小学科技论文范文大全初中英语必修二

小学科技论文范文大全初中英语必修二

1、写人的， When I sat at the desk， trying to write the essay， I found it hard to set pen to Staring at the topic I deliberately chose for myself "my mother"， I felt the memory of 20 years with my mother suddenly turned into a haze， blurring my eyes to discern the past， with nothing towering， nothing flaring， nothing impressive or special enough as a The haze gradually cleared away， revealing the image of an amicable I recalled a line from the famous movie "Sleepless in Seattle" The radio column hostess asked Sam， "What's so special about your wife？" He answered， "That's millions of small " Right，trivial and commonplace， like obscure beans， yet woven into the most spectacular necklace by the power of My mother is ordinary， but in my eyes she is My mother gave birth to me with exceptionally difficult Father received an emergency notice and was faced with a choice between the adult and the Of course，the So my coming into this world was an unexpected fortune at the price of Mother's painful Thus my 20 years began like this my mother exerted every effort to give me love， but I returned her with a deep scar that was to stay with her all through my My mother is a senior high school English Under standably， she wanted her daughter to pick up English early to give her an edge to later study， which I did not understand at the age of I was so obsessed with fun and games that I hated to stay peacefully with all those strange phonetic symbols and odd I wondered what pleasure Mother seemed to have found in teaching me A，B， C Wasn't teaching at school tire some enough for her？ I went on strike， refusing to spell a single word no matter how tender or severe Mother tried to be with For the first time in my life， Mother beat me， imprinting on my The physical pain was gone long， long But I have finally come to understand how it pained my mother to beat me for my obstinacy and disobedience， and I ache at her Mother never gave up evoking in me an interest in She placed the most emphasis on my education and took the most pleasure in my gradual formation of self-discipline in preparing myself for future Thanks to her effort and influence， I have been doing well， not only in English， but also in my positive attitudes and conviction towards 啤酒主义者 回答采纳率:6% 2008-10-14 22:32 A DreamMary: I’m now in the I can’t believe it! It’s so beautiful! What a colorful fish! It’s so lovely! Little fish， don’t go away! Oh， here comes a blue Wow， it’s so big! It’s bigger than my Oh no! There is a shark! Help! Help!Helen: What’s the matter， Mary?Mary: I saw a Its teeth are so big!Helen: Oh， it must be a Mary: …Yes， it’s a 赫锢蔽寡霓 回答采纳率:0% 2008-10-18 03:21

The development of science and technology makes our life more comfortable and However， scientists have created many problems， which are not easy to be resolved， such as air pollution， the deterioration of environment and the scarcity of natural resources， to which we must some Modern science and technology render people many Modern telecommunication shortens the distance between people and makes communication much Internet is widely used now not only for collection of abundant information but also for Email， the most effective communication device now， is becoming very Besides， telephone and mobile phone make contact more convenient than Modern transportation， such as airplanes and high-speed trains make our journey smooth and With the help of modern transportation， people can go everywhere they prefer The journey to outer space and other planets is not a dream any Rockets and space shuttles can help us realize the dream of space Modern medicine prolongs peoples life and relieves patients of sufferings from many Cancer and AIDS are fatal to peoples Thanks to the endeavors scientists have made， these diseases become However， the process of scientific development also arouses many sever problems to our human Internet， though widely used in modern communication， is easy to be destroyed by computer Outer space exploration has produced much waste in the A tiny metal， a screw， for example can destroy a flying man-made Industrialization is making natural resources become Confronted with these problems， scientists are seeking prompt and feasible The development of science and technology bring about both positive and negative effects to We must eliminate the positive effects to the least 可以自己删减 在提供一篇翻译的：现代科技使生活更加便捷(Modern Technology Makes Life More Convenient) Modern technology makes life more convenient; tools are the milestores of the technology as well as human being’ s Men used to cut trees with hand But now， by using electronic saw they can cut down a tree in only a few Another example is more vivid: You have something urgent which has to be informed to your friend whose house is two hour’s ride You probably want to make a phone But no telephone is installed in your friend’ s What could you do? Nowadays， with modern technology advanting， using internet is popular with Some years ago， people had to get what they wanted through looking into a lot of information; at last people could become tired and spent too much Now， if you use Internet， all becomes a piece of Only by clucking， you will gain what you We all hope that modern technology will reach a higher level， because modern technology makes life more convenient [参考译文] 现代科技使生活更加便捷 现代科技使生活更加便捷；工具是科技进步和人类进步的里程碑。人类过去用手锯锯树，但是现在，用电锯可在几分钟内锯倒一棵树。另外一个例子更加生动形象：如果你有急事通知你的朋友，而他家距你家有2小时的路程，你可能想打个电话。但是你的朋友家又没安电话，你该怎么办?如今，随着现代科技的进步，使用网络已很流行。若干年前，人们不得不查找大量资料来搜集需要的信息，最后人累得疲惫不堪，还浪费了大量时间。现在，如果使用网络，一切就都是小菜一碟了。只要轻敲键盘，就会有求必应。 我们都期待着现代科技能达到一个更高的水平，因为现代科技确实使生活变得更便捷。21st century is the century of Nowadays， technology is everywhere around The development of technology has a significant affact toward the Several technologies that we usually use are the internet， computer， and These new technologies make our life much easier and First， the development of computer changes our Decades ago， people needed to do lots of complex calculation on hand because they did not have computer， and more obvious， they did not have the software for As the result of that， people spent hours on the equations that a computer can solve in just a Since the development of computer， people are able to use some kind of software to compute lots of complex functions and mathematical Computer becomes the most helpful equipment for the sciencists because they can use their time more Also， internet is another useful tool for us The development of internet brings a great impact toward the Instead of going to library and fliping all the books to figure out some information， we can just simply use a mouse and click on the website to do The internet leads us to a place where we can find unlimited information and It makes our life much easier and The last technology is Nowadays， many people have a But it just appears on the market for about 10 It is very convenience to the users because we can talk to anyone we want with a phone as small as a Also， we can communicate with others by making a phone call instead of sending It is very fast and useful way to In conclusion， I believe the development of technology brings significant impact to our It is very helpful to us and I believe technology will keep improving in 高分范文As is vividly depicted by the picture above， a traveler happily starts his journey by high-speed railway from Guangzhou to W In the year of 2009， Wuhan-Guangzhou high-speed railway went into operation， reducing travelling time from 12 hours to 3 hours， bringing much convenience to the transportation between the two cities① No wonder the caption in the picture says “with the Wu-Guang high-speed railway， cities far away is just like a place nearby”。Science and technology are the primary productive forces② and have been playing a key role in the national economy On the one hand， progress in science and technology has promoted economic and social progress Take the high-speed railway as an Firstly， the railway becomes a new engine③ of booming of regional Secondly， the railway helps to attract a lot of tourists， so that tourism in these cities Last but not the least， the load of the existing transportation network can be released to a great On the other hand， with the development of science and technology， such as the operation of high-speed transportation， video phone， webcam meeting， the world has become smaller and smaller。It has long been a tradition for Chinese government to attach great importance to the advances④ in science and Science and technology has successfully shaped an entirely new image of China on global stage via the two grand world events， 2008 Olympic Games and 2010 Shanghai World E It is strongly advised that young people should devote themselves into the study of science and technology for “better city， better life”。佳作妙译如上图所示，一位旅客从广州踏上了去往武汉的高速铁路。2009年，武广高铁正式建成通车，将两地之间的行程从12小时缩短到3小时，极大地方便了两地的交通。难怪这幅漫画上写道“有了武广高铁，每个城市都在家门口”。科技是第一生产力，在国民经济发展中扮演着重要角色。一方面，科技的进步促进了经济社会的快速进步。高速铁路就是鲜活的例子。首先这条铁路成为地区经济发展新的引擎。其次铁路吸引了大量游客，这些城市的旅游业随之繁荣起来。再次这条铁路很大程度上缓解了现有线路的运输压力。另一方面，随着科技的发展，高速铁路，视频电话，视频会议等应用会越来越多，世界将变得越来越小。中国政府一直很重视科技的发展，通过2008北京奥运会和2010上海世博两件盛事，科技成功地重塑了中国在世界舞台上的国际形象。因此青少年要怀着“城市，让生活更美好”的信念，积极投身到对科技文化知识的学习上。

When my father was young， he practiced Chinese calligraphy every day and enjoyed Peking Opera with my grandfather on Now as his daughter， I type in English when communicating with my friends and enjoy surfing on the Internet during When I enjoy the pleasure and convenience that new technologies have brought me， some people cry out that as technology develops traditional cultures must be Is it true that we cannot have both? Different as my lifestyle is from that of my father， I still believe that the development of technology won＇t lead to the loss of On the contrary， it will facilitate the development of traditional Some people draw the conclusion that technology leads to the loss of tradition because they find nowadays many people，especially the young， take interest in new things like the Internet， thus make less contact with traditional However，decreased popularity isn＇t equal to With the development of technology， we have more choices of arts and In other words， many new forms of culture are coming into existence， which provide people with more choices rather than threaten the existence of the traditional In actuality， if we look at the tradition itself， we can find that great achievements have been made in many fields with the development of New operas are on show; new researches about history are going on; new facts about historical cities have been found; all of which can prove that technology can stay peacefully with In fact， technology works far beyond The development of technology boosts that of the On one hand，new technologies make the research for traditional cultures possible as well as provide advanced techniques of reserving historic Take calligraphy as an example， new ways of illumination， which is the fruit of Hi-tech， can prevent the color of scripts from On the other hand， the rapidly developing media such as the Internet and communication satellite provide traditional cultures with a stage to face the whole As we can see， after the short piece of ad of Shanghai E ， more people will know the beautiful melody of "J"In addition， if we look back to history， we can find out that it was always in the era when economy developed greatly that cultures prospered the No doubt that the development of technology can guarantee that of economy， which eventually influences the prosperity of As we all see， the development of technology brings us richness， making the research and development of cultures affordable brings us more leisure time， making our desire to enjoy ntertainments After all， as the great philosopher Marx aid， "economy determine

吗你呢女孩非常飞过海金华家门口看金华不能个 一天骨化风成就回复的人更好的道德的要大得多的长途费用飞天关系的人通常官方的人痛风vsrtfgby 让他想到

小学科技论文范文大全初中英语必修二电子版

第一篇Hi，I’m I'm 13 years old and I study in xxx Middle S My school is Every morning I get up at seven and have And then I go to school at half past Lessons begin at eight o’ We have four lessons in the morning and Chinese is my favourite We usually have 10 minute's break between two lessons and at about 12 o'clock we finish our morning I have lunch at school at twelve I like school lunch and I always have rice with meat and After lunch I often talk with my friends or play basketball with In the afternoon lessons start at half past one and finish at four o’ I play games after school with my friends and then go home at half past In the evening I do my homework and then watch TV At ten o’clock I go to It’s really a busy day but I like 第二篇 As we can see， the world population is growing rapidly day by So enough fresh water is needed to feed such a big What's more， with the development of industry， factories and vehicles produce poisonous gases or wastes， which consequently results in the pollution of Though fresh， a good amount of it can no longer be Only quite limited fresh water resource is available to human So it's high time for us human beings to take quick action to protect water Stop pollution and save water， otherwise， we cannot survive on the With fresh water， the world will be prosperous第三篇 保护水资源： As we can see， the world population is growing rapidly day by So enough fresh water is needed to feed such a big What's more， with the development of industry， factories and vehicles produce poisonous gases or wastes， which consequently results in the pollution of Though fresh， a good amount of it can no longer be Only quite limited fresh water resource is available to human So it's high time for us human beings to take quick action to protect water Stop pollution and save water， otherwise， we cannot survive on the With fresh water， the world will be 翻译如下：正如大家看到世界人口增长迅速日。 给这类大的人口需要有足够的淡水。 怎么还有与工业事务局研究工厂和车辆产生有毒气体或，因此导致污染的水的废物。 虽然新鲜的可以不再使用好的量。 只有很有限的新鲜水资源可供人类。 因此，它是我们人类采取快速行动，保护水资源的时候了。 停止污染和保存水，否则，我们不能生存在地球上。 新鲜的水世界将会繁荣。改革开放：It has been thirty years since China started reform and began a policy of opening up China to the outside This has resulted in great changes taking place in various With the nine-year compulsory education(九年制义务教育) program，all children have the chance to be In the past 30 years，China has made great progress in science and In 2003，China launched its first manned spaceship and fulfilled its first space walk in As economy is developing fast，people's living conditions have greatly In addition，there have also been great changes in The 29th Olympics were successfully hosted in Beijing and Chinese athletes won the most gold I'm really proud of the great achievements in the past 30 It is the leadership of the Communist Party and the great efforts of us Chinese people that made all these Nowadays，people are working hard towards a more advanced and harmonious I'm sure China will have a brighter future and Chinese people will live a happier 第四篇保护水资源： As we can see， the world population is growing rapidly day by So enough fresh water is needed to feed such a big What's more， with the development of industry， factories and vehicles produce poisonous gases or wastes， which consequently results in the pollution of Though fresh， a good amount of it can no longer be Only quite limited fresh water resource is available to human So it's high time for us human beings to take quick action to protect water Stop pollution and save water， otherwise， we cannot survive on the With fresh water， the world will be 翻译如下：正如大家看到世界人口增长迅速日。 给这类大的人口需要有足够的淡水。 怎么还有与工业事务局研究工厂和车辆产生有毒气体或，因此导致污染的水的废物。 虽然新鲜的可以不再使用好的量。 只有很有限的新鲜水资源可供人类。 因此，它是我们人类采取快速行动，保护水资源的时候了。 停止污染和保存水，否则，我们不能生存在地球上。 新鲜的水世界将会繁荣。改革开放：It has been thirty years since China started reform and began a policy of opening up China to the outside This has resulted in great changes taking place in various With the nine-year compulsory education(九年制义务教育) program，all children have the chance to be In the past 30 years，China has made great progress in science and In 2003，China launched its first manned spaceship and fulfilled its first space walk in As economy is developing fast，people's living conditions have greatly In addition，there have also been great changes in The 29th Olympics were successfully hosted in Beijing and Chinese athletes won the most gold I'm really proud of the great achievements in the past 30 It is the leadership of the Communist Party and the great efforts of us Chinese people that made all these Nowadays，people are working hard towards a more advanced and harmonious I'm sure China will have a brighter future and Chinese people will live a happier 翻译如下：这是三十年以来中国开始改革与开始的外部 This 中国开放政策，导致在各个领域发生的巨大变化。 于九年强制 education(九年制义务教育) 程序所有孩子都有机会被 In 在 30 年中国已取得很大进展科技 In 2003、 中国推出其第一次的载人的飞船和完成首次空间行走在 As 经济发展迅速、 人民生活条件大大改善。 此外，也有很大的变化在 The 29 奥运成功承载在北京和中国运动员赢得最大的金牌。 我的确感到自豪的丰功伟绩在过去的 30 It 是共产党的领导和我们中国人作出所有这些 Nowadays，people 正在努力向更先进，和谐 I 确信中国将会有一个光明的前景和中国人民将过幸福生活的努力。电脑利弊：The main disadvantages are: some of the young people are too obsessed with the network control poor， it will trap into the Relevant data show that young people indulge in network performance is more than 89 percent Online games will have a strong young vanity has led to some young people have an unhealthy psychological， severely hampered the normal development of young There are fighting games so that some young people think that real life can be like a virtual network of the world as ruled by the law of the jungle to the world today， leading toward the path of Play the role of those villains， so that boys like girls change， but it's like boys The trap of the second network， some people because of social discontent， the network's own desire to radiation， leading to others on the network by fraud， deceived many examples， list goes Many benefits， save time and effort before the provincial lesson entirely on hand-written， time-consuming and laborious， much more will have to Preparation of a computer is now "semi-automatic"， and the school to teach all the prior knowledge input into the computer， after layout， modify， save， and finally print it out; the same can also copy the Computer is time-saving， labor-saving good helper， it gives me more time to study materials， the design of better teaching 第五篇I like badminton and basketball，basketball is my favourite sport，I like basketball I always wear a T-shirt，shorts and runners to play I can throw the basketball in the net， I think it is easy， but someone think it is hard， I can catch the basketball， On Sundays，I am a bbasketball I like to watch basketball game on TV， Yao Ming is my favourite basketball player， I want to be a real basketball player 第六篇Hello everyone !DO you like sports? Let me tell you whate my favorite sport Well I like tennis Becase of playing tennis makes me be healthy and You can run on the playgrond and enjoy it every So I really like playing tennis very mnch! 第七篇a meaningfull activity Last month I went to the hometown with my family，We decided to swim in the river where my father often swim when he was But when we got there，there was only a dirty river，so we thought we got to a wrong But there was a old man，he said:"Here is a place where you want to go"He look so sad when he said Then he said:"Two years ago，here was really a beutifu place，but one day，many visitors come here and threw rubbish The river be dirty and dirty，and it look like this now"When I heard this，I think we should protect our It was really a meaningful activity第八篇Our school has now started an activity called “Build Civilized Classes and a Harmonious C” The topic is “ Get Rid of Bad Habits and Greet Civilization” Bad habits do Some students throw rubbish everywhere or spit in Some wear long Others are even addicted to smoking and We require that the students break away from these bad We urge the students to wear their school uniform and be polite to During the activity， we’ll hold a picture show， a competition of classroom and dormitory decorations and so We all hope that we’ll build each class into a civilized one and our campus into a harmonious 第九篇My Birthday PartyIt’s J Today I am16 years I am going to have a party at home and I am waiting for all my friends to They are going to bring?lots of beautiful presents with My parents are preparing a lot of nice things to eat and At the party we are going to play games， sing songs， dance and listen to I think we will have a good

题目 内容摘要 关键词 作者名字，地址，邮政编码 正文 参考文献 其他

星期天早上，我打开冰箱拿鸡蛋，准备煎一个荷包蛋。我猛地一拉，发现横卧的几只鸡蛋经不住猛烈的摇晃，流出了鲜艳的蛋黄和透明的蛋液。而竖卧的鸡蛋却完好无损。这是为什么呢？我跑去问正在看报纸的爸爸，爸爸说：“你自己做个实验就明白了。是这样做的……”我为了探个究竟，照爸爸说的做了一个小实验：我拿了一大团橡皮泥，分成四小团。上面竖直放上四只鸡蛋和一块木板，再放上《新华字典》和《小学生作文》两本书。让我惊讶的是，结果鸡蛋毫发未损！我想如果鸡蛋是横放又是什么结果呢？动脑不如动手，我就在橡皮泥上横放了四只鸡蛋。哎！让我没想到的是：刚放上一本《新华字典》，鸡蛋就四分五裂了！是不是这几只鸡蛋的壳刚好是薄的呢？不如换别的蛋试试看！但结果还是一样。我再想：一边放竖的蛋，一边放横的蛋，在横放的鸡蛋下垫点橡皮泥，让这两只鸡蛋一样高，结果又是怎么样呢？我又做了个小实验，结果放上一只铅笔盒，原封不动，又放上一只瓷盘，横放的鸡蛋“啪”地一声就碎了。这是为什么呢？我仔细思考：这蛋是不是都是两端壳硬，中间壳软呢？我这想法是对还是错呢？如果是对的，为什么是两端壳硬、中间壳软呢……我一下子想出了好多问题。后来，我翻翻科学书，查了查资料，又问了问老师，得出了一个结论：我的想法是错的。正确的答案应该是：把鸡蛋横放，一压就破了，如果把它竖起来，就不易破，这说明同样的材料的强度大小，决定于形状的不同。这就像拱桥和平桥，两者所能承受的重量就不同，拱桥能承受更大的重量。 经过做这个实验，我养成了遇见问题就要仔细思考，争取弄懂的好习惯。

吗你呢女孩非常飞过海金华家门口看金华不能个 一天骨化风成就回复的人更好的道德的要大得多的长途费用飞天关系的人通常官方的人痛风vsrtfgby 让他想到

小学科技论文范文大全初中英语必修二第一单元

写作思路：根据为科技主题，以为发展基调来展开描写，紧扣叙述与描写的内容，力求做到不突兀、不生硬，不长篇大论或肆意抒情，有情真意切之感。范文：It can be expected that there will be a breakthrough in life sceience and space science in the 21st century First， scientists will conquer incurable diseases through the transformation of genes可以预见，21世纪生命科学和空间科学将取得突破性进展。首先，科学家将通过基因转化来战胜不治之症。With the same technology they can breed new species of animals and even human life in the laboratory Most important of all， they can decelerate aging and prolong life用同样的技术，他们可以在实验室培育出新的动物物种，甚至人类的生命。最重要的是，它们能延缓衰老，延长寿命。Besides， permanent stations will be set up in the moon or other planets or stars so that scientists can make a thorough study of the moon and other planets or star此外，还将在月球或其他行星或恒星上建立永久观测站，以便科学家对月球和其他行星或恒星进行深入研究。扩展资料英语想写好作文，必须具备扎实的基本功，作文的基本功主要体现在词、句、段三个方面。单词方面，积累单词，扩大词汇量，弄清词的确切用法及相似词的用法区别，以及很多固定短语、习语的用法，要准确地表达想要表达的意思。句子方面，注意一些常用的句式，平时看到比较好用的句式要记下来，多模仿，还要在写文章时注意长短句的结合。段落方面，注意整篇文章的整体布局，要从整体上把握每段的中心思想，避免偏题、走题。提高写作水平不是一朝一夕所能完成的，最重要的是养成好的学习习惯，平时注意多积累，勤动笔、多思考，潜移默化中写作水平便会不断提高。

Nowadays， technology is everywhere around The development of technology has a significant affact toward the Several technologies that we usually use are the internet， computer， and These new technologies make our life much easier and First， the development of computer changes our Decades ago， people needed to do lots of complex calculation on hand because they did not have computer， and more obvious， they did not have the software for As the result of that， people spent hours on the equations that a computer can solve in just a Since the development of computer， people are able to use some kind of software to compute lots of complex functions and mathematical Computer becomes the most helpful equipment for the sciencists because they can use their time more In conclusion， I believe the development of technology brings significant impact to our It is very helpful to us and I believe technology will keep improving in

写作思路：从文章的写作目的、中心主旨入手，以使文章中心思想鲜明、深刻地表现出来，正文：Modern technology makes life more convenient; Tools are milestones of scientific and technological progress and human Man used to saw trees with a hand saw， but now， a tree can be sawed down in a few minutes with a 现代科技使生活更加便捷；工具是科技进步和人类进步的里程碑。人类过去用手锯锯树，但是现在，用电锯可在几分钟内锯倒一棵树。Another example is more vivid: if you have something urgent to inform your friend， and his home is 2 hours away from your home， you may want to make a phone But there is no telephone in your friend's What should you do?另外一个例子更加生动形象：如果你有急事通知你的朋友，而他家距你家有2小时的路程，你可能想打个电话。但是你的朋友家又没安电话，你该怎么办？Nowadays， with the progress of modern science and technology， the use of internet has become very A few years ago， people had to search for a large amount of data to collect the required information， and finally they were exhausted and wasted a lot of  Now， if you use the internet， everything will be a piece of As long as you tap the keyboard， you will be 如今，随着现代科技的进步，使用网络已很流行。若干年前，人们不得不查找大量资料来搜集需要的信息，最后人累得疲惫不堪，还浪费了大量时间。现在，如果使用网络，一切就都是小菜一碟了。只要轻敲键盘，就会有求必应。We all expect modern science and technology to reach a higher level， because modern science and technology really makes life more 我们都期待着现代科技能达到一个更高的水平，因为现代科技确实使生活变得更便捷。

范文1：树干为什么是圆的 在观察大自然的过程中我偶然发现，树干的形态都近似圆的——空圆锥状。树干为什么是圆锥状的?圆锥状树干有哪些好处?为了探索这些问题，我进行了更深入的观察、分析研究。 在辅导老师的帮助下，我查阅了有关资料，了解到植物的茎有支持植物体、运输水分和其他养分的作用。树木的茎主要由维管束构成。茎的支持作用主要由木质部木纤维承担，虽然木本植物的茎会逐年加粗，但是在一定时间范围内，茎的木纤维数量是一定的，也就是树木茎的横截面面积一定。接着，我们围绕树干横截面面积一定，假设树干横截面长成不同形状，设计试验，探索树干呈圆锥状的原因和优点。 经过实验，我们发现：(1)横截面积和长度一定时，三棱柱状物体纵向支持力最大，横向承受力最小；圆柱状物体纵向支持力不如三棱柱状物体，但横向承受力最大；(2)等质量不同形状的树干，矮个圆锥体形树干承受风力最大；(3)风是一种自然现象，影响着树木横截面的形状和树木生长的高矮。近似圆锥状的树干，重心低，加上庞大根系和大地连在一起，重心降得更低，稳度更大；(4)树干横截面呈圆形，可以减少损伤，具有更强的机械强度，能经受住风的袭击。同时，受风力的影响，树干各处的弯曲程度相似，不管风力来自哪个方向，树干承受的阻力大小相似，树干不易受到破坏。 以上的实验反映了自然规律、自然界给我们启示：(1)横截面呈三角形的柱状物体，具有最大纵向支持力，其形态可用于建筑方面，例如角钢等；(2)横截面是圆形的圆状物体，具有最大的横向承受力，类似形态的建筑材料随处可见，如电视塔、电线杆等。 在我的观察、试验和分析过程中，逐渐解释、揭示了树干呈圆锥状的奥秘，增长了知识，把学到的知识联系实际加以应用，既巩固了学到的知识，又提高了学习的兴趣，还初步学会了科学观察和分析方法。范文2：皮鞋为什么越擦越亮每到星期天，我总要完成妈妈交给我的擦鞋任务。告诉你，这可是我一星期零花钱的来源哦!拿到沾满灰尘的皮鞋后，我先把鞋面的灰尘擦掉，然后涂上鞋油，仔仔细细地擦一擦，皮鞋就会变得又亮又好看了。可这是为什么呢 我找了同样牌子同样款式的新旧两双皮鞋进行对比观察。我先用手触摸两双皮鞋的鞋面，发现新皮鞋的表面比旧皮鞋的表面光滑得多。旧皮鞋涂上鞋油，仔细擦过后，虽然亮了许多，但仍无法与新皮鞋相比。皮鞋的亮度是否与鞋面的光滑程度有关呢? 我取来一双没擦过的旧皮鞋，在放大镜下鞋面显得凹凸不平的。然后，我再在皮鞋上圈出两块表面都比较粗造的A区和B区，A区涂上鞋油并仔细擦拭，B区不涂鞋油作空白对照。我发现A区擦拭后，表面明显变光滑了许多，而且放在阳光下也比B区有光泽。为什么两者会产生这样的差别呢? 我想到在物理课上老师曾经讲过：影剧院墙壁的表面是凹凸不平的，这样可以使声音大部分被吸收掉，让观众不受回声的干扰。同样道理，光线照到任何物体的表面都会产生反射，假如这个平面是高低不平的，光线就会向四面八方散射掉；假如这个平面是光滑的，那么我们就可以在一定的方向上看到反射光。 皮鞋的表面原来就不是绝对的光滑，如果是旧皮鞋，它的表面当然更加的不平，这样它就不能使光线在一定的方向上产生反射，所以看上去没有什么光泽。而鞋油中有一些小颗粒，擦鞋的时候这些小颗粒正好可以填入皮鞋表面的凹坑中。如果再用布擦一擦，让鞋油涂得更均匀些，就会使皮鞋的表面变得光滑、平整，反射光线的能力也加强了。 通过实验，我终于知道了皮鞋越擦越亮的秘密啦!范文3：醋对花卉有什么影响醋是生活中常用的调味品，花卉则能净化生态环境，并美化我们的生活。 你是否想到过，醋和花卉有什么关系呢?我们怀着好奇心，开展了这个课题的探究。据富有种花经验的人告诉我们，对盆栽花卉施些醋溶液，可改善盆花的生长，增加花朵，而且花艳叶茂。这一点我们在实验中很快就证实了。 浓度不同的醋溶液，对花卉有不同的影响吗?这是我们第二阶段的实验。我们选取长势相同的满天星、报春花、月亮花各四盆，分为四组，每组（三盆）各有三种花卉，分别编号、贴上标签。同时，我们取食用白醋配制成1％（pH值为2~3）、0．01％（pH值≈4）、0．0001％(pH值≈6)三种浓度不同的溶液，每天分别给三组盆花固定喷洒一种醋液，第四组盆花洒不含醋的清水。每五天观察记录花卉的生长情况。 这项实验的结果是：喷洒低浓度醋液(pH值≈6)对这几种花卉没有明显影响；喷洒中等浓度醋液（pH值≈4）的花卉明显长得比其他几组好，花苞多，开花期提前，而且花色较浓艳，花期也延长了；喷洒pH值2－3的高浓度醋液后，反而使花朵过早凋萎。 通过这次实验，我们可以告诉你：种花时适当喷洒一些醋液，可使花卉长得更好。不过要掌握好醋液的浓度，醋酸过浓则会伤害花卉。

小学科技论文题目大全高中英语必修二

中国大学英语教学环境中以内容为依托的外语教学模式研究大学英语教学改革的文化哲学研究中国英语教学中的文化教学：问题与对策跨文化交际法中国英语教学模式探析母语正负迁移在英语教学中的应用大学英语口语考试对大学英语教学的反拨作用网络环境下城市高中英语阅读教学模式研究网络条件下英语教学模式的构建高中英语中的文化教学

As human enters a age of information The advantages and disadvantages becomes increasingly The advantages are that internet made life much more convenient and People can shop， read， learn， interact and a whole lot more from their computer It draws the world closer and makes lifes There are also On the internet， everyone is invisisble， this makes online fraud and identitity theft increasingly popular and Also， on the internet， almost everyone can post or edit information， which means information on the web are not always Therefore， as we become more and more relient on the internt， it' ;s advantages and disadvantages should not be

小学教学研究论文范文大全初中英语必修二

古典文学常见论文一词，谓交谈辞章或交流思想。当代，论文常用来指进行科学研究和描述科研成果的文章，简称之为论文。它既是探讨问题进行科学研究的一种手段，又是描述科研成果进行学术交流的一种工具。它包括学年论文、毕业论文、学位论文、科技论文、成果论文等，总称为论文。论文一般由 题名、 作者、 摘要、 关键词、 正文、 参考文献和附录等部分组成，其中部分组成（例如 附录）可有可无。论文题目要求准确、简练、醒目、新颖。目录目录是论文中主要段落的简表。（短篇论文不必列目录）内容提要是 文章主要内容的摘录，要求短、精、完整。1、先确立一个论点。全文围绕这一论点展开论证。对“开卷有益”这种说法，既不能全盘否定，写驳论文；也不宜全盘肯定，写成立论文。因为这种说法既有它正确的一面。又有它不够全面的地方，所以对这个看法要采取“一分为二”的方法进行分析，肯定其有益的一面，否定其有害的一面，从中总结出正确的论点来。只有这样才能对这一说法作出合乎事实的评价，最终达到以理服人的目的。2、运用“一分为二”的方法进行分析，要防止出这样一个毛病：自相矛盾。一会儿说开卷有益，一会儿说开卷有害，令人不知所云。为了避免这种现象，文章中还要将二者的联系点明，才算把道理真正说透。3、从论证方法看，如果所读的书是坏书，则开卷未必有益，这里可以采取例证法，并辅之以引证法和喻证法，用前几年社会上黄书泛滥成灾毒害青少年作为事实论据，用名人名言作为理论论据，充分论证黄书的害处和读好书的益处。在此基础上，再把这两者辩正地统一起来。说明我们中学生既要多读书，又要慎重地加以选择、读好书。这样从正反两方面进行论证，就将问题说得比较全面而深刻，文章也就具有了不可辩驳的逻辑力量。导思：这是一篇给材料作文。该题虽然规定了作文题目，但仍给学生思维留下了很大的空间，从文体来看，写议论文是最好的选择。学生可以从是非观、处世态度、治学精神等方面谈自己的看法，阐述自己的见解和主张。要写好议论文，必须做好以下三点：1、确定论点。根据命题提供的材料，可从不同角度提炼出诸多观点，但短短600字的文章不可能面面俱到。因此，一定要选准一个论点充分论证。2、选好论据。论据能起到充分证明论点的作用，论据选择要遵循两个原则：①真实确凿，不能有虚假成分；②具有典型性，有说服力，才能发挥更大的作用。3、组织好论证结构。最常用的结构一般为“提出问题（引论）——分析问题（本论）——解决问题（结论）”。

【如何激发小学生学习英语的兴趣】范文兴趣是一个人力求接触、认识、掌握某种事物和参与活动的心理倾向。举世闻名的科学家爱因斯坦说过："兴趣是最好的老师。"有研究表明："小学阶段正是情感性学习形成的关键时期。"这阶段儿童的学习活动带有很大程度的情绪化倾向，当儿童对学习有浓厚的兴趣时，不仅能产生情感迁移，而且会使注意力特别集中和持久。因此，教师要注意培养小学生学习英语的兴趣，养成学习英语的良好习惯。一、多用激励性语言，提高小学生学习兴趣"人性最深切的本质是被人赏识的渴望。"基于这种渴望， 人总是喜欢表扬和鼓励， 它总会激起愉悦的情感体验， 令表扬者信心十足， 这一点在小学生身上表现得尤为突出。因为小学生还缺少对自己行为的分析、判断能力， 他们主要依赖于成人的评价来指导、控制自己的行为， 所以无论学生回答是否完美、完整， 只要他开口说， 就要予以鼓励。You'regreat！ Very good！ Good job！ 诸如此类的激励性语言， 使学生既敢说， 又体验到被赏识的快乐。二、教学与游戏相结合，提高小学生学习英语的兴趣俗话说兴趣是最好的老师。"玩中有学、学中有玩"。爱玩是孩子的本性，游戏是最感兴趣的。特别小学三年级英语教育是一种启蒙，要把重点放在学习英语的兴趣上，如果他们对英语感兴趣，他在学习的过程中就会表现出一种积极的情绪，孩子会主动融入到活动中。反之，如果只是追求单词句子数量的多少，那会倒了孩子的胃口，孩子会处于一种消极状态。因此，我们在设计教学活动时要游戏化，注意让孩子在各种游戏中慢慢学习英语单词。首先把要掌握的单词以图片、头饰、动作等各种不同形式展现给学生，实行整体定量输入，根据不同孩子的记忆特点，他们会或多或少记住不同的单词。在玩中学，学中用使他们的学习兴趣提高，巩固所学的语言形式，激发他们的成就感。在游戏中通过多听、反复感觉，从而在脑海里的印象就加深了，这样不仅可以让孩子尽情投入到游戏中，同时还给孩子一个轻松和谐的语言环境，使得课堂充满活力。三． 设计形式多变的课外作业让学生喜欢的、乐意完成的课外作业，不仅能巩固学生所学的知识，还能增强学生学习英语的兴趣。教师可设计出形式多变的课外作业，让学生在作业中玩耍，在作业中学习，甚至在作业中培养创新能力。根据不同年级、不同能力的学生，我设计了几种课外作业。三年级的学生刚刚接触英语，天性好奇的他们兴趣很浓，积极性很高，学会了几个单词就很得意地向家长、小伙伴炫耀。抓住他们的这种心理特点，我布置的课外作业是把你今天学会的单词合格去回家说、唱给你的家长及好朋友听，第二天告诉我你的家长和好朋友是怎样表扬你的；四五年级的学生有了一定的英语基础，我布置的课外作业是录下你读的最好的课文和唱的最好的歌曲，在班上公开评比出录制效果最棒的学生。这两种课外作业都能让学生觉得自己挺棒的，有一种成就感。苏霍姆林斯基说："成功的欢乐是一种巨大的精神力量，它可以促进儿童好好学习的愿望。"这种成就感一方面是学生认真学习后获得的丰厚回报，另一方面也为下一步的学习打下了兴趣的基础。四．设计和开展多种难易适度的课外活动苏霍姆林斯基说过："兴趣的源泉在于运用。"为了增强学生学习英语的兴趣，给学生更多的运用英语进行交际的机会，我们还可以设计和组织多种难易适度的课外活动。通过活动可以让学生把所学知识运用于实际，使学生认识了自我，取得了不同程度的成就感，增强其自信心，增添了学习英语的兴趣和乐趣，变"要我学"为"我要学"，进而长久保持其对英语学习的兴趣。托尔斯泰说："成功的教学所需要的不是强制而是激发学生的兴趣"。"兴趣是最好的老师"。愿孩子们学习英语的兴趣之花在小学英语课堂上更加美丽的绽放。

如何在英语教学中培养学生的学习兴趣？ 对于这个问题，首先我们得搞清楚“兴趣”是什么？字面的意思每个人都明白，但是，上升到内在的实质是什么呢？是以搞懂为前提！只有学的懂，会展示才会上升为兴趣。因此，要培养学生的英语学习兴趣，就要围绕学生是否搞懂为前提，怎样教才能让学生搞懂呢？ 方法一定要正确，英语三大块：语音、语法、词汇，也是英语学习的三大基石。而语音则是英语基础的基础，一个语音不全面的学生，绝对不会有比较好的兴趣：如果学生听不懂，就会导致说不准，而说的不准，结果就会导致不敢开口，不开口的英语自然只能死记硬背，其结果是前记后忘，如何会产生兴趣呢！为此，如果教学首先围绕语音这一基本功做强化训练，做到一听就懂、脱口而出，看见生词能读、听到生词也能写，有了这种基本能力，才有希望帮助学生打下扎实的基础。 解决了听说，学习自然轻松，说的标准，就愿意自我展示，兴趣自然就激发出来。因此，笔者认为，扎实的基本功才是真正解决学生兴趣的根本动力。魅神外语徐赞国