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有关科技发展的论文题目大全初中英语

发布时间:2024-07-05 11:06:28

有关科技发展的论文题目大全初中英语

题:As people rely more and more ontechnology to solve problems, the ability of humans to think for themselveswill surely 这是之前练GRE的ISSUE的一篇文章……都记不得是什么时候写的了,也许有直接用别人的段子的地方……仅供参考吧……Will the ability of human to thinkdeteriorate as a result of reliance on modern technology? The author The more we human beings depend on the high technology which provides uswith convenience and efficiency, the more possible we will too lazy to think onour However, he fails to fully evaluate this And for one thing, theability to think and use of technology are not mutually In fact, thedevelopment of technology makes more possibilities and more space for humanmind to think and I concede that sometimes technology doesimpair the ability to, for example, compute, as we have calculators andcomputers to do those tedious jobs for And because of the GPS, we do not need to remember theroads home and do not have to think about which route will be shorter And sometimes, when we have trouble or, the first thing come up with isnot to find the answer by thinking, but to click the keyboard and just At the same time, the development oftechnology also provides us with new problems and challenges never And the most compelling example will be In China, there is an ancient mythcalled Changebenyue, a story in which a women named Change eat a kind ofmedicine and then flied to the For ancient Chinese, it is a dream thatthought to be never As a result, no one ever think about how to makeit come However, with the development of astronomy, scientists areintrigued by the outer space, and by years of research and hard work, human arefinally able to fly to the The success of reaching the outerspace raises more attention from all over the world, even themigration to the Mars seems more In order to fulfill these tasks,scientists are working on a lot of problems such as discovering more efficientfuel, lighter materials, and a way to cut down the cost which will make thespace ship affordable for common And after Henry Ford made cars in arevolutionary way, the production line, tones of cars sold every year in the As cars become ubiquitous, theproblems The shortage of As the price of gasoline rises every year, the need to find alternative energy is Nuclear energy, and solar energy cars are under When it comes to alternative energy,nuclear energy must be one of the most potential nuclear energy is infinite。 Yet, it can sometimes turn to ahorrible In addition, the efficiency whichtechnology provides can give us more time to think and focus on those reallymatters rather than And there are numerous examples to In sum, the ability to think will not bedeteriorated by the technology, rather, the convenience and efficiency whichtechnology provides will lead to more time to think and offer us with newproblems and challenges to work

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

学术堂整理了十五个好写的英语论文题目,供大家进行参考: 试论简奥斯汀生活对其小说的影响 (On the Impact of Jane Austen’s Life on Her Novels) “真实的诺言”与传统文化的碰撞——简析“真人秀”的实质和本地化过程 (When True Lies Challenge Tradition—An Analysis of the Reality and Localization of Reality TV) 从台湾问题看中美关系 (The Sino-US Relation—The Taiwan Issue)《傲慢与偏见》的生命力 (The Great Vitality of Pride and Prejudice) 平凡中的不平凡——《傲慢与偏见》(Significance in Commonplace—Pride and Prejudice) 萨皮尔沃夫理论 (Sapir-Whorf Hypothesis) 论格里高尔的悲剧 (An Analysis of Gregor’s Tragedy) 对大学生心理健康问题予更多关注 (More Attention to the Psychological Health of College Students) 文体学: 语言学习的科学 (Stylistics: A Scientific Approach) 佛教在西方 (Buddhism in the West) 非语言交际 (Nonverbal Communication) 国际反恐 (International Anti-Terrorism) 全球资金市场近期特征与走向 (The Character and Tendency of Global Capital Market in Recent Decades) 从《老人与海》中桑堤亚哥的性格可知——人是打不败的 (A Man Cannot Be Defeated—From the Character of Santiago in The Old Man and the Sea) 南方的失落 (The Loss of the South)

有关科技发展的论文题目大全初中生英语

The new century is It can be expected that there will be a breakthrough in life sceience and space science in the 21st First, scientists will conquer incurable diseases through the transformation of With the same technology they can breed new species of animals and even human life in the Most important of all, they can decelerate aging and prolong 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 Most probably life will be found in other stars in universe or the planets or stars suitable for the human existence will be However, the scientific development will also bring about some social How should we regard from an ethical perspective the one who is bred through the gene technology in the How can the police identify the criminal from a group of people with the same DNA? It is quite natural that we will meet problems in the scientific and social Therefore, we should be prepared to meet new 汇众动漫学院

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

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

学术堂整理了十五个好写的英语论文题目,供大家进行参考: 试论简奥斯汀生活对其小说的影响 (On the Impact of Jane Austen’s Life on Her Novels) “真实的诺言”与传统文化的碰撞——简析“真人秀”的实质和本地化过程 (When True Lies Challenge Tradition—An Analysis of the Reality and Localization of Reality TV) 从台湾问题看中美关系 (The Sino-US Relation—The Taiwan Issue)《傲慢与偏见》的生命力 (The Great Vitality of Pride and Prejudice) 平凡中的不平凡——《傲慢与偏见》(Significance in Commonplace—Pride and Prejudice) 萨皮尔沃夫理论 (Sapir-Whorf Hypothesis) 论格里高尔的悲剧 (An Analysis of Gregor’s Tragedy) 对大学生心理健康问题予更多关注 (More Attention to the Psychological Health of College Students) 文体学: 语言学习的科学 (Stylistics: A Scientific Approach) 佛教在西方 (Buddhism in the West) 非语言交际 (Nonverbal Communication) 国际反恐 (International Anti-Terrorism) 全球资金市场近期特征与走向 (The Character and Tendency of Global Capital Market in Recent Decades) 从《老人与海》中桑堤亚哥的性格可知——人是打不败的 (A Man Cannot Be Defeated—From the Character of Santiago in The Old Man and the Sea) 南方的失落 (The Loss of the South)

科技发展论文题目大全初中英语

学术堂整理了十五个好写的英语论文题目,供大家进行参考: 试论简奥斯汀生活对其小说的影响 (On the Impact of Jane Austen’s Life on Her Novels) “真实的诺言”与传统文化的碰撞——简析“真人秀”的实质和本地化过程 (When True Lies Challenge Tradition—An Analysis of the Reality and Localization of Reality TV) 从台湾问题看中美关系 (The Sino-US Relation—The Taiwan Issue)《傲慢与偏见》的生命力 (The Great Vitality of Pride and Prejudice) 平凡中的不平凡——《傲慢与偏见》(Significance in Commonplace—Pride and Prejudice) 萨皮尔沃夫理论 (Sapir-Whorf Hypothesis) 论格里高尔的悲剧 (An Analysis of Gregor’s Tragedy) 对大学生心理健康问题予更多关注 (More Attention to the Psychological Health of College Students) 文体学: 语言学习的科学 (Stylistics: A Scientific Approach) 佛教在西方 (Buddhism in the West) 非语言交际 (Nonverbal Communication) 国际反恐 (International Anti-Terrorism) 全球资金市场近期特征与走向 (The Character and Tendency of Global Capital Market in Recent Decades) 从《老人与海》中桑堤亚哥的性格可知——人是打不败的 (A Man Cannot Be Defeated—From the Character of Santiago in The Old Man and the Sea) 南方的失落 (The Loss of the South)

去ABC 天下英语看看,里边资源很充足

关于高效课堂的或者学生自主学习的都可以。或是专题,关于预习,导入新课的模式,作业的设置等,范围越小越好,越具体越好。

有关科技发展的论文题目大全高中英语

Information literacy Knowing how to find data from several sources, select relevant material, analyse and organise it into a form that can be used to make Computers have become the tools people use to access and manage Information technologists are people who analyse and design the What is a computer? Tradition definitions of computers include • A machine that accepts data and processes it into use • A computer is a binary, digital, electronic, stored program • While a computer is commonly a digital machine, analogue machine do An electronic device, operating under the control of instructions stored in its own memory unit, that can accept data (input), process data arithmetically and logically, produce results (output) from the processing and stores results for future Many computers receive and send data (communicate) across networks LAN and W A computer system consists of hardware and What is hardware? Hardware Hardware is physical devices or components that can be physically handled – you can thou Input Devices Input devices convert data that humans collect into coded electrical signals that a computer can The central processing unit The electronic processing takes place in the CPU The CPU consists of • A control unit that controls all of the computer’s functions and an • Arithmetic and logical unit (ALU) that performs any calculation Memory Memory holds all programs and What is RAM currently open? Data (notes) Word processor OS Output devices Output devices convert the computer’s electronic signals back into information Secondary storage devices These devices store programs and data The programs and data are not necessarily (or likely to be) in current E DVD CD Communication devices These devices enable a computer to connect to another List the six different type of hardware? Secondary storage(external), input, processor, output , memory, C Name eight pieces of hardware USB, keyboard, monitor, screen, RAM, ROM, VDU, M The system unit and peripheral devices The system unit is the computer Peripheral devices are any devices around the outside, or in other words, plugged into the (back of) the Peripheral devices include the key board, mouse, printer, joy stick and Peripheral devices are any devices around the outside, or in other words, plugged into the (back of) the Peripheral devices include the keyboard, mouse, printer, joy stick and What else does a computer have? Software Software is a computer program ,which is a detailed set of instructions that directs a computer to perform the tasks necessary to process data into These instructions are written in languages that computer can Software includes computer games, a word processing packing, an accounting package, amongst Definition of a computer system • A computer system is the configuration of hardware and software, functioning together, to process data into useful information, in order to achieve a purpose for a human What is data? • Data is raw facts, be they numbers, words, images and sounds, that can be input into a Mary a name is a piece of data What is information? • Information is processed data, that has meaning and is John is a list of names who scored an A grade on an exam John A Chai A Pam A Commodore $23 500 Magna $21 500 Falcon $19 800 The system unit contains the • Motherboard • CPU • Memory • Other electronics It is where the computer program instructions are executed and the data is manipulatedThe Processor CPU The CPU interprets and carries out basic instructions that operate the computer, the CPU contain the • Control unit and the • Arithmetic logic unit Control unit The control unit directs and coordinates the computer’s For every single instruction, the control unit repeats four basic operations, • Fetching • Decoding • Executing • Storing CPU speed The CPU’s speed may be measured in MIPS The number of millions of instructions per second Arithmetic/logic unit The ALU performs all calculations, which involve • Arithmetic operations 2+3 • Comparison operations age>=17 • Logical operations pass Processing instructions A CPU may begin executing a second machine cycle before completing the first-referred to as Current CPU’s can pipeline up to 4 Storage within the CPU Registers temporarily hold data and The computer’s clock A System clock is necessary to control the timing of all computer Each tick of the clock is referred to as a clock Clock speed is the speed at which a processor executes A hertz is one cycle per second and a megahertz is 1024 by1024 and a gigahertz is 1024 by 1024 Memory Memory is the temporary storage place for data and (program) Memory is measured in • Kilobytes 1024 bytes 2^10 • Megabytes 1024* 1024 bytes 2^20 • Gigabytes 1024*1024*1024 bytes 2^30 Representation of data Digital computers are built from many small electronic Each circuit, at any point of time can be turned OFF or ON Hence these devices are called two state Binary Digit 0and 1 Each off or on digital value is called a bit, short for binary A 1 bit computer would be able to distinguish between two values-characters, symbols or Hardly sufficient for the characters on the keyboard Bits Characters 1 2 2 4 3 8 4 16 5 32 6 64 7 128 8 256

学术堂整理了十个和中国有关的科技论文题目,供大家选择:  1、李约瑟难题对中国科技史研究的影响  2、改革:中国科技期刊走向国际的必由之路  3、中国科技期刊发展的问题与对策研究  4、中国科技传播体系建设的现状与对策研究  5、谈中国科技服务业发展的若干问题及其对策  6、影响中国科技创新需求的障碍与对策  7、中国科技需要的根本转变:建立竞争优胜体制  8、基于内容分析法的中国科技创新政策研究  9、中国科技期刊进入六大国际检索系统的途径  10、中国科技期刊品牌评价与培育方法研究

学术堂整理了十五个好写的英语论文题目,供大家进行参考: 试论简奥斯汀生活对其小说的影响 (On the Impact of Jane Austen’s Life on Her Novels) “真实的诺言”与传统文化的碰撞——简析“真人秀”的实质和本地化过程 (When True Lies Challenge Tradition—An Analysis of the Reality and Localization of Reality TV) 从台湾问题看中美关系 (The Sino-US Relation—The Taiwan Issue)《傲慢与偏见》的生命力 (The Great Vitality of Pride and Prejudice) 平凡中的不平凡——《傲慢与偏见》(Significance in Commonplace—Pride and Prejudice) 萨皮尔沃夫理论 (Sapir-Whorf Hypothesis) 论格里高尔的悲剧 (An Analysis of Gregor’s Tragedy) 对大学生心理健康问题予更多关注 (More Attention to the Psychological Health of College Students) 文体学: 语言学习的科学 (Stylistics: A Scientific Approach) 佛教在西方 (Buddhism in the West) 非语言交际 (Nonverbal Communication) 国际反恐 (International Anti-Terrorism) 全球资金市场近期特征与走向 (The Character and Tendency of Global Capital Market in Recent Decades) 从《老人与海》中桑堤亚哥的性格可知——人是打不败的 (A Man Cannot Be Defeated—From the Character of Santiago in The Old Man and the Sea) 南方的失落 (The Loss of the South)

有关科技发展的论文题目大全初中

学术堂整理了十个和中国有关的科技论文题目,供大家选择:  1、李约瑟难题对中国科技史研究的影响  2、改革:中国科技期刊走向国际的必由之路  3、中国科技期刊发展的问题与对策研究  4、中国科技传播体系建设的现状与对策研究  5、谈中国科技服务业发展的若干问题及其对策  6、影响中国科技创新需求的障碍与对策  7、中国科技需要的根本转变:建立竞争优胜体制  8、基于内容分析法的中国科技创新政策研究  9、中国科技期刊进入六大国际检索系统的途径  10、中国科技期刊品牌评价与培育方法研究

可以有小事身边的一切都可以呀肥皂,水,茶,树木,电脑,电视,宠物,人体一些化学实验(学校学的就可以呀)恩,哲理的给人启示还有兴趣天文,地理,化学,计算机学习中的(我这里有些别人的题材)()1、手下留情,足下留青,爱护环境,人人有责。 ()2、植树造林,功在千秋。 ()3、爱祖国,护绿化,保清洁,爱家园。 ()4、保持地球生态平衡,就是保护人数自身。 ()5、保护环境,就是爱惜生命。 ()6、兴我中华,爱我昆山。爱护家园,人人有责。 ()7、那里有绿色,哪里就有生命。 ()8、地球只有一个,失去它,我们到哪里去寻找家园。 ()9、绿化做得好,染污就减少。垃圾分类放,环境有保障。 ()10、爱护环境,保护地球,让我们托起双手共同撑起一片蔚蓝的天空。 ()11、请高抬贵脚,听,小草在哭泣! ()12、谁能忍受每天戴着防毒面具过日子?——还空气清新吧! ()13、天空是小鸟家,河流是鱼儿的家,地球是我们的家。 ()14、让地球妈妈永远年轻美丽。 ()15、把绿色带到世界每一个角落,让绿色流入人们心中。 ()16、废气,stop!废水,stop!染污,goaway! ()17、绿树成荫,花香扑鼻——理想家园靠大家。 ()18、破坏环境的人终将得到大自然的惩罚。 ()19、节约能源,人人有责! ()20、用好你的手,垃圾无处溜。 ()21、地球是我们的母亲,我们要爱护她。 ()22、风清水绿天蓝,我们美丽的家。 ()23、让天更蓝,让水更清,让我们从小事做起。 ()24、我们梦想一个没有污染的环境。 ()25、保护环境,人人有责。 ()26、捡起一张纸,创造一个美的环境。 ()27、陆地、天空、大海,我们都要保护。 ()28、谁不爱家?谁不爱妈妈——保护地球。 ()29、爱护我们共同的家园——地球。 ()30、我们的地球需要每个人的保护。 ()31、人的生命是有限的,保护环境是无限的。 ()32、每个人都要保护环境,否则人们会自生自灭。 ()33、每人少扔一张纸,地球就会更美丽。 ()34、希望有一天,垃圾筒也会下岗。 ()35、保护环境,从我做起。 ()36、请脚下留情,别伤害一棵小草。 ()37、请别乱坎树林,让空气更加清新。 ()38、保护绿化,爱护公物,从我做起! ()39、让我们来保护花草树木吧!看,花草树木在向你挥出希望的小手。 ()40、如果没有花草树木,我们还能吸收氧气吗?让我们保护花草树木吧! ()41、爱护绿化,就是保护自己。 ()42、绿树成荫,鲜花遍地,人间仙境,非常美丽。 ()43、有花有草,不摘花草,无花无草,应栽花种草,破坏环境,岂不可惜。 ()44、科技发展无限好,只是地球太难堪。 ()45、建设“四化”离不开绿化。 ()46、保护环境,就是保护自己。 ()47、因为人类的恶作剧,所以地球母亲在痛哭,快止住妈妈的眼泪。 ()48、参与绿色行动,保护美丽家园。 ()49、地球妈妈需要你我的细心呵护。 ()50、地球是我们的妈妈,我们是妈妈的孩子,热爱妈妈吧! ()51、什么时候垃圾筒也会下岗。 ()52、为绿化环境做贡献,让地球妈妈更美丽。 ()53、少抽一支烟,多栽一棵树。 ()54、为了地球的生命,拯救我们的环境。 ()55、保护地球等于保护自己。 ()56、请不要向天空吐烟,那是地球妈妈的笑脸。 ()57、请爱护每一棵树,否则我们看到的将是泛滥的洪水和贫瘠的沙漠。 ()58、保护环境卫生,减少生活污染,共建美好家园。 ()59、门前院后种棵树,室内阳台养盆花,健康幸福到你家。 ()60、动物是我们朋友,保护动物就是保护我们自己。 ()61、让水更清,让天更蓝,让花更艳,让我们的地球更美丽。 ()62、人类为什么总把环境意识抛在脑后。 ()63、人类应该为自己破坏环境的行为感到羞耻。 ()64、保护自生环境,爱护我们生存的地球。 ()65、不让尘土进校园,只让美好到我家。 ()66、绿化是我们生存的希望,美化是我们做人的根本。 ()67、快快行动起来,保护自然生态! ()68、做地球妈妈的好孩子,保护她! ()69、热爱我们的母亲,不要再让她伤心和失望! ()70、人类有了绿树、鲜花和小草,生活才会更美丽。 ()71、从自己做起,爱护我们的家园。 ()72、树木正在为净化空气而加班加点,请勿让绿色工厂倒闭。 ()73、人人丢纸,垃圾一片;人人拣纸,一尘不染。 ()74、地面爱干净,请您手留情。 ()75、花儿开得美,大家来欣赏。 ()76、我是一朵花,请爱我,别采我。 ()77、小草刚钻出地面,请自觉保护弱小。 ()78、河水的眼泪不再清澈,高山的头发日见稀疏。 ()79、莫踏青草,勿采红花。 ()80、小草正睡觉,勿入草坪来打扰。 ()81、朋友们,觉悟吧,从现在开始保护环境还来得及。 ()82、每天节约一滴水,难时拥有太平洋。 ()83、娇娇小草,请足下留情。 ()84、节约用水,请从身边做起。 ()85、绿色消费,消费绿色。 ()86、美好环境是产生一切人才、一切美好事物和一切美丽家园的基本。 ()87、人类需要的是绿色,只有保护好环境,才能拥有绿色。 ()88、为了这一代和将来的世世代代,必须保护环境。 ()89、地球是我们的母亲,保护地球就是保护母亲。 ()90、垃圾分类,循环回收。 ()91、地球清洁一点,我们生活舒适一点。 ()92、迎绿色资源,送废气污染。 ()93、带着欢乐舞步,让风沙停止,让小鸟起舞,让绿色腾飞。 ()94、地球是我家,共同保护她。 ()95、绿色社会,动手筑造。 ()96、让风沙不再猖狂,还地球一片绿色铺垫。 ()97、清澈的河水是动物们的镜子,不要让河水再次污浊不清。 ()98、为了我们自己,也为了我们后代,请保护环境。 ()99、让河水更清澈,让家园更美好。 ()100、让绿色在生活中洋溢,让心灵在绿色中放飞。 ()101、破坏了环境,人类就等于自杀。 ()102、保护自然界,关爱家园。 ()103、爱护身边的绿化,重建美好家园。 ()104、护我环境,为我中华! ()105、水是生命之源,树是生命之根。 ()106、水是一切生命的起源点。 ()107、和大自然心与心的交汇,共创地球美好家园。 ()108、留住草的美,体现你的美。 ()109、鸟语花香的家园,需要我们共同去创造。 ()110、保护环境,刻不容缓。 ()111、还“地球妈妈”一张洁白、干净的“脸”吧! ()112、让白色染污永远消失! ()113、爱绿护绿,保护环境;勤俭节约,珍惜资源。 ()114、让绿色与我们共存! ()115、捡起一张废纸,就是消除一份污染。 ()116、蓝蓝的天,白白的云,我们共创一个绿色的家。 ()117、美好的环境是哺育一切生灵的乳汁。 ()118、保护环境是我们生存的惟一条件。 ()119、保护环境,从小做起;美化环境,人人有责。 ()120、拥护美丽家园就是拥有宝贵的财富。 ()121、多种一棵翠绿的小树,还我一片蔚蓝的天空。 ()122、保护环境,让地球妈妈重绽笑脸! ()123、流水是大自然不息的血液,破坏水源等于污染自己的鲜血! ()124、地球的梦想,给自己穿上一件漂亮的“绿衫”。 ()125、一个地球,够了,一个海洋,够了,不够的是—环保。 ()126、保护环境,要你十分留心,十分细心,十分有心。 ()127、地球—“母亲”难堪,人类—“儿女”惭愧。 ()128、使“母亲”成为乐园,需要“儿女”携手努力。 ()129、看,蓝色的地球多美呀!千万不要让她变成单调的黄色! ()130、多栽一棵树,就给人类多增添一丝生存的希望。 ()131、朋友,请给鸟儿多一片温暖的天空,请给鱼儿多一点娱乐的天地。 ()132、含一滴水,还一份真情! ()133、地球不仅仅是人类的家园,更是所有生物的家园。 ()134、用我们的双手,保护我们的地球。 ()135、让我们为地球妈妈共同撑起一把绿伞。 ()136、我们为天然资源越来越少而伤心,地球为我们破坏资源而哭泣。 ()137、利用地球资源是为了人类更好地生存,保护地球环境是人类为了生存得更久。 ()138、保护我们的家园,让地球充满绿色。 ()139、保护环境,有益健康。 ()140、没有绿色,生命就没有希望。 ()141、你是否听见,地球妈妈在哭泣。 ()142、把绿色还给地球。 ()143、倾听大自然母亲甜蜜的絮语,多么美好,岂能让母亲哽咽。 ()144、地球的命运掌握在人们的股掌之间,稍不留神,将会被毁灭。 ()145、只有保护环境,明天,美好的明天!就指日可待了! ()146、淡水用完—南北极取,冰山用完—过滤海水,海水用完—?!!! ()147、是水哺育我们,是空气给我们生命,是地球给我们灵魂,难道我们要恩将仇报! ()148、斩断飞向天空的“黑龙”,拥有湛蓝的天。 ()149、人类就是花的根,环境是未绽的花苞,根努力就能开出美丽,反之只有枯竭、谢落。 ()150、放下千斤斧,快去勤植树! ()151、地球不该是黑色的,让天空湛蓝,河流洁净,花儿娇艳! ()152、保护环境,人人戒烟。

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