2019_2020学年高中英语Unit3Scienceandnature课时跟踪检测(四)(含解析)牛津译林版必修5

Unit 3 Science and nature 课时跟踪检测(四)ProjectⅠ.单词拼写1.He came to China in order to learn Chinese agricultural (农业的) skills.2.The captain sailed his ship through the narrow channel (航道).3.The suggestion to close the road has found favor (支持) with local people.4.Besides, we are just students, and we have no incomes (收入) of our own.5.She was frightened (使惊吓) by the anger in his eyes.6.It isn't good to borrow your friends' books without permission (允许).Ⅱ.单句改错1.—If he does your a favour, you should do him a favour.—I can't agree more.One good turn deserves another.your→you2.The girl said in a frightening voice that she was frightened by the dog.frightening→frightened3.From my point of the view, most people are undergoing certain problem during certain time.去掉the4.Don't touch this machine with permission.with→without5.Most businesses seek to make profit to achieve income that is more than the costs of operating the business.profit前加aⅢ.选词填空Fruits and vegetables are_good_for people's health.2.These shoes are comfortable rather_than pretty.3.No one seemed to listen to my point_of_view. I felt embarrassed.4.The fishermen said that their small catches were enough to meet_their_needs.5.However, others are in_favour_of the conclusion because it is hard to say whether it will threaten the Chinese language.6.The chairman_was_blamed_for letting his secretary take on too much work last week.Ⅳ.完形填空When I was in middle school, a poisonous spider bit my right hand. I ran to my mom for__1__ but instead of taking me to a doctor, my mom set my hand__2__.After wrapping my hand with several layers of cotton, thensoaking it in wine, she put a chopstick into my mouth, and litthe cotton. Heat quickly went through the cotton and began toroast my__3__. The sharp pain made me want to scream, but thechopstick__4__ it. All I could do was watch my hand burn —one minute, then two minutes — __5__ mom put out the fire.At that time there was no doctor available my mother could bring me to see about my spider bite.For those who study biology, you may have grasped the science__6__ my mom's cure: heat deactivates (使不活跃) proteins, and a spider's venom (毒液) is __7__ a form of protein. It's __8__ how that folk remedy actually includes basic biochemistry, isn't it? But I am a PhD student in biochemistry at Harvard. I now know that better, less__9__ and less risky treatments existed. So I can't help but ask myself why I didn't__10__ one at that time.Now I am happy to report that my hand is fine. But this question remains, and I continue to be troubled by the unequal__11__of scientific knowledge throughout the world. Despite the knowledge we have accumulated, we haven't been so__12__ in deploying (配置) it to where it's needed most. We constantly see these problems of poverty, illness, and__13__of resources preventing the flow of scientific information. Lifesaving knowledge we take for granted in the modern world is often__14__ in underdeveloped regions.While studying at Harvard, I saw__15__ scientific knowledge can help others in simple, yet profound ways. The bird flu in the 2000s looked to my village like a spell cast by devils. When I realized that simple hygiene (卫生) practices like__16__ different animal species could contain the spread of the disease, and that I could help make this knowledge available to my village, that was my first “Aha” moment as a budding scientist.Harvard dares us to dream big, to aspire (立志) to change the world. Here on thisCommencement Day, we are__17__ thinking of grand destinations and big adventures that await us. As for me, I am also thinking of the farmers in my village. My experience here__18__ me how important it's for researchers to communicate our knowledge to those__19__. Because by using the science we already have, we can probably bring my village and thousands like it into the world you and I take__20__ every day. And that's an impact every one of us can make!语篇解读:在哈佛大学的毕业典礼上,来自中国湖南的生物系博士生何江作为毕业生代表发表了毕业典礼演讲。

他从自己的亲身经历——被蜘蛛咬伤的往事讲起,说明知识传播、知识分布以及资源平衡的重要性。

1.A.medicine B.helpC.advice D.decision解析:选B 句意:在我上中学的时候,一只毒蜘蛛咬伤了我的右手,我去找母亲寻求帮助。

help意为“帮助”;medicine意为“药”;advice意为“建议”;decision意为“决定”。

2.A.in water B.on fireC.in trouble D.on strike解析:选B 根据后文可知,母亲采取的行动是把作者的手放在火上烧。

on fire意为“着火”;in water意为“在水中”;in trouble意为“有麻烦”;on strike意为“罢工”。

3.A.leg B.chestC.hand D.face解析:选C 根据下文的“watch my hand burn”可知,棉纱上的温度很快上来了,作者的手也开始发烫。

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2019_2020学年高中英语Unit3ScienceandnatureSectionⅢ课件牛津译林版必修5

2019_2020学年高中英语Unit3ScienceandnatureSectionⅢ课件牛津译林版必修5

2.[教材原句] He must have been working too hard to notice! 他当时肯定是工作太努力而没有注意到! [句型点拨] too ...to 结构意为“太……而不能……”。 [佳句赏析] Sometimes, I was too weak to go to school so my education suffered. 有时候我的身体太虚弱,上不了学,因此落下了很多功课。
13. tasty adj.美味的,可口的→taste v.品尝 14. reliable adj.可信赖的,可依靠的→rely v.依赖,依靠 15. actual adj.真实的,实际的→actually adv.实际地
[巧记单词]
派 professional 生 judgement 法 reliable
价;判断 n.法官 10. relation n.关系;亲戚→relate vt.使互有关联 11. summary n.总结;概括,概要→summarize vt.概括;总结
12.consideration n.仔细考虑;必须考虑的因素;体谅,顾及 →consider v.考虑;认为→considerate adj.体贴的,体谅 他人的,考虑周到的
Section Ⅲ Word power, Grammar and usage & Task
Ⅰ.单词拼写 1.They are conducting (实施) an experiment with the intention
of finding a better way to do that. 2.In primary schools, women teachers are in the majority (大多

2019_2020学年高中英语Unit3ScienceversusnaturePeriodFourProject教案

2019_2020学年高中英语Unit3ScienceversusnaturePeriodFourProject教案

Period Four ProjectⅠ.写出下列单词的汉语意思(共15小题;每小题2分,满分30分)1.agriculture n.农业2.channel n.水道;航道;隧道3.catastrophe n.灾难,灾祸4.resource n.资源5.acre n.英亩6.rainforest n.雨林7.income n.收入,收益8.genetics n.遗传学9.genetically adv.从基因上,与基因相关10.pest n.害虫11.profit n.利润,收益12.chain n.一系列,一连串(人或事)13.breakthrough n.突破14.judgement n.判断力;看法,评价;(法律)判决15.conduct vt.实施;指挥乐队Ⅱ.写出下列汉语对应的英语单词(共15小题;每小题2分,满分30分)16.favour n.赞同,支持;帮助;偏爱→favourable adj.有利的,有帮助的,赞同的17.frighten vt.使惊吓,使惊恐→frightened adj.害怕的→frightening adj.令人害怕的18.modify vt.调整,修改;修饰19.insert vt.插入,嵌入20.profit vi.&vt.获益;对……有用21.permission n.准许,许可,批准→permit v.许可;n.许可证22.majority n.多数,大多数23.summary n.总结;概括,概要24.consideration n.仔细考虑;必须考虑的因素;体谅,顾及25.ordinary adj.普通的,一般的26.reliable adj.可信赖的,可依靠的27.accurate adj.准确的,精确的28.confirm vt.&vi.证实,证明;确认;使确信29.adopt vt.收养,领养;采用,采纳30.transform vt.使改变外观或性质(尤指向好的方向);使改变形态Ⅲ.写出下列短语或短语对应的汉语意思(共10小题;每小题2分,满分20分) 31.begoodfor对……有益32.infavourof赞同,支持33.pointofview观点34.meetone’sneeds满足某人的需求35.ratherthan而不是36.atafastpace以很快的速度37.beblamedfor因……而受责备38.defend...against...保卫……免受……39.belimitedto局限于40.haveaneffect/effectson对……产生影响/起作用Ⅳ.完成句子(共5小题;每小题4分,满分20分) 41.Noteverythingthatisbestfornatureisgoodforpeople.并非一切对自然来说是最好的就对人类有益。

2020学年高中英语Unit3ScienceandnatureSectionⅠReading(Ⅰ)

2020学年高中英语Unit3ScienceandnatureSectionⅠReading(Ⅰ)

2019-2020学年高中英语Unit 3 Science and nature Section ⅠReading(Ⅰ)(Welcome to the unit & Reading)教案(含解析)牛津译林版必修5编辑整理:尊敬的读者朋友们:这里是精品文档编辑中心,本文档内容是由我和我的同事精心编辑整理后发布的,发布之前我们对文中内容进行仔细校对,但是难免会有疏漏的地方,但是任然希望(2019-2020学年高中英语Unit 3 Science and nature Section ⅠReading(Ⅰ)(Welcome to the unit & Reading)教案(含解析)牛津译林版必修5)的内容能够给您的工作和学习带来便利。

同时也真诚的希望收到您的建议和反馈,这将是我们进步的源泉,前进的动力。

本文可编辑可修改,如果觉得对您有帮助请收藏以便随时查阅,最后祝您生活愉快业绩进步,以下为2019-2020学年高中英语Unit 3 Science and nature Section ⅠReading(Ⅰ)(Welcome to the unit & Reading)教案(含解析)牛津译林版必修5的全部内容。

Unit 3 Science and natureThe EC approves the sale of cloned young into the food chain 克隆动物早已不再“犹抱琵琶半遮面”。

为了保护克隆的福利,欧盟委员会这次走得更远……The European Commission has published a report approving the right of member states to sell cloned animals’ young and their products into the food chain。

The commission said a ban would not be proper in terms of protecting animal s’ welfare and public health。

牛津译林版高中英语必修五unit 3《science and nature》第3课时优秀教案(重点资料).doc

牛津译林版高中英语必修五unit 3《science and nature》第3课时优秀教案(重点资料).doc

A. Our genetic makeup.
B. Resources on the earth..
C. The adaptive ability of humans.
D. By-products in space
exploration.
75. Which of the statements can best sum up the passage?
Perhaps the best answer lies in our genetic makeup(基因构成) as human beings. What drove our ancestors to move from the trees into the 程 plains, and on into all possible areas and environments? The wider the spread of a species, the better its chance of survival. Perhaps the best reason for exploring space is this genetic tendency to expand wherever possible.
Nearly every successful civilization has explored, because by doing so, any dangers in surrounding areas can be identified and prepared for. Without knowledge, we may be completely destroyed by the danger. With knowledge, we can lessen its effects.

2019-2020年高中英语 Unit 3 Science and nature教案 牛津译林版必修

2019-2020年高中英语 Unit 3 Science and nature教案 牛津译林版必修

2019-2020年高中英语 Unit 3 Science and nature教案牛津译林版必修5【美文阅读】克隆动物早已不再“犹抱琵琶半遮面”。

为了保护克隆的福利,欧盟委员会这次走得更远……EC approves the sale of cloned young into the food chainThe European mission has published a report approving the right of member states to sell cloned animals' young and their products into the food chain.The mission said a ban would not be proper in terms of protecting animal welfare and public health.It added that a clone traceability(可追踪)system would be needed,because food from the clones' young “cannot be distinguished from food from other animals”.The move could cause a big change from the UK Food Standards Agency(FSA) which at present forbids the sale of food from the clones' young without a license—farmer Steven Innes was found to have done so last year and should be punished.Under the mission's proposal,Mr.Innes would not be punished.Indeed all farmers in the UK would be able to buy materials from clones from outside the European Union and sell their products into the food chain.George Lyon,Liberal Democrat MEP for Scotland,said,“It's clear that the FSA is out of line with the rest of member states in how it explains the present rules and,of course,under these new rules,it still is out of line.So hopefully they will e to their senses and see they do have to move on this subject.”【诱思导学】1.What's the passage mainly about?________________________________________________________________________ 2.Why is a ban on selling cloned animals not suitable for the present situation?________________________________________________________________________ 【答案】 1.The sale of cloned young has been made legal by EC.或:The EC approves the sale of cloned young into the food chain.2.Considering cloned animals have appeared,there is a possibility that people sell them and get food from them.If there is a ban,some people may sell them illegally and then it's likely to prevent animal welfare and public health from protection.Period ⅠPreviewing(教师用书独具)●教学目标本课时主要是通过学生对学案所给出的内容的学习,了解本课文所出现的词汇,初步了解课文以及相关的背景知识,对下一堂课中课文的全面理解起到一个铺垫作用。

2019-2020学年度高三英语 专题复习 Unit 3 Science versus nature(第2课时)教案 牛津译林版必修5

2019-2020学年度高三英语 专题复习 Unit 3 Science versus nature(第2课时)教案 牛津译林版必修5

——教学资料参考参考范本——2019-2020学年度高三英语专题复习 Unit 3 Science versus nature(第2课时)教案牛津译林版必修5______年______月______日____________________部门课题Unit 3 Science versus nature课型复习课教学目标明确学习的目标,掌握重点单词、短语、句型重点掌握重点单词、短语难点重点句型教法讲授法、讨论法、探究法教学内容个案调整教师主导活动学生主体活动2教学过程Second periodStep 1: Personal showWrite down the words according to yourself.Step 2: Language focus◆ 1. intended adj. (为…〉打算的/设计的intention n.意图;目的;企图知识探究:My brother intends to study abroad next year. 我弟弟打算明年到国外留学。

He went to Paris with the intention of learning/ to learn French. 他到巴黎是为了学法语。

I have no intention of going to the wedding. 我无意去参加婚礼。

The course is intended for intermediate students. 这个课程是为中等水平的学生开设的。

The dictionary is intended for children. 这本字典是给小孩用的。

His parents intended him to study abroad. 他的父母想让他去国外学习。

题练落实:1. Small children don’t like books that are _______ for adults.A. promisedB. permittedC. admittedD. intended2. ---I thought you and Peter were going for a bike ride.---_______, but the front wheel of my bike is bent and I haven’t had it fixed.A. We intended toB. I’m sorryC. Well, we wentD. She was, and I won’t3. In the park, the number of visitors is tightly _______ to avoid damaging the environment or putting stress on the animals.A. limitedB. encouragedC. expectedD. intended4. She ________ to catch the early tra in, but she didn’t get up in time.A. intendedB. was intendedC. had intendedD. was intending◆ 2. adopt vt. &. vi.收养,领养;知识探究:Papers like this tend to adopt a very simple writing style.这样的论文往往采用比较朴实的写作风格。

(皖湘)2019-2020学年高中英语 Unit 3 Science versus nature

Unit 3 Science versus natureThe health problems about cloned animals,particularly those who appear healthy but have hidden illnesses or problems that appear unexpectedly later in life,have the potential to cause real risks to the safety of the food products from those animals.Ian Wilmut,a lead scientist involved in the creation of Dolly,the first cloned animal,has warned that even small imbalances in a clone’s h ormone,protein,or fat levels could bring its milk or meat into danger.As part of its risk assessment on animal cloning,the Food and Drug Administration(FDA) concluded that milk and meat from cloned animals and their offspring(后代) were as safe to eat as products from conventional animals.The FDA further announced that it would not require food products from cloned animals or their offspring to be labeled as such.Consumer watchdog groups pointed out that the FDA’s analysis was based on limited data supplied mainly from the cloning companies themselves.In addition,while food safety is an obvious concern of consumers,it is not the only issue that makes people uncomfortable with animal cloning.For example,surveys indicate that 63 percent of consumers would not buy food from cloned animals even if it was labeled as “safe”.Concerns about the morality of cloning,as well as concerns for animal welfare,lead a big majority of people to oppose cloning animals for food.However,these issues were not considered by the FDA.Without labels to identify cloned foods,consumers who oppose animal cloning would be forced to make purchases against their principles without knowing.Consumers have the right to know how their food is produced so they can make informed decisions about what they buy and what they feed their families.根据上文判断正(T)误(F)1.Ian Wilmut’s attitude towards food products from cloned animals is cautious.( T )2.From the last paragraph we can learn that most consumers didn’t believe what the FDA said.( T ) 3.The main idea of the text is about concerns for animal welfare.( F )Period One Welcome to the unit & Reading—Pre­reading匹配左边的单词与右边的汉语意思[第一组]1.clone A.vt.收养,领养;采用,采纳2.exact B.n.意图,目的;企图3.intention C.vt.克隆;n.克隆出来的动物或植物4.anxiety D.n.忧虑,焦虑,不安5.adopt E.adj.精确的,准确的答案 1.C 2.E 3.B 4.D 5.A[第二组]6.legal A.n.胚胎7.embryo B.n.(生物的)组织;纸巾8.tissue C.n.怪物9.monster D.adj.法律许可的,合法的10.fellow E.n.男子,家伙;同事,同类答案 6.D 7.A 8.B 9.C 10.E[第三组]11.crime A.vt.&vi.收割(庄稼);n.收获;收成12.concept B.vt.使改变外观或性质(尤指向好的方向);使改变形态13.transform C.n.结果,后果14.harvest D.n.概念;观念15.consequence E.n.罪,罪行答案11.E 12.D 13.B 14.A 15.C[第四组]16.physician A.n.女售货员,女推销员17.real­life B.n.细胞;小隔间;电池18.cell C.n.山羊19.saleswoman D.adj.真实的,现实生活中的20.goat E.n.医师;内科医生答案16.E 17.D 18.B 19.A 20.CStep 1Fast­reading1.What is the main idea of this passage?A.It is about the debate whether we should clone human beings among people. B.Cloning is producing an exact copy of a plant or an animal using its cells. C.Ian Wilmut is shocked that some scientists are now considering cloning human beings. D.Opposite opinions of Pauline Carter and Colin Jake on the “The perfect copy”.答案 A2.Judge the following statements true (T) or false (F).(1)Some scientists point out that if you clone an embryo,you can produce valuable human tissues.( T )(2)Cloning can produce an animal without using its cells.( F )(3)The scientist who created Dolly has already created a copy of human.( F )(4)Cloning can help those who are unable to have children.( T )(5)Cloning has created more diseases in the human world.( F )Step 2Careful­reading1.When and where was the world’s first mammal Dolly cloned?A.On Christmas Day 2001 in Japan.B.In 1996 in Scotland.C.In early 2003 in Scotland.D.In 1996 in Italy.答案 B2.Which of the following CANNOT be inferred from the text?A.Faye Wilson cannot give birth to a baby.B.Cloning human beings is illegal and immoral in many countries.C.In the future more and more diseases like cancer will be cured.D.The first cloned human being will be created by Severino Antinori.答案 D3.Pauline Carter disagrees with human cloning,because she thinks that . A.human cloning is totally immoralB.it is difficult to predict the future if human beings are clonedC.human beings will use up the Earth’s resourcesD.all of the above答案 D4.Who else disagrees with human cloning except Pauline Carter?A.Colin Jake.B.Severino Antinori.C.Ian Wilmut.D.Faye Wilson.答案 CStep 3Post­readingAfter reading the passage,please fill in the following blanks.With Dolly 1.cloned(clone) successfully from an adult cell,some other animals already 2.have been created(create).Some scientists even have 3.the intention to clone humans and they are pushing ahead with research now,4.although/though it is not legal in many countries.China has succeeded in 5.producing(produce) clones of cows and goats.Just 6.as the saying goes,“Every coin has two sides.” On the one hand,cloning can produce valuable human tissues and organs 7.to be used(use) in medical treatment.On the other hand,human cloning causes much 8.anxiety(anxious).Some people say if we toy 9.with nature,we will have to deal with the 10.consequences(consequence).Step 4Sentence­learning1.Ian Wilmut,the Scottish scientist who created Dolly,is shocked that some scientists are now considering cloning human beings.[句式分析]Ian Wilmut,the Scottish scientist who created Dolly,主语主语同位语定语从句is shocked that some scientists are now considering cloning human beings.谓语宾语从句[自主翻译] 克隆出多利的苏格兰科学家伊恩·威尔莫特对于有些科学家现在正在考虑克隆人类感到非常震惊。

2019-2020学年高中英语 Unit 3 Science and nature Sectio

Section ⅢGrammar——过去分词一、过去分词的构成和意义1.过去分的构成过去分词通常是由动词后加“­ed”构成的,少数过去分词有不规则变化形式。

注意:过去分词无时态和语态的变化。

2.过去分词的意义及物动词的过去分词通常既表被动,又表完成;不及物动词的过去分词只表完成,不表被动。

The books,written by Lu Xun,are popular with many Chinese people.鲁迅写的这些书,受到了许多国人的喜爱。

(表被动和完成)Once recovered,he threw himself into his work and made every effort to do it well.他一康复就投身到他的工作中去并且尽一切努力把它做好。

(只表完成)二、动词­ed形式的句法功能过去分词具有形容词和副词的特征,可在句中作定语、表语、补语和状语等成分。

1.作定语(1)单个的动词­ed形式作定语一般放在被修饰词的前面(left除外),相当于一个形容词。

The excited people rushed into the building.激动的人们奔进了大楼。

There is no food left on the table.桌子上没有剩余的食物。

(2)动词­ed短语作定语通常放在被修饰词的后面,相当于一个定语从句。

The suggestion made by the foreign expert was adopted by the manager.那个外国专家提出来的建议被经理采纳了。

(3)动词­ed短语作定语也可用作非限制性定语,前后用逗号隔开。

The meeting,attended by one thousand students,was a great success.这次会议获得了很大的成功,共有一千名学生出席。

高中英语 Unit3 Science and nature Welcome to the unit教

Unit3 Science and nature Welcome to the unit教材:牛津高中英语(模块五)高二上学期文档内容:教学设计—教案单元:Unit 3 Science and nature板块:Welcome to the unitThoughts on the design:从课型来说,本课时作为整个单元的导入部分,主要是以口语表达为主,从内容来说,本课时作为整个单元的第一课时,要解决两个问题。

首先是向学生介绍整个单元的主题和将要学习和讨论的内容,其次是要为进入阅读部分作一些内容的准备和铺垫。

基于这样的考虑,本课时主要包括两个部分,即单元主题呈现〔科学对抗自然〕和阅读前准备〔克隆〕。

以一段有关增高术的听力作为切入点,带出主题,然后以图片为媒介引导学生进行一系列的讨论,在充分理解了本单元的主题之后,进入另一层面,专门针对克隆进行生动的讨论和辩论,让学生充分展示出他们对这一专题有所了解,并让他们认识到他们对这一专题还需要进一步的阅读才能更好得表达出他们的看法。

这就为后面的阅读作了充分的铺垫。

Teaching aims:After learning Welcome to the unit, the students will be able to1.think more about the relationship between science and nature.2.describe some items and atmosphere with scientific terms.3.express their opinions on cloned animals and humans as well.4.develop an interest in doing more reading and research on the topic. Teaching procedures:Step 1 Lead in (PPT 4-7)Play a dialogue about height-increasing operations and ask students to fill in the blanks. After checking the answers, allow some time for students to freely express their opinions on height-increasing operations, thus introduce the major topic“science versus nature〞。

2019_2020学年高中英语Unit3ScienceversusnaturePeriodFourProject教案

Period Four ProjectⅠ.写出下列单词的汉语意思(共15小题;每小题2分,满分30分)1.agriculture n.农业2.channel n.水道;航道;隧道3.catastrophe n.灾难,灾祸4.resource n.资源5.acre n.英亩6.rainforest n.雨林7.income n.收入,收益8.genetics n.遗传学9.genetically adv.从基因上,与基因相关10.pest n.害虫11.profit n.利润,收益12.chain n.一系列,一连串(人或事)13.breakthrough n.突破14.judgement n.判断力;看法,评价;(法律)判决15.conduct vt.实施;指挥乐队Ⅱ.写出下列汉语对应的英语单词(共15小题;每小题2分,满分30分)16.favour n.赞同,支持;帮助;偏爱→favourable adj.有利的,有帮助的,赞同的17.frighten vt.使惊吓,使惊恐→frightened adj.害怕的→frightening adj.令人害怕的18.modify vt.调整,修改;修饰19.insert vt.插入,嵌入20.profit vi.&vt.获益;对……有用21.permission n.准许,许可,批准→permit v.许可;n.许可证22.majority n.多数,大多数23.summary n.总结;概括,概要24.consideration n.仔细考虑;必须考虑的因素;体谅,顾及25.ordinary adj.普通的,一般的26.reliable adj.可信赖的,可依靠的27.accurate adj.准确的,精确的28.confirm vt.&vi.证实,证明;确认;使确信29.adopt vt.收养,领养;采用,采纳30.transform vt.使改变外观或性质(尤指向好的方向);使改变形态Ⅲ.写出下列短语或短语对应的汉语意思(共10小题;每小题2分,满分20分) 31.begoodfor对……有益32.infavourof赞同,支持33.pointofview观点34.meetone’sneeds满足某人的需求35.ratherthan而不是36.atafastpace以很快的速度37.beblamedfor因……而受责备38.defend...against...保卫……免受……39.belimitedto局限于40.haveaneffect/effectson对……产生影响/起作用Ⅳ.完成句子(共5小题;每小题4分,满分20分) 41.Noteverythingthatisbestfornatureisgoodforpeople.并非一切对自然来说是最好的就对人类有益。

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