2021_2021学年新教材高中英语Unit3EnvironmentalProtectionSectionBLearningAboutLanguage习题含解析新人教版选择性必修第三册.docx

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1、UNIT3ENVIRONMENTALPROTECTIONSectionBLearningAboutLanguage课后篇巩固提升基础夯实.单词拼写1.400,000 square kilometres of the Amazon b have already been deforested.答案basin2.The novel presents one aspect of the (改革) in the countryside.答案reform3.Some children (经历) a complete transformation when they become teenagers.答案

2、undergo4.He is friendly and (幽默的),and what he says can always please us as well.答案humourous5.If you want to apply for the job,you must s your application before January 1st.答案submit6.The market has shown (每年的) growth of 20 percent for several years.答案annual7.Whatever troubles arise,well have peace o

3、f mind amidst seeming (混乱).答案chaos8.It is assumed that women are normally more (敏感的) than men.答案sensitive.短语填空in search of,die out,known as,bring about,on behalf of,lead to,as well as,link . to1. my school,Im writing to invite you to visit the paper-cutting exhibition to be held in our city.答案On beh

4、alf of2. Chinas largest nature reserve,Changbaishan is a wonderful tourist attraction.答案Known as3.Rescue workers are digging through the ruins other victims.答案in search of4.Educated people may be surprised to find 200 years ago people didnt illness problems in the environment.答案link;to5.The inventio

5、n and the use of the computer have great changes in the society.答案brought about6.Since human appeared in the world,thousands of kinds of animals have .答案died out7.Studying babies play may a better understanding of science.答案lead to8.As we can see,some theme parks are amusing educational.答案as well as

6、.把下列句子变为间接引语。1.The teacher said to me,“Is this your dictionary?”The teacher asked me dictionary.答案if that was my2.He said to me,“I saw Bob play the piano last Friday.”He told me Bob play the piano .答案he had seen;the Friday before3.Mary asked me,“Have you seen the film Titanic?”Mary asked me the film

7、 Titanic.答案if I had seen4.He said,“Im afraid I cant finish the book in a week.”He said that afraid finish the book in a week.答案he was;he couldnt5.I asked Tom,“How long have you been employed at this job?”I asked Tom how long employed at job.答案he had been;that6.Mum said to me,“How do you deal with th

8、e disagreement?”Mum asked me with the disagreement.答案how I dealt7.The doctor said to us,“Give blood if you can and many lives will be saved.”The doctor blood if we could and many lives would be saved.答案told us to give8.“Look through your test papers carefully before handing them in,” the teacher sai

9、d.The teacher through our test papers carefully before handing them in.答案told us to look9.Tom said to Mary,“Dont leave your keys on the table.”Tom asked Mary keys on the table.答案not to leave her10.“Lets go to the concert in the Peoples Stadium this evening,” Tom said.Tom to the concert in the People

10、s Stadium that evening.答案suggested going素养提升.阅读理解主题语境:人与自然语篇类型:说明文难度:Over a hundred years ago in 1911,something strange was found in the glaciers of Antarctica.Grilffith Tayloran Australian geologist,had discovered a blood red stream pouring out of the ice cascades (瀑布) of Taylor Glacier!Popularly k

11、nown as the Blood Falls,scientists had not been able to find the reason behind the blood red liquid flowing through the iceuntil recently.The mystery of the Blood Falls had finally been solved.When these falls were first discovered,scientists had believed that the red colour came from a large amount

12、 of red algae (海藻) concentrated in the water.Red algae contain a pigment (色素) which reflects red light,making the algae appear red.This theory made sense,until it was later found that algae do not play a part in the red color of the flowing liquid at all.What really causes Taylor Glaciers waters app

13、ear blood red,is the presence of iron oxide in the liquid.The waters of the blood falls are rich in salt and iron content,and when this water comes in contact with the air,it turns redjust like rust!The water in these falls is often referred to as “brine” by scientists because of the high salt conte

14、nt in the water.This reasoning behind the red colors of the falls was found back in 2003.However,the entire mystery had not yet been solved.How is it then,that the Blood Falls are not frozen?Researchers at the University of Colorado and University of Alaska found that inside the glacier,there was a

15、network of channels and reservoirs that move the water around.Salt water has a lower freezing temperature.In addition,when any substance undergoes a change in state,it gives off heat.Therefore,the brine actually warms itself up while its freezing!How this works,is that when the brine is flowing thro

16、ugh the Taylor Glacier,some of it does freeze.As a result of changing state from liquid to ice,the brine gives off heat.This heat is enough to keep the rest of the brine in liquid form,which is why it flows out of the glacier.Incredible new chemistry facts found,and mystery solved!【语篇解读】1911年,澳大利亚地质

17、学家在南极洲的冰川中发现了一些奇怪的东西血瀑布。众所周知,科学家一直无法找到冰川中的红色液体不结冰的原因。直到最近,血瀑布的秘密终于被揭开了。水中富含盐和铁,当水接触空气时,就会像铁锈一样变红,因为盐分很高,所以不结冰。1.According to the text,the red algae theory was once considered .A.ridiculousB.reasonableC.impracticalD.complex答案B解析推理判断题。根据第三段第一句“Thistheorymadesense,untilitwaslaterfoundthatalgaedonotplay

18、apartintheredcoloroftheflowingliquidatall.”可知,这个理论是有道理的,直到后来才发现海藻在流动的红色液体中不起作用。由此判断B项正确。2.Why does the Blood Falls look red in colour?A.Because there is too much salt and iron in its water.B.Because its liquid is rich in red algae.C.Because the flowing liquid reflects red sunlight.D.Because the air

19、is thin and rare in Antarctica.答案A解析细节理解题。根据第三段的第三句可知,因为血瀑布富含盐分和铁,当水接触空气时,就会像铁锈一样变红。3.What is the main reason for the Blood Falls not freezing?A.The water continued flowing constantly.B.There is too much salt in the water.C.The brine gives off heat while freezing.D.Temperatures arent high enough for

20、 flowing water.答案C解析细节理解题。根据第五段最后一句可知,当由液态向冰态变化时,盐水放出热量。这种热量足以使其余的盐水保持液态,这就是它不结冰的原因。4.What is the passage mainly about?A.The discovery of the blood glacier.B.The birth of the Taylor Glacier.C.The flowing red water in Antarctica.D.The mystery of the Blood Falls.答案D解析主旨大意题。通读全文可知,1911年澳大利亚地质学家在南极洲的冰川中

21、发现了血瀑布。众所周知,科学家一直无法找到冰川中的红色液体不结冰的原因。直到最近,血瀑布的秘密终于被揭开了。D项“血瀑布之谜”最能概括文章的内容,体现文章的主旨。.七选五主题语境:人与自然语篇类型:说明文难度:Are you worried about our earth?Do you want to do what you can to save it?1 It may seem like the actions of one person wont make a difference,but there are actually many ways you can help.Here ar

22、e some of them.Turnitoff.Turn off anything that uses electricity when not in use.2 If you leave your television on or dont turn off lights,it wastes electricity.Remember to turn things off when you dont need them.Startrecycling.Its not just paper,plastic and glass that can be recycled clothes can be

23、,too.3 Its good for the environment and youll get a new look for free!4You dont have to travel far to get what you need,and products dont have to travel far to get to you,either.Shop at farmers markets and buy food that was produced as close to your home as possible.And when youre online shopping,tr

24、y to find things that wont have to travel long distances.Savewater.If you dont let the water run when youre brushing your teeth and take showers instead of baths,you will be using less water and less energy but youll still be just as clean!5 Use a method that requires less water to get the dishes cl

25、ean.A.Buy things nearby.B.Think before you eat.C.Its hard to know where to start.D.Turn short jeans youve grown out of into shorts.E.Also,dont wash dishes with the water running continuously.F.This goes for lights,televisions,computers,printers,and so on.G.Bring a reusable water bottle with you when

26、 travelling or at work.答案与解析【语篇解读】本文是说明文。文章介绍了几种保护环境的方法。1.C根据下文中的“butthereareactuallymanywaysyoucanhelp”可知,C项“Itshardtoknowwheretostart”在语意上和上文构成转折关系。2.F根据上文中的“electricity”和下文中的“television;lights”可知,F项中的“lights,televisions,computers,printers”与之相呼应。3.DD项中的“jeans”和“shorts”呼应上文中的“clothes”。且D项表达的内容符合上文中提到的canberecycled。4.A根据下文中的“donthavetotravelfar”和“asclosetoyourhomeaspossible”可知,A项中的“nearby”与之相呼应。5.EE项中的“washdishes”呼应下文中的“getthedishesclean”。且E项中的“dontwashdisheswiththewaterrunningcontinuously”和上文中的“youdontletthewaterrunwhenyourebrushingyourteethandtakeshowers”构成并列关系,E项中的Also承接上文。