人教版高中英语必修3单元测Unit49984.pdf

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1、必修 3 Unit 4 Astronomy:the science of the stars .单句填空 1.(2019全国,完形填空)Does Kilimanjaro deserve its reputation as a crowded mountain with lines of tourists ruining the atmosphere peace?2.(2019江苏,完形填空)So scientists are trying their best to save the species from going out of (exist).3.(2018江苏,33)Chinas s

2、oft power grows in line with the increasing appreciation and understanding of China (globe).4.(2018江苏,25)Developing the Yangtze River Economic Belt is a (system)project which calls for a clear road map and timetable.5.She gave me a hug and asked me to think about it.I was (puzzle).6.They were so dee

3、ply involved in the matter that they found it hard (pull)out.【答案】1.of 2.existence 3.globally 4.systematic 5.puzzled 6.to pull.单句改错 1.This is such interesting a film that I have seen it twice.2.Whether life will continue on the earth for millions of years to come will depend on if this problem can be

4、 solved.3.General speaking,he is a smart boy except his carelessness.4.The river is so polluted that we can see a lot of things being floating on the water.5.The storm came so violent that it ruined the whole crops.6.Teachers can help them learn to take risks in an atmosphere that they feel confiden

5、t about doing so.7.The new bridge is three times width of that one built last year.8.The twin brothers stood under the tree,puzzling,and said nothing.【答案】1.suchso 2.ifwhether 3.GeneralGenerally 4.去掉being 5.violentviolently 6.thatwhere 7.width 前加 the 8.puzzlingpuzzled.写作升级 根据提示利用本单元所学知识将下列句子连成一篇 80 词

6、左右的短文。1.很多青少年都对天文学非常感兴趣。(astronomy)2.他们梦想长大后成为天文学家。(astronomer)3.他们还希望能乘坐宇宙飞船到其他星球去,看看那里是否有生命存在。(spaceship;exist)4.让他们困惑的是怎样才能实现梦想。(puzzle)5.在我看来,他们必须经过系统的学习。(systematic)6.同时,他们必须尽可能地改善自己的身体状况。(physical)7.因为只有丰富的知识和良好的健康状况才能让他们的太空之旅成为可能。(make it possible to)【参考范文】Many teenagers are quite interested

7、in astronomy.And they dream to become astronomers when they grow up.In addition,they also hope to travel to other planets in a spaceship to find whether life exists there.However,what puzzles them is how they can have their dream realized.In my opinion,they must go through systematic learning.At the

8、 same time,they must try to improve their physical conditions.The reason is that having rich knowledge and good health makes it possible for them to travel into space.(链接配餐P27)(建议用时 35).阅读理解(来源:科学美国人)Tiny tubes and filaments(丝状物)in some Canadian rocks appear to be the oldest known fossils,giving new

9、 support for some ideas about how life began,a new study says.“The features are mineralized remains of what appear to be bacteria that lived some 3.77 billion to 4.28 billion years ago,”the scientists said.Those would be older than some other rock features found in Greenland,which were considered to

10、 be fossils last August.The new results come from examining rocks found along the eastern shore of Hudson Bay in northern Quebec.The filaments and tubes,made up of iron oxide(氧化铁)called hematite,appeared within a rock type called jasper.Matthew Dodd of University College London,an author of the stud

11、y published Wednesday by Nature,said the living things lived on the seafloor where water was heated by a volcano.“Since the fossils are nearly as old as the earth,which formed some 4.5 billion years ago,the finding supports previous indications that life may have begun in such an environment,”he sai

12、d.He and his colleagues presented several lines of evidence to support the idea that the filaments and tubes are signatures of past life.But two experts who had previously reported similar findings said theyre not convinced.“I would say they are not fossils,”Martin J Van Kranendonk of the University

13、 of New South Wales in Australia,who reported the Greenland findings last year,wrote in an email.“The papers evidence for a biological origin falls short,”he said.Abigail Allwood,a NASA geologist,said the authors have produced“one of the most detailed cases yet made”for evidence of life in rocks old

14、er than 3.5 billion years.“But its an extraordinary claim to make and you do need extraordinary evidence,”she said.1.According to Matthew and his colleagues,the tubes and filaments .A.stand for a rock type B.are as old as the earth C.represent human origin D.are early-life forms 2.What do Matthew,Ma

15、rtin and Abigail have in common?A.They are working in the universities.B.They accept the Greenland findings.C.They have been studying rock features.D.They have discovered the oldest known fossils.3.How does Martin feel about the new study?A.It confirmed the biological origin.B.It needs more to convi

16、nce people.C.It ignored the Greenland findings.D.It shouldnt have copied his evidence.4.Whats Abigail Allwoods attitude towards Matthews finding?A.Objective.B.Indifferent.C.Vague.D.Disapproving.【语篇解读】本文主要介绍了在加拿大发现的岩石特征,Matthew Dodd 和他的同事认为这是地球早期的生命迹象。但有科学家提出了反对意见,认为他们的证据不充分。【答案与解析】1.D 细节题。根据第1段中的som

17、e ideas about how life began,第4段中的the finding supports previous indications that life may have begun in such an environment 以及第 5 段中的 the filaments and tubes are signatures of past life 可知,他们认为 the tubes and filaments 就是早期的生命形式。2.C 细节题。根据第 4 段、第 6 段以及第 7 段内容的描述可知,他们三人都在进行岩石特征的研究。3.B 推断题。根据第 6 段内容可知,

18、Martin 对这项新研究表达了自己的观点,他认为 the tubes and filaments 不是化石,该研究证据不足。由此可推知,他认为该研究应提供更多强有力的证据。4.A 推断题。根据最后一段的内容可知,Abigail Allwood 既肯定了这一发现,又提出研究人员需要提供不一般的证据来证明这一发现。由此可知,她对这一发现持客观的态度。.阅读七选五 A number of factors contribute to making pre-bedtime media use far more damaging to kids than it is to adults.Its know

19、n that too much screen time can affect childrens quality of sleep.1 A group of researchers led by Monique LeBourgeois,found three main causes:Theres the influence of light.2 Light is our brain clocks primary timekeeper.Younger individuals have larger pupils(瞳孔),and their lenses(眼球的晶状体)are more trans

20、parent,so that their sensitivity to light is even greater than older individuals.Unluckily,many parents use digital media in the bedtime routine as a means of calming children down before sleep-clearly a bad idea.Read a book instead.3 Even adults can relate to this,but the feeling is even more inten

21、se for children.Whether its exposure to violent media,playing an exciting game or texting back and forth with friends,all these interactions can decrease sleepiness.This is where parents need to draw a line,limiting the online activity in the pre-bedtime hours and knowing exactly what the kids are w

22、atching or doing.4 Kids with constant access to hand-held devices will be used to using them,which results in less time for play and exercise,interacting(互动)with family,conversation,schoolwork,and,obviously,sleeping.5 These should be taken away before bed.A.Theres the excitement that comes with usin

23、g digital media.B.Using digital media means not spending time doing other things.C.Lack of sleep may result in many physical and mental disorders.D.But whats less understood is exactly why digital media affect sleep.E.Theres the conflict between sleeping and staying with the time-killer.F.Childrens

24、bodies are far more sensitive to light than adults bodies are.G.The problem is made worse when phones and tablets accompany kids into the bedroom.【答案】15 DFABG.语法填空 Astronomy,a natural science,is 1.study of objects such as stars,planets,and processes such as gamma ray bursts and evolution of such obj

25、ects.More 2.(general),its all phenomena that originate outside the atmosphere of the earth.Astronomy is the 3.(old)of the natural sciences.The early civilizations in 4.(record)history performed methodical observations of the night sky.During the 20th century,the field of professional astronomy was d

26、ivided 5.observational and theoretical branches.Observational astronomy is focused on acquiring data from observations of astronomical objects,which is then analyzed 6.(use)basic principles of physics.Theoretical astronomy is oriented toward the development of computer or analytical models to descri

27、be astronomical objects and phenomena.The two fields complement each othertheoretical astronomy seeks to explain the observational results and observations 7.(make)use of to confirm theoretical results.Astronomy is one of the few sciences 8.amateurs(业余爱好者)can still play an active role,especially in

28、the discovery and observation of temporary phenomena.Amateur 9.(astronomer)have made and contributed to many an important astronomical 10.(discover),such as finding new comets.【语篇解读】本文简单介绍了天文学的相关知识。【答案与解析】1.the 此处特指“对恒星、行星等物体的研究”,故填定冠词 the。2.generally 此处在句中作状语,故填所给词的副词形式。3.oldest 此处指“天文学是自然科学中最古老的”,

29、故填所给词的最高级。4.recorded 动词 record 和 history 之间存在逻辑上的动宾关系,故填所给词的过去分词形式作前置定语。5.into be divided into.“被分成”。6.using 此处用现在分词作状语,表方式。7.are made 根据语境可知,此处应该使用被动语态,并且应该用一般现在时,又因为主语是复数意义,故填are made。8.where 设空处所在句子是一个定语从句,先行词是 sciences,指物,且引导词在定语从句中作地点状语,故填关系副词 where。9.astronomers astronomer 意为“天文学家”,为可数名词,根据句子谓

30、语部分中的 have 可知,此处应填其复数形式。10.discovery 此处在句中作宾语,且 many a(n)虽然意为“许多”,但后接单数可数名词,故填 discovery。.短文改错 As is known by all,illnesses always bring pains and sufferings to humans,but doctors can help us get rid of it.They got trained to know the causes of different type of illnesses and the best ways to cure p

31、atients.Thats why doctors are highly respecting.I want to be a doctor in the future.Be a doctor,of course,is not easy because it requires difficult process of learning.However,I have faith in overcoming all the challenges and eventual realizing the dream.Also,I know how I should do now is to learn a

32、s much as possible,particularly chemistry and biology.To realize my dream of becoming a doctor,and I will spare no effort.【答案】As is known by all,illnesses always bring pains and sufferings to humans,but doctors can help us get rid of it.They got trained to know the causes of different type of illnes

33、ses and the best ways to cure patients.Thats why doctors are highly respecting.I want to be a doctor in the future.Be a doctor,of course,is not easy because it requires difficult process of learning.However,I have faith in overcoming all the challenges and eventual realizing the dream.Also,I know how I should do now is to learn as much as possible,particularly chemistry and biology.To realize my dream of becoming a doctor,and I will spare no effort.