2020-2021学年高中英语外研版（2019）必修第三册课后习题：UNIT 3　SECTION A　STARTING OUT & UNDERSTANDING IDEAS WORD版含解析.docx

1、高考资源网（） 您身边的高考专家Unit3TheworldofscienceSectionAStartingout&Understandingideas课后篇巩固提升基础夯实.单句填空1.I can work pressure and get along well with colleagues.答案under2.You are supposed to carry out the task (flexible).答案flexibly3.The mother desired her daughter (go) abroad for further study.答案to go或(should)go

2、4.It is not what you are given but how you make use of it determines who you are.答案that5.When he woke up,he found (he) surrounded by some strangers.答案himself.短语填空lead to,in terms of,as well as,start with, work as1.Almost every great love story and each big deal small talk.答案starts with2. study and h

3、ealth,we should develop a healthy life style.答案In terms of3.I am writing to apply to a volunteer for the activity.答案work as4.As my best friend,she shares my troubles my joys.答案as well as5.As is known to us all,hard work success.答案leads to.完成句子1.随着春天的到来,万物开始复苏。,everything begins to come to life.答案Wit

4、h spring approaching2.汤姆发现自己被中国文化深深吸引了。Tom finds himself .答案attracted by Chinese culture3.就是通过不懈的努力他才取得了重大的科学发现。he has made a great scientific discovery.答案It is by continuous efforts that4.就自然资源来说,它是世界上最贫困的国家之一。natural resources,it is one of the poorest countries in the world.答案In terms of5.毋庸置疑,我们有

5、能力养活我们自己。There is no doubt that we ourselves.答案are capable of supporting素养提升.阅读理解AMedha Gupta sometimes felt worried making the 20-minute walk from the corner where the school bus dropped her off to her home in Herndon,Va. especially during the colder months in winter.Her mother,Divya Gupta had a su

6、ggestion:write an app.She was half-kidding,but Medha took the challenge seriously.So she went to work.The result was Safe Travel,an app designed by Medha to help walkers feel more secure when travelling alone.Using the iPhone,a person can program it to send a warning to someone he or she trusts if h

7、e or she fails to arrive at a destination within a certain time.It was the first iOS app that Medha had created.While she didnt think much would come from the project,her effort caught the eye of judges for the annual Congressional App Challenge,who selected her as the winner for Virginias 10th Dist

8、rict.The App Challenge is designed to encourage students to consider careers in science,technology,engineering,and math by experimenting with coding and computer science.Winning students are invited to attend a reception on Capitol Hill in April and also received $250 in Amazon Web Service credits.M

9、edha said it took her about 40 hours to design,program and test the app.As for her next app?Medhas not certain.She temporarily has her app-development ambitions on hold because shes busy teaching herself artificial intelligence to help deal with improper words on Facebook.Yes,she knows that there ar

10、e teams of engineers probably doing the same thing.But she figures it cant hurt her own part,too.“If we see something wrong with the world,we should do something about it,”she said.“After all,the only one stopping us from doing something is ourselves.”【语篇解读】本文是一篇记叙文,主要讲述了MedhaGupta设计一款手机应用程序的经历。1.Wh

11、y did Medha Gupta feel worried?A.It took a long time to walk home.B.It was colder than ever in winter.C.It was unsafe to walk home alone.D.It was difficult to write an app.答案C解析推理判断题。根据首段的叙述和第三段首句可知,Medha有时候担心自己放学回家时的安全问题,因此她设计了应用程序SafeTravel,它能够使出行者独自外出时感觉更安全。2.What does the underlined phrase “on h

12、old” in Paragraph 6 mean?A.Delayed.B.Developed.C.Suspected.D.Satisfied答案A解析词义猜测题。根据画线词后的“becauseshesbusyteachingherselfartificialintelligencetohelpdealwithimproperwordsonFacebook”,再结合画线词前一句“Medhasnotcertain.”可推断出她暂时把程序开发的目标推迟了。.3.What is Medhas attitude to the challenge?A.Curious.B.Sensitive.C.Uncer

13、tain.D.Optimistic.答案D解析推理判断题。根据第二段“butMedhatookthechallengeseriously.Soshewenttowork.”可知,她很认真地对待这个挑战,并开始着手工作,这表明了她面对挑战时的乐观态度。4.Whats the main idea of the text?A.Medha registered for the App Challenge.B.Medha designed Safe Travel successfully.C.The App Challenge directs students to choose careers.D.A

14、n app guides walkers home.答案B解析主旨大意题。本文是围绕Medha设计一款手机应用程序SafeTravel展开的,讲述了她的设计初衷、过程以及成就。所以B项是最佳选项。BGetting stuck in a traffic jam is one of the most boring problems for people living in big cities.The fact that youre moving so slowly leads to stress,anger and the wish that your car could just fly ov

15、er the traffic like an airplane.Soon,however,that wish could come true.On May 8,US car-renting company Uber showed off what it described as “the transportation mode of the future:on-demand air transport”,reported ABCNews.According to Nikhil Goel,head of products for Uber Air,the companys air taxi se

16、rvice may launch test flights in the US cities of Dallas and Los Angeles,as well as Dubai in the United Arab Emirates,as early as 2020.If everything goes according to plan,passengers will be able to fly to work by 2023.When the Olympics comes to Los Angeles in 2028,Uber “expects to have hundreds,if

17、not thousands,of its aircraft in the skies,” Goel told Newsweek.So what would Ubers flying vehicles be like?They are small,electric aircraft that take off and land vertically(垂直地),and they give off zero emissions (排放物) and are quiet enough to operate in cities.Just like an airplane,the vehicles will

18、 have fixed wings to help them glide.But while a helicopter has just one big fixed rotor (旋翼),Ubers vehicles will have multiple rotors,which will help increase efficiency (效率) while reducing emissions and noise.Because of these fixed wings and multiple rotors,Ubers flying taxis “should be quieter an

19、d safer than a helicopter”,reported ABCNews.However,the service still has a long way to go before its ready to accept passengers.For example,to avoid any potential accidents,Uber is working with NASA to study air traffic control problems associated with low flying aircraft.But just as an expert comm

20、ented,“This programme is revolutionary and future-oriented (面向未来的).”【语篇解读】本文是一篇说明文。文章主要介绍了美国优步公司最新研制的飞行出租车计划将于2023年开始载客。它比直升机更安全、噪音更小;最重要的是,它非常环保,几乎不会对环境造成污染。5.Ubers flying taxis are expected to start to take passengers in .A.2020B.2023C.2028D.2030答案B解析细节理解题。根据第三段最后一句可知,如果一切顺利的话,优步公司研制的飞行出租车将于2023年开

21、始载客,故选B项。6.How are Ubers flying taxis different from helicopters?A.They have one big rotor.B.They need more fuel to fly.C.They have fewer fixed wings.D.They should be quieter and safer.答案D解析细节理解题。根据倒数第二段中的“.Ubersflyingtaxisshouldbequieterandsaferthanahelicopter”可知,优步公司研制的飞行出租车比直升机更安全、噪音更小,故选D项。7.Whi

22、ch is TRUE about the flying cars according to the passage?A.They can be as efficient as airplanes and helicopters.B.They must grow in larger numbers in a few years.C.They nearly do no harm to the environment.D.They will surely help passengers avoid accidents.答案C解析细节理解题。根据第六段内容可知,优步公司研制的飞行出租车可以做到零排放,

23、几乎无污染,故选C项。8.What is the passage mainly about?A.Ubers plan to launch flying taxis.B.The advantages of Ubers flying taxis.C.Different opinions about Ubers flying taxis.D.The difficulties Uber is facing in testing flying vehicles.答案A解析主旨大意题。通读全文可知,本文主要介绍了美国优步公司最新研制的飞行出租车计划将于2023年开始载客,故选A项。.七选五Self-dri

24、ving cars are believed to be the future of driving.Companies including Toyota,Uber and Google are all competing to be the first to bring them to the market.However,carmakers need to solve one problem first:1 Most drivers today use gestures to show their intentions.They wave a car into a lane,or nod

25、at passers-by and cyclists,to let them cross.2So what can they do?US carmaker Ford and its partner Virginia Tech think they have the answer,according to Business Insider.3For example,if a driverless car is giving way,it could flash two white lights side to side.A solid white light would tell people

26、nearby that there are no humans in the car.A slow blinking light would show the car is coming to a stop.4To test the method on real roads,the team designed a special suit that looks exactly like a car seat.When a driver wears it,it looks like the car is driverless.The team successfully collected mor

27、e than 1,500 hours of data after about 2,900 kilometres of “self-driving” through busy cities.5Ford says it plans to share the data with 11 other carmakers,according to DOGONews.Ford hopes that in the future,every carmaker will use the same system of signals.A.But self-driving cars dont have this ab

28、ility.B.Its a test for the companys self-driving technology.C.The data recorded how people interacted with a driverless vehicle.D.How driverless cars communicate with passers-by,bikers and other drivers?E.A rapidly flashing light would tell passers-by that a car is about to speed up.F.More than one-

29、third of them are worried about the safety of self-driving cars.G.The team is testing the method that uses light signals to show what self-driving cars are.答案与解析【语篇解读】本文是一篇科技报道说明文,向读者介绍了无人驾驶车辆如何利用灯光和周围的人与物以及其他司机进行沟通。1.D第一段是全文的总领,下文主要介绍了无人驾驶车辆如何与过路人以及其他司机进行沟通。2.A上文提到,大多数司机可以用手势来向他人示意。下文中又指出“Sowhatcantheydo?”,故可推断此处是将无人驾驶车辆与大多数司机进行比较,空格处是指无人驾驶车辆没有这项技能。3.G根据本段内容可知,本句是本段的主题句,且上下文谈论的是无人驾驶车辆利用灯光信号与周围的人进行沟通。4.E空格处上一句讲的是慢闪灯的示意,故可知此处是与上文慢闪灯做比较。5.C空格处承接上文,进一步解释了这些数据是记录人们怎样与无人驾驶车辆进行互动交流的。- 5 - 版权所有高考资源网