1、Unit 3 ComputersPeriod ThreeLearning about Language & Using Language基础巩固.单词拼写1As is known to all，traffic signals(信号) tell drivers and pedestrians when to stop and go.2Never ask a lady about her age.Such a personal(私人的) question is very likely to offend(冒犯) her. 3Someone who trains a person or team i
2、n sport is a coach(教练)4Although some problems arose(出现) in the process(过程)，we managed to solve them.5She is the same with her sister in appearance but not in character(性格)6You can download(下载) the software for free from the Internet.7Youd better use the electronic(电子的) calculator to get the total nu
3、mber.8Square dancing is a type(类型) of dance popular with the middleaged and the elderly in China.选词填空have.in common， go by， deal with， in a way， as a result，from then on， after all， watch over9Will you please watch over my child while I am out？10Those two brothers not only look alike，but also they h
4、ave a lot in common.11Look! Little Tom is in tears.Dont scold him.After all，he is only a boy of six.12There are many difficulties to deal with when starting a new business.13In a way losing the job is not a bad thing.It wont be long before another chance arises.14As time goes by，the mobile phone bec
5、omes thinner and thinner，but its memory becomes larger and larger.15I dont want to waste a second，and as a result，Ill make a plan and have a strict schedule.16My brother took me to a rock concert when I was 8 years old.From then on，I fell in love with rock music.单句语法填空17Could I leave early this afte
6、rnoon and make up the time I lost later？18Believe it or not，cancer arises from one single cell.19We were talking about the TV play，and his sudden appearance(appear) stopped our conversation.20We thought he was serious but in reality(real) he was joking.21The invention would have a wide application(a
7、pply) in industry.22Dressed in fashionable clothes，she looks totally(total) different，like a movie star.23By the end of last year，70% of the goods had been sold(sell) out.24The poor boy stood there alone feeling(feel) very lonely.句型转换25You mustnt put the chair in the middle of the way.The little chi
8、ldren will fall over.Dont put the chair in the way.The little children will fall over.26I really dont know what to do with this problem without your help.I really dont know how to deal with this problem without your help.27Neighbours were able to rescue the children from the big fire using a ladder.
9、With the help of a ladder，neighbours were able to rescue the children from the big fire.28When she was shopping at the market，she met Jim by chance.While shopping at the market，she met Jim by chance.29No matter when we run into new words，we may refer to the dictionary.Whenever we run into new words，
10、we may refer to the dictionary.能力提升.阅读理解AYou might think people all over the United States have WiFiwireless Internet serviceand mobile phones.But there is no such service in Green Bank，West Virginia，a tiny town four hours from the US capital，Washington DC.Fewer than 150 people live in Green Bank，wh
11、ich has two churches，an elementary school and a public library.It is also home to the largest radio telescope in the world.There is a ban(禁令) on WiFi in Green Bank，along with anything else that can create electromagnetic(电磁的) waves.Officials say the waves could disturb the signals the telescope rece
12、ives.For many Americans，a visit to Green Bank is a little like returning to the 1950s.To get there，you must read road signs because there is no GPS service in the town.People can connect with the Internet through telephones，but wireless service is not allowed.The observatory(天文台) is one of the large
13、st employers in the area.The National Science Foundation (NSF) spends about $8.2 million a year to operate the observatory，telescope and educational center.Jonah Bauserman is a technician.If he supposes there is a signal that is not allowed in the zone，he drives to the house where the signal is comi
14、ng from and checks it.But once a week，when the device is cleaned，some banned devices are allowed near it.People in the town respect the work of the scientists.And they say they are happy to live without WiFi and mobile phones.“You know，instead of sitting here with our phones and other devices were o
15、ut fishing，hunting and going to each others houses.” Everyone knows each other and communication is almost always face to face.语篇解读文章主要介绍了一个没有手机和WiFi的美国小镇。30What will you see when you pay a visit to Green Bank？AGPS service. BGuide posts.CCellphone towers. DRadiocontrolled toys.答案B解析细节理解题。由第三段第二句“To
16、get there，you must read road signs because there is no GPS service in the town.”可知，当你去Green Bank参观时，你会看到路标。guide posts与road signs同义，意为“路牌，路标”。故选B。31What is Jonah Bausermans duty in his work？AFollowing signals from cellphones.BCleaning the telescope once a week.CListening for signals from outer space
17、.DProtecting the telescope from being affected.答案D解析推理判断题。由第五段的内容可推知，Jonah Bauserman的工作是保护望远镜不受其他信号的干扰。故选D。32What has the telescope brought to the local people？AGreat wealth.BMany job chances.CA healthier lifestyle.DMuch difficulty in life.答案C解析推理判断题。由最后一段内容可知，没有无线网络和手机，人们就去钓鱼、打猎、相互串门。人们相互了解，面对面地进行交
18、流，生活方式更健康。故选C。33What may be the best title for this text？AAn American Town Without WiFi and Mobile PhonesBGood Relationships Between People in an American TownCThe Largest Radio Telescope in the WorldDA Better Life Without Wireless Devices答案A解析标题归纳题。通读全文可知，这篇文章主要介绍了一个没有手机和WiFi的美国小镇。故选A。BIn some scie
19、ncefiction movies，robots refuse to die no matter how hard people fight back.Now，it has turned into a fact.For the first time，researchers have created a robot that can take a beating and keep on working.Developed by scientists from Cornell University and the University of Vermont，the new robot looks
20、like a spider with four legs.Until now，even the most advanced robot was almost certain to break down when damaged.Thats because its computer inside doesnt know how to operate the machine after its shape has been changed.To solve this problem，the scientists put some sensors(传感器) into the machine.The
21、sensors can read how the machine is working and send signals to the computer.Using this information，the system follows a new way to tell the machines shape at any given moment.The computer considers a lot of possible next steps，and it calculates how to best move the robot forward the longest possibl
22、e distance，before trying to move it again.The new technology is a big advance in robotics(机器人技术)，scientists say.It may someday help scientists create better artificial arms and legs and give new freedom to people who lose them.The new knowledge might also help scientists understand how people and an
23、imals tell their own sense of place in space.“Designing robots that can fit changing environments has been a difficult problem，” says scientist Olaf Sporns of Indiana University.“This work provides a new way toward solving this important problem.”语篇解读文章讲述了为了解决机器人一旦被毁坏就不能工作的问题，科学家在机器人里面放了几个传感器，这项新技术还
24、能帮助科学家发明出更好的假肢。34Why do robots easily break down when they are damaged？AThey cannot repair themselves.BThe computer has changed a lot.CThey have nothing special to protect themselves.DThe computer cannot operate a changed robot.答案D解析细节理解题。根据第二段可知，机器人被毁坏后就很容易发生故障，是因为如果机器人的外形改变了，它内置的电脑就不知道如何操作了。故选D。35
25、How do the sensors in the robot work？AThey can replace the computer when its broken.BThey can find out where the damage comes from.CThey help the computer learn the robots condition.DThey can send signals to the person who uses the robot.答案C解析细节理解题。根据第三段可知，传感器能够帮助电脑了解机器人的情况。故选C。36The underlined word
26、 “them” in Paragraph 5 refers to “ ”Arobots Barms and legsCsensors Dscientists答案B解析代词指代题。画线词所在句句意为：或许有一天机器人能够帮助科学家发明出更好的假肢，帮助那些失去了胳膊和腿的人重新获得自由。由此可知，them指代的是arms and legs。故选B。37What does Olaf Sporns think of the new robot？AHe does not express his opinions clearly.BHe doubts if it can work well in rea
27、l life.CHe thinks it is a great development in robotics.DHe thinks more experiments are needed to test it.答案C解析推理判断题。根据最后一段可推知，他认为这项新技术是机器人技术的一大发展。故选C。.七选五The smartphones that can take selfies(自拍) have become popular.However，according to recent news reports，the love for taking a beautiful selfie has
28、 killed 12 people this year. 38 While the problems have been known for a while，they didnt catch peoples attention until the death of Hideto Ueda at Taj Mahal in India.Hideto Ueda was trying to take a selfie with his friends when they fell off some stairs.He hurt his head badly and passed away soon.O
29、ther serious accidents include a Russian woman who fell off a bridge when she was trying to take an exciting selfie.Three Indian students suffered a similar fate after they were run over by a train while taking a selfie on the railway tracks. 39 So they could have been avoided. 40 In July，the Russia
30、n government began a program in the country to alert(警告) its young citizens to the danger of this hobby.The campaigns slogan was “Even a million likes on social media are less important than your life and healthy body.”Many countries are banning the tool that has contributed to the rise in injuriest
31、he selfie stick！Many museums and theme parks including Disney support the governments decision. 41 The West Japan Railway became the first in the world to give up the sticks both inside Japans trains and out on the railway.While the action may help reduce the incidents，the only way to stop taking se
32、lfies related injuries and deaths is that everyone should take responsibility. 42 So the next time you or your friends decide to take a selfie that appears a little risky，be sure to stop and ask yourselfis it worth it？APlease keep off smartphones.BAll of them came from carelessness.CThey have no per
33、mission to use selfie sticks.DIt is not just for themselves，but also for their friends.ESo some believe that capturing the “ultimate” selfie is causing people to take unnecessary risks.FTo solve the danger taking selfies brings，officials are taking action.GGovernments start ordering the public to gi
34、ve up selfie sticks.语篇解读自拍已经成为一种时尚潮流，人们通过智能手机可以抓拍自己的美好瞬间。然而，自拍却潜藏着危险。38答案E解析上文讲述了今年已有12人因用手机自拍而死亡，E项承接上文，构成因果关系。39答案B解析设空处总结了上文自拍致死事件都是不小心造成的，因此它们本是可以避免的，故选B项。40答案F解析下文以俄罗斯政府展开的活动为例，说明政府官员在想办法避免自拍带来的危险，故F项符合语境。41答案C解析上文提到许多博物馆以及主题公园都通过实际行动来支持政府的措施，C项“它们不允许使用自拍杆”正好与支持政府的措施相呼应。42答案D解析上文提到阻止自拍带来伤害和死亡的唯
35、一办法就是每一个人都负起责任。D项承接上文，进一步指出这样做不仅仅是为了他们自己，也是为了他们的朋友。.微写作写作素材(关于机器人)1杰克是一名工程师，想研制自己的机器人。2它将具有人工智能并有人的外表。3杰克不在家时，它能看守他的房子。4它帮他处理他的私事。5他希望这会变为现实，在它的帮助下，生活会变得更便利。提示：黑体部分用本单元词汇表达。补全短文Jack，who is an engineer，intends to develop his own 43.android with 44.artificial intelligence and human 45.appearance.It can not only 46.watch over his house when he is out but also 47.deal with his 48.personal affairs.He hopes it will turn into a 49.reality and 50.with the help of it，life will be much more convenient.