1、Unit 3 The world online课时分层作业(七).单词拼写1Adam pressed a button(按钮)and waited for the lift.2Whats her recipe(秘诀)for success?3I was amazed at the extent (程度，范围)of his knowledge.4She won the election by a clear majority(多数票).5Money can be exchanged for goods (商品)or services.6The president will deliver (发表
2、)a speech about schools.7The school has established(确定，建立)a successful relationship with the local community.8She made helpful comments (评论)on my work.9As far as Im aware(知道)，nobody has done anything about it.10Will the software (软件)run on my machine?.阅读理解ADo you like shopping？Or does the thought of
3、 wandering round the shops fill you with terror？For some of us，shopping is an enjoyable way of spending our spare time and our money.For me，its something I would rather avoid.Thank goodness for theInternet! Its more convenient to buy CDs，electrical items， Showroomingand even food from the comfort of
4、 your sofa.But thats not the only reason：price is an important factor.We can buy goods and services cheaper online.But sometimes the problem is knowing what to buy.This has led to a type of shopping called “showrooming”Showrooming is something Ive done.I will go to a shop to see，touch and try out pr
5、oducts but then go home and buy them online at a knockdown price.Im not alone in doing this.Research by a company called Foolproof，found 24% of people showroomed while Christmas shopping in 2013.Amy Cashman，Head of Technology at TNS UK，says the reasons for this new shopping habit are that “people ar
6、e lacking time，lacking money and they want security about the products they are buying”She explains that consumers are not only shopping online at home but they are using the Internet in store or on their smartphones to shop around.But does this mean technology will kill shops？Certainly shops will c
7、hange.They will have to offer more competitive prices or encourage people to buy more by giving instore discounts or free gifts.We mustnt forget that buying in a shop means you can get expert advice from the sales assistant and you can get good aftercare.Its good to speak to a real human rather than
8、 look at a faceless computer screen，but at least by showrooming，you get the best of both worlds!【语篇解读】本文介绍了一种新的购物方式Showrooming。作者就这一现象以及网上购物对商场的冲击进行了分析，指出商场必须做出改变来迎接这一挑战。1The two questions in paragraph 1 are raised to_A.introduce the topicBgive two examplesCcompare different opinionsDget answers fro
9、m readersA推理判断题。本文的内容是介绍网上购物，由此可知，作者在文章开头提出的问题只是起到引出话题的作用。故选A。2What does showrooming mean in the text?ATrying in shops and buying online.BShowing products in a room.CBuying something in a store.DShopping on the Internet.A细节理解题。根据第二段前两句可知，showrooming指的是去实体店看或者试用商品，然后去网上购买。故选A。3What can be inferred fr
10、om paragraph 4?AOnline shops will disappear.BFree gifts will surely promote sales.CShops need necessary changes.DShops will be replaced by online shops.C细节理解题。根据第四段的“Certainly shops will change.by giving instore discounts or free gifts.”可知，商场不会因为网购增多而倒闭，但是商场确实是需要一些改变。故选C。BYou might think people all
11、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，D.C.Fewer than 150 people live in Green Bank，which has two churches，an elementary school and a public library.It i
12、s 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 receives.For many Americans，a visit to Green Bank is a little like return
13、ing 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 largest employers in the area.The National Science Foundation(NSF)spends ab
14、out $8.2 million a year to operate the observatory，telescope and educational centre.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 coming from and checks it.But once a week，when the device is cleaned，some ba
15、nned 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 out fishing，hunting and going to each others houses.” Everyone knows each
16、 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。4What will you see when you pay a visit to Green Bank?AGPS service.BGuide posts.CCell phone towers.DRadiocontrolled toys.B细节理解题。由第三段第二句“To get there，you must read road signs because there is no GPS service in the to
17、wn.”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。5What is Jonah Bausermans duty in his work?AFollowing signals from cell phones.BCleaning the telescope once a week.CListening for signals from outer space.DProtecting the telescope from being affected.D推理判断题。由第五段的内容可推知，Jonah Bause
18、rman的工作是保护望远镜不受其他信号的干扰。故选D。6What has the telescope brought to the local people?AGreat wealth.BMany job chances.CA healthier lifestyle.DMuch difficulty in life.C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，面对面地进行交流，生活方式更健康。故选C。7What may be the best title for this text?AAn American Town Without WiF
19、i and Mobile PhonesBGood Relationships Between People in an American TownCThe Largest Radio Telescope in the WorldDA Better Life Without Wireless DevicesA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。.阅读七选五Battling another cough or cold？_1_ You may feel better if you take a daily walk or follow a simpl
20、e exercise routine a few times a week.Exercise helps decrease your chances of developing heart disease.It also helps keep your bones healthy and strong.We do not know exactly if or how exercise increases your immunity(免疫)to certain illnesses.There are several theories._2_ Some of these theories are
21、as follows：Physical activity may help move bacteria(细菌)out of the lungs and airways._3_The brief rise in body temperature during and right after exercise may prevent bacteria from growing.This temperature rise may help the body fight against infection(传染)better._4_ Some stress increases the chance o
22、f illness.Lower stress hormones(荷尔蒙)may protect against illnesses.Exercise is good for you._5_ Studies have shown that people who follow a moderately(适度地)energetic lifestyle，benefit most from starting and sticking to an exercise program.So go ahead，take an aerobics class or go for a walk.You will fe
23、el better and healthier for it.AFeeling tired all the time?BHave you taken a walk today?CHowever，you should not overdo it.DHowever，none of them have been proven.EExercise slows down the release of stress hormones.FPeople should not exercise more just to increase immunity.GThis may reduce your chance
24、 of getting a cold or other illnesses.【语篇解读】这是一篇说明文。文章讲述了运动对身体的各种好处。1A由上一句“咳嗽还是感冒？”可知，承接上文，A选项“一直感觉累吗？”切题；前后两句都是关于身体不适的问句，后文引出了对运动好处的介绍，语意连贯。故选A项。2D由上两句“我们不清楚运动是否或如何增强你对某些疾病的免疫力。有几种理论。”可知，承接上文，D选项“然而，这些都没有得到证实。”切题；该选项中的“none of them have been proven”对应上文中的“We do not know exactly if or how exercise i
25、ncreases your immunity(免疫)to certain illnesses.”，该选项中的“them”对应上文中的“several theories”。故选D项。3G由上一句“体育锻炼可能有助于将细菌从肺部和呼吸道排出。”可推断出，肺部和呼吸道细菌少，人就少感冒/得其他疾病，承接上文，G选项“这可能会减少你患感冒或其他疾病的机会。”切题。故选G项。4E由下两句“一些压力增加了患病的概率。较低压力的荷尔蒙可以预防疾病。”可知，承接下文，E选项“运动会减缓压力荷尔蒙的释放。”切题；该选项中的“slows down the release of stress hormones”对应下文中的“Lower stress hormones”。故选E项。5C由下一句“研究表明，遵循适度精力充沛生活方式的人，从开始和坚持锻炼计划中受益最大。”可知，承接下文，C选项“但是，你不应该过度。”切题；该选项中的not overdo it对应下文中的moderately。故选C项。