2019版高考英语一轮课时提升作业：八必修2Unit3Word版含答案

1、课时提升作业丿八必修 2 Unit 3 Computers（限时35分钟）I 阅读理解AGoldfish have pretty boring lives, so maybe it s 右：庐 a good thing they can only concentrate for ninesec on ds! But accord ing to new research, huma ns are beco ming like goldfish. Our attention span（时长）is getting shorter and it s all becauseof tech no logy

2、.“ We move quickly from one site to another on the web,” says DTed Selker, a computer scientist from Massachusetts, “ Andwe are losing the ability to concentrate. ” With millions of websites to choose from, the atte ntio n spa n of the average Internet user is just sec on ds.There are other digital

3、distractions（使人分心的事）too: emails, instant messag ing and quickie movies on websites.Some people are worried about the effect on young people. “ Youneed time to understand and think about what you read,” says Julia from London. “ Young people search the net all the time and their brains become full of

4、 useless information but there is no time to make sense of it.I am trying to persuade my pupils to read more books, so that theyOther teachers are trying more unu sual methods to improve stude nts concentration. Anne Savan, from Wales, was so worried about her students that she started playing Mozar

5、t during her science lessons. She says that it had an amaz ing effect, “ The music made them calmer,a nd their concen trati on was much better.”But not every one believes that there is a problem. Ray Cole, an educational psychologist says, “ Onthe web, young people learn to make quick decisions abou

6、t what is and isn t worth reading. They mightlook at five unhelpful websites very quickly, before stopping and reading a sixth useful website more carefully. In a world with so much in formati on available, this is an importa nt skill.”【文章大意】本文是一篇议论文。随着科技的发展，人们将大量时间 花在浏览网站上，快速不断地浏览网站使人们的注意力时长越来越 短；但

7、是有人认为，浏览网站可以提高年轻人的判断能力。1. Why does the writer mention“ goldfish ” ?A. To an alyze data.B. To in troduce a topic.C. To settle problems.D. To suggest a way out.【解析】选B。推理判断题。文章第一段第一句说金鱼只能集中九秒钟的注意力；结合第一段的第二句“Butaccording to new research,humans are becoming like goldfish.可知，人们正变得像金鱼一样。接 着文章提出中心论点：由于技术（应用

8、）,我们的注意力时长变得越来 越短。据此可以判断，作者用金鱼的例子是为了引出文章主题。2. What may cause a shorter attention span according to Dr. Ted Selker?A. Skipp ing on the In ter net.B. Time to digest in formati on.C. Traditi onal methods of readi ng.D. Making decisi ons.【解析】选A。推理判断题。根据第二段的“We move quickly from one site to another on th

9、e web. . . And we are losing the ability to concentrate. ”可知，Ted Selker认为，由于快速浏览网站，人们正在丧 失集中注意力的能力。3. What will help students overcome a short attention span?A. Receivi ng emails.B. Text ing messages.C. Readi ng more books. D. Watchi ng quickie movies.【解析】选C。细节理解题。根据第三段的最后一句可知，阅读更多的书将有助于学生克服注意力时间短的问

10、题。4. What is Ray Cole s attitude towards looking through websites quickly?A. Cautious. B. Un favorable.C. Skeptical. D.Supportive.【解析】选D。推理判断题。根据最后一段的“But not everyone believes that there is a problem. . . On the web, young people learn to make quick decisions about what is and isn t wo知,refeHyrCo l

11、e认 ”为年轻人快速浏览网站可以提高自己快速判断的能力；据此可判断，Ray Cole对快速浏览网站持支持态度。During the day, Mike Kosciuk teaches students at De La Salle Collegiate High School in Michiga n. However, in the eve nings and on weekends, Mike provides instruction on Tutor. com. Not only does he teach students math from 9th grade through col

12、lege level, he also teaches other on li ne teachers how to improve their teach ing. Recog ni zed as a leader in online teaching, Mike was the February 2010 Tutor of the Month for Tutor. comChrissy Markley is one of many online teachers who are taking virtual learning to the lower grades. At Arizona

13、Connections Academy, an on li ne public school, Chrissy teaches 7/8th Grade Gifted Lan guage Arts and 9th Grade Language Arts. Once a 6th grade teacher in a traditi onal public school area, Chrissy enjoys teachi ng in the virtual classroom. Recognized as an excellent teacher, she was named the schoo

14、l s 2011 Teacher of the Year.Having ten years experie nee in on li ne teachi ng, Jody Shine bega n teachi ng with Dave nport Un iversity. When she was asked to teach on li ne, she was skeptical at first. “ I feared something would be lost in the give and take of classroom discussion, ” Jody said. “

15、Nowl know online teachi ng allows stude nts greater freedom to express themselves.Jody uses voice recordings and online videos to teach EnglishCompositi on to Dave nport stude nts.Like Ariz ona Conn ecti ons Academy, Ope n High School of Utah is also a public school offeri ng on li ne in structi on.

16、 There, Amy Pace is an award-winning science teacher. After spending 11 years in a traditional teachi ng en vir onment, Amy joined Ope n High School of Utah. She has helped create an interesting science course. In 2010,she was one of 103 7th to 12th grade teachers to be chosen for a Presidential Awa

17、rd for Excelle nce in Mathematics and Scie nce Teachi ng.【文章大意】本文是应用文。文章介绍了四位网课老师。5. What subject does Mike teach?A. English Composition.B. Language Arts.C. Science. D.Math.【解析】选D。细节理解题。根据第一段中的“Not only does he teachstudents math可知，Mike 教数学。6. The underlined word “ skeptical in ”Paragraph 3 probably

18、 meansA. un happyB. doubtful C. seriousD. bored【解析】选B。词义猜测题。根据第三段中Jody紧接着说的“ I feared something would be lost in the give and take of classroom discussion 禾口“ Now I know on li ne teach ing allows stude nts greater freedom to express themselves. ”之间的对比可知，Jody 一开始担心网络授课中不能很好 地进行课堂讨论交流，因此对是否要进行网络授课有所怀疑

19、。7. What kind of readers will probably like reading the text?A. Pare nts who are help ing their kids choose a public school.B. Stude nts who are searchi ng for an on li ne teacher.C. Teachers who want to win prizes in teachi ng.D. Anyone who likes to study abroad.【解析】选B。推理判断题。文章主要介绍了四位网上授课老师的基 本情况以及

20、他们所获得的相应奖项 ，因此对于正在挑选在线老师的 学生来说很有用处。II .阅读填句|世纪金榜导学号7906028$根据短文内容，从短文后的选项中选出可以填入空白处的最佳选项。选项中有两项为多余选项。You n eed to dress warmly whe n you play in the snow. And to getaround in deep snow, you might n eed sno wshoes.Ani mals n eed win ter coats and sno wshoes too.A musk ox（麝牛）wears two coats in win ter

21、. 1 It keeps the inner coat of soft fur warm and dry. The furry undercoat falls off each spri ng and the ox grows a new one every win ter.A sno wshoe rabbit cha nges its coat to match the seas on. 2 In win ter it grows white fur to match the sno w. It eve n has fur on the bottoms of its feet.3 A sea

22、l（海豹） has an extra layer under its fur coat too. Thisthick layer of fat lies under the seal s skin and is great at holding in he;especially in the water.The Arctic fox has fur on the bottoms of its feet and one of the warmest double coats of any ani mal. But on very cold and windy days,it adds somet

23、hi ng.4A polar bearfeet act like snowshoes.5 The bottom of each foot is protected by fur and the fur helps the bear walk on the snowy ground.A. It can run very quickly.B. Do you wear a sweater un der your coat?C. They can move quickly across the snow.D. The outer coat reaches almost to the ground.E.

24、 It uses its thick tail like a scarf to cover its nose and face.F. In summer its brown fur helps it hide among dirt and rocks.G They spread out the bear s weight so it can walk easily on the snow.【文章大意】本文是说明文。文章介绍了动物如何抵御寒冷以及在冰天雪地里行走。1. 【解析】选 D。根据下一句 “ It keeps the inner coat of soft fur warm anddry.

25、可知，D项外面的皮毛几乎垂到地面”符合语境。D项中的“outercoat与下一句中的“ inner coa相呼应。2. 【解析】 选 F。根据该空前的 “ changes its coat to match the season禾口该空后的 “ In win ter it grows white fur to match the snow.可知,雪鞋” 兔的皮毛为了和不同的季节保持协调而发生变化，因此F项介绍雪鞋兔的皮毛在夏天时的情况符合语境。F项中的In summer和下一句中的In winter形成对比。3. 【解析】 选 B。根据该空后的 “ an extra layer under i

26、ts fur coat too 可知，B项 你在外套里面穿毛衣吗？ ”符合语境。B项中的“asweater un der your coat 与下一句中的 “ an extra layer un der its fur coa相 呼应。4. 【解析】选E。根据该空前的“it adds somethin可知”北极狐的尾 巴还可当作围巾使用，包裹鼻子和脸。5. 【解析】 选G。根据该空前的“Apolar bears big feet act likesnowshoes. ”可知，G项 北极熊宽大的脚可以分摊自身的重量并且保 证它们在雪上轻松行走”符合此处语境。皿.短文改错假定英语课上老师要求同桌之

27、间交换修改作文，请你修改你同桌写的以下作文。文中共有 10处语言错误，每句中最多有两处。每 处错误仅涉及一个单词的增加、删除或修改。增加：在缺词处加一个漏字符号 （A ）,并在其下面写出该加的 词。删除：把多余的词用斜线（）划掉。修改：在错的词下划一横线，并在该词下面写出修改后的词。注意:1.每处错误及其修改均仅限一词；2. 只允许修改10处，多者（从第11处起）不计分。The other day the staff asked their boss, “ Whyare you smiling every day? Does the compa ny make the profit daily

28、?”Youare wrong. I smile not becauseof the company profit, ” theboss says with no doubt.“ It is con fide nee which teaches me to smile atlife. Because of holding a strong belief in mind, I haven defeated despite the repeated ups and downs of the company in the past. It has developed into a brilliantl

29、y group company from a tiny repair processing mill. The market doesn t believe in teaatscompete never pities the weak. ”Lack ing of self-c on fide nee, each of us are only a weak body; holding it, even though we are in the flesh, we will be extremely stro ng.Live con fide ntly but your life will be more sple ndid and amaz ing.答案：The other day the staff asked their boss. Whyarc you sruiling every day? Docs the compamakejjw profit daily?*aYou arcI smile not because of tlicprofit lhtb boss says wil h no (loubt, * 11companyssaidis confidence which tc