Unit 4 CyberspaceⅣ每课一练（北师大必修2）

Unit 4 Cyberspace.单项填空1.Tomorrow is Sunday and he has a day off， so he is to attend our party.A.probableB.possibleC.likely D.possibility解析：根据前面的条件he has a day off可知他有时间，因此“可能参加我们的宴会”，只有likely前面的主语可以是人，而A、B选项的主语都不能是人。选项D为名词，不能放在此处。答案：C2.Those students who fell behind studied hard to for the missed classes.A.keep up B.take upC.catch up D.make up解析：句意：那些落后的学生努力学习以弥补落下的课程。keep up“保持较好或较高的状态”；take up “占据空间，从事，拿起”；catch up“赶上，把缠住”；make up “弥补，占，构成，化妆，编造”。根据句意可知选D。答案：D3.He came home after midnight， and ， he was drunk.That made his parents very angry.A.what is more B.on the other handC.in my opinion D.in another word解析：句意：他午夜后回家，而且还喝醉了。这让他的父母非常生气。what is more常用作插入语，意为“更有甚者，而且”。答案：A4.I dont think this jacket you and that your hat this jacket perfectly.A.suits； fits B.fits； matchesC.matches； suits D.meets； fits解析：句意：我认为这件夹克衫不适合你，并且你的帽子跟这件夹克衫不是很搭配。fit表示大小、尺寸的适合，物作主语；match表示“相匹配”，故选B。答案：B5.The harm that gas does humans in wars is great.A.for B.onC.in D.to解析：句意：战争中毒气对人的危害很大。do harm to 意为“对有害”，为固定搭配。题干中的that gas does humans in wars 作 The harm的定语从句。答案：D6.Who is it up decide whether to have a party or not， which is really annoying？A.to for B.toC.for to D.to to解析：句意：由谁来决定是否举办晚会，这事情真的让人烦吗？It is up to sb.to do sth.表示“由某人决定做某事”，故选D。答案：D7. How do you we go to Beijing for our holidays？ I think wed better fly there. Its much more comfortable.A.insist B.wantC.suppose D.suggest解析：考查动词辨析。句意：“你认为我们该怎么去北京度假？”“我认为我们最好坐飞机，因为飞机舒适。”insist 表示“坚持认为；坚决主张”；suppose表示“假设，假想”；want 表示“想要”；suggest 表示“建议”。故选D。答案：D8.I would like to buy a house which has a(n) over the sea.A.image B.viewC.sight D.scenery解析：句意：我想买一座房子，从这座房子可以观赏到海景。view “眼界，视野”。image “形象；意象”；sight“视野”，强调视域本身；scenery 不可数名词，“风景、景色”的总称。故选B。答案：B9. I was told that Li Ming was ill in hospital. Is that so？I him in the hospital.A.am going to see B.seeC.have seen D.will see解析：句意：“我被告知李明生病住院了。”“真的吗？我要去医院看看他。”本题中助动词will表示将来时，常常可以用来表示临时作出的决定，符合本题情景。答案：D10. Congratulations！ Thank you！But for your help， we in the experiment.A.will never succeedB.shouldnt have succeededC.couldnt have succeededD.mustnt have succeeded解析：句意：“祝贺！”“谢谢你！要不是你的帮助，我们的实验不会成功的。”根据But for your help可知，要用虚拟语气表示与过去事实相反的情况。故应选C项。答案：C11.Im planning to hold a party in the open air， but I cant make sure because it the weather.A.gets in B.depends onC.connects to D.picks up解析：考查动词短语辨析。根据前面的语境but I cant make sure 可知说话者对此不确定，因为这“取决于”天气，所以此处要用depend on。答案：B12.The family in Europe throws as much as 20 worth of reusable materials into its dustbin each year.A.often B.usualC.middle D.average解析：句意：欧洲的普通家庭每年会往垃圾箱内扔掉价值多达20英镑的可回收材料。often“经常”；usual“通常的”；middle“中间的”；average“平均的，普通的”，故选D。答案：D13.To keep fit， the girl walking after supper as a regular form of exercise.A.took up B.caught onC.carried out D.made up解析：句意：为了保持健康，这个女孩把晚饭后散步作为经常性的运动。take up“从事”，符合句意。故选A。答案：A14.To deal with the global financial crisis， China has a string of forceful measures over the past months.A.worked out B.found outC.turned out D.made out解析：考查动词词组辨析。句意：为了应对全球经济危机，中国在过去的几个月出台了一系列强有力的措施。work out“精心策划，计划”；find out“发现，弄清楚”；turn out“结果是，证明是”；make out“看出，辨认出，理解，了解”。故选A。答案：A15.Everything went on as usual nothing had happened.A.as if B.even ifC.even though D.seemed解析：句意：一切和往常一样进展良好，就像没有任何事情发生一样。as if“好像”；even if even though“即使”；seem 为动词。此处需要连词，故选A。答案：A.完形填空The first event of my life to be printed into my memory occurred when I was three.My mother stands， working in the 1 and then glances at me with a 2 smile.Two feet down the table， I knock on a chair with a bowl and a spoon， 3 my own invisible (无形的) powder.We wear 4 dresses， mine the leftover 5 from hers， sky blue mommys favorite color.I am her shadow.However， by 14 I could not 6 my mother.All that I heard every day was NO.I wanted to dye my hair and she said no.I wanted to 7 late with my friends and she said no.I didnt understand why she said no.She was trying to 8 me from aches and pains and mistakes 9 in her teens.Several years later， I finally understood her， but it was too late.She became ill.I cried and 10， “Dont take her， God， please！She is my mother， my mommy， the woman who gave me life.All my years， 11 the hard times and the good， she has been there， 12 to me forever by an invisible umbilical cord (脐带) that lasts longer after birth.”But this cord， this love could do nothing to stop the cancer from 13.A few years later 14 I myself lay in the hospital bed， my newly born daughter was 15 in my arms.I cried and smiled and prayed.Please help me to 16 her into a wonderful girl.And looking down 17 her eyes， I could see the message they held， “Your 18 would be proud.”I stand in the kitchen now， and these thoughts flashed through my mind.I glance at my young daughter.A 19 feeling rushes through my soul as I take in the familiar 20.I am my mothers shadow.语篇解读：本文叙述了作者与其母亲的一些情况，表明作者与其母亲之间的那种无私的爱。1.A.kitchenB.dining roomC.sitting room D.garden解析：从倒数第二段I stand in the kitchen可以看出A项正确，前后呼应。B、C、D三项都找不到对应点。答案：A2.A.lovely B.livelyC.loving D.horrible解析：a loving smile指“充满爱意的微笑”，符合语境。lovely“可爱的”；lively“生动的”；horrible“恐怖的”，都与语境不符。答案：C3.A.preparing B.mixedC.mixing D.prepared解析：mix意为“搅拌”。从invisible这个词可以猜测出作者小时候在搅拌假想的粉末。答案：C4.A.same B.similarC.different D.matching解析：从语境看，作者和她妈妈穿的是花色一样的衣服，故matching最合适。答案：D5.A.material B.clothesC.dress D.clothing解析：作者的衣服是用她妈妈衣服剩下的碎布做成的，material指“原料，布料”。答案：A6.A.stand B.agreeC.know D.realize解析：stand表示“忍受”。由下文知作者的妈妈不允许她做这做那，作者无法忍受妈妈的这种行为。答案：A7.A.keep up B.keep onC.stay up D.stay out解析：stay out指“在外面待着”。作者想与朋友们在外玩晚一会儿，可妈妈不允许。答案：D8.A.save B.warnC.help D.stop解析：妈妈是在努力避免我重蹈她当年的覆辙。A项最符合。答案：A9.A.watched B.likedC.heard D.experienced解析：A、B、C三项都不符合语境。aches and pains and mistakes是妈妈当年经历过的。答案：D10.A.screamed B.saidC.shouted D.prayed解析：pray“祈祷”。根据语境，作者在为自己的母亲祈祷，希望她能好起来。答案：D11.A.through B.inC.on D.within解析：through the hard times and the good 指“经历生活的风雨”。答案：A12.A.connected B.sharedC.concerned D.joined解析：connect表示“联系”。我和母亲之间一直以来有根无形的纽带联系着。答案：A13.A.spreading B.growingC.escaping D.moving解析：spread指癌细胞的“扩散”。答案：A14.A.when B.beforeC.since D.then解析：此处是一个when引导的时间状语从句。表示“当的时候”。答案：A15.A.placed B.givenC.thrown D.taken解析：place表示“放置”。表示当女儿被放在我怀里的时候，我哭了，笑了，祈祷了。答案：A16.A.change B.supportC.bring D.raise解析：raise“抚养”。最符合语境。bring up“抚养”，support“支持”，change“改变”，文章中看不出作者刚出生的女儿需要改变什么，所以用raise最好。答案：D17.A.for B.throughC.up D.into解析：look down into her eyes 指“看着她的眼睛”。答案：D18.A.daughter B.motherC.children D.friends解析：在此指作者的妈妈。整篇文章是讲作者在回忆自己的母亲。作者通过女儿的眼睛想到了自己的母亲。答案：B19.A.warm B.strangeC.painful D.exciting解析：a warm feeling“一种温暖的感觉”，与语境相符。答案：A20.A.saying B.sceneC.drawing D.paint解析：作者看到这一幕熟悉的情景。scene指“场面，现场”。A为“谚语”，C为“素描”，D为“油漆，绘画”，都不能引申出符合语境的意思。答案：B.阅读理解Searching the Internet may help middleaged and older adults keep their memories lively， US researchers said.Researchers at the University of California， Los Angeles studied people doing web searches by recording their brain activity.“What we saw was that people who had Internet experience used more of their brain during the search，”Dr Gary Small， a UCLA expert on aging， said.“This suggests that just searching on the Internet may train the brain and that it may keep it active and healthy.”“This is the first time anyone has taken an Internet search task while scanning (扫描) the brain，” Small said.His team studied 24 volunteers between the ages of 55 and 76.Half were experienced in searching the Internet and the other half had no web experience.However， the two groups were similar in age， gender and education.Both groups were asked to do Internet search and book reading tasks while their brain activity was monitored.“We found that in the book reading task， the visual cortex the part of the brain that controls reading and language was activated，” Small said.“In doing the Internet search task， there was much greater activity， but only in the Internetfamiliar group.”He said it appears that people who are familiar with the Internet can engage in a much deeper level of brain activity.Activities that keep the brain engaged can preserve brain health and thinking ability.Small thinks learning to do Internet sea