Unit22EnvironmentalProtectionPeriodFourLesson3NaturalDisasters课时精练（北师大版选修8，广东专用）时间：30分钟Ⅰ.完形填空(共15小题；每小题2分，满分30分)阅读下面短文，掌握其大意，然后从各题所给的A、B、C和D项中，选出最佳选项。Computershavedoneusalotsincetheyturnedup.Inthefuturetheywillplayamoreimportantpartinmany__1__，suchaseducation，transport，personallives，scientificresearchandsoon.Nowadayscomputersarebeing__2__inagricultureandindustryandcanhelpthefarmersto__3__theconditionsoftheplants.Moreandmorecomputerswillcomeintoourdailylifewiththe__4__ofscienceandtechnology.Ifyouwanttochangemoneyorpayyourelectricitybills，youwon'thavetogotothe__5__.Acomputerandatelephonewillhelpyou.Itcanalsohelpyoutodothehouseworkanditcaneven__6__humanvoicesandcarryouttheinstructions.Itis__7__thatthemajorityofthelabourforcewillworkathome.Peoplewillbeabletousethevideophoneforconferences.Thiscanhelpustosavealotofenergyand__8__.ItissaidthattrainsinJapanwillhaveno__9__，becausethey'llbewell__10__bycomputers，whichcanalsotellthebest__11__betweentrains.Computerprogrammesfor__12__wholetextsarealreadywelldeveloped.Youcan__13__thenameofacertainsubjectanda__14__listofbooktitleswill__15__onyourscreen.Youmaychoosewhicheveryouwant.【解题导语】本文只讲述了电脑的出现给人们带来的便利。1．A.familiesB．fieldsC．factoriesD．places解析fields在此处为“领域”。答案B2．A.usedB．putC．shownD．given解析arebeingused意为“正在被用”。答案A3．A.formB．growC．controlD．manage解析controltheconditionsoftheplants意为“控制植物的生长情况”。答案C4．A.increaseB．progressC．productionD．development解析withthedevelopmentof意为“随着……的发展”。答案D5．A.officeB．bankC．shopD．postoffice解析“换钱或交电费”就要去银行。答案B6．A.understandB．carryC．hearD．recognize解析recognize在此处意为“认出；辨认”。答案D7．A.importantB．necessaryC．possibleD．complete解析Itispossiblethat...意为“可能……”。答案C8．A.materialB．timeC．placeD．money解析根据常识可以找出答案。答案B9．A.conductorsB．driversC．instructorsD．indicators解析havenodrivers意为“没有司机”。答案B10．A.operatedB．doneC．madeD．run解析operated此处意为“操纵；控制”。答案A11．A.positionB．directionC．distanceD．way解析thebestdistancebetweentrains意为“火车之间的最佳距离”。答案C12．A.storingB．writingC．remainingD．recording解析store在这里是“存储”之意。答案A13．A.givenB．putC．typeD．write解析type在这里指往电脑里输入信息。答案C14．A.firstrateB．worldfamousC．nationwideD．worldwide解析aworldwidelistofbooktitles表示“一份世界范围内的书名单”。答案D15．A.showB．appearC．offerD．come解析appearonyourscreen意为“出现在你电脑屏幕上”。答案BⅡ.语法填空(共10小题；每小题1.5分，满分15分)阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。Firstaidisthekindofhelp__16__(give)tosomeone__17__fallsillorgetsinjuredbefore__18__doctorcanbefound.Ofcourse，theillnessorinjuryisnotserious.Whenitcomestofirstaidforburns，youmustknowsomethingaboutthat.Youhavethreelayersofskin__19__protectyourself__20__diseases，poisonsandtheharmfulraysfromthesun.Yourskinalsogivesyouyoursenseoftouch.Firstaidisaveryimportantstepinthe__21__(treat)．Peoplecangetburnedbymanythings，__22__hotliquids，steam，fire，radiation，thesun，electricity，etc.Therearethreetypesofburns.Burnsarecalledfirstdegree，seconddegreeandthirddegreeburns，__23__(depend)on__24__layerisb...
