Unit 4课文重难点过关 外研版选择性必修第四册

外研版选择性必修第四册Unit4课文重难点过关Ⅰ.单词拼写1．—Whatareyouworriedabout?—Thefactthatmanychildrenarestillbeing________(虐待)．2．Iwas_________(稍微)surprisedwhenIheardaboutthiseq\x(absurd)decision.3．Trytoavoidbeing________(主观的)andone-sidedwhenlookingatproblems.4．Asyouknow，ifyoudothesamethingoverandoveragain，youbegintodoit_________(自动地)．5．ItishardforGreekgovernmenttogetoverthepresentdifficultiesunlessitgetsmore________（金融的）supportfromtheEuropeanUnion.6．Thethiefpretendedasifhehadknownnothingaboutthe______（偷窃）.7．Ihopethattimewilltakeawaythe________（痛苦）ofyourrecentloss.1.abused2mildly3subjective4automatically5financial6theft7sorrowⅡ.选词填空下面的短文是P44－45的课文改写，请从下表中选择合适的词汇并用其适当的形式完成此文。eq\x(abuse，attheexpenseof，rentout，frustration，sorrow，toddler，hire)We’vebeentoldsincewewere9.________that“It’sgoodtoshare”．Weareevenremindedtosharejoysand10.___________withothers.Thebehaviorofsharingisbeneficialtosettinguppositiveemotionalbonding.Theactionofsharingisnotjustaboutsharingsweetsor11.__________；ithasexpandedtoalmosteveryaspectofourlives.Thesharingeconomyistakingoffinallsortsofareas.Thiswealthofwaysofsharingisaresponsetoourincreasingdemandforqualitygoodsandservicesatcompetitiveprices，alldeliveredattheclickofabutton.Whetherit’sanonlineshopwherewecan12.___________designerclothesatrock-bottomprices，oraplatformfromwhichwecan13.__________ourflatsforacoupleofdays，it’soutthere.Sharingencouragesustoreuseitems，therebycuttingdownonwaste.Butthesharingeconomyisnotwithoutitsproblems.Somecompaniesaretakingunfairadvantageofthissituationtoexpandtheirshareofthemarket，often14.____________moretraditionalandestablishedcompanies.Inaddition，thesharingeconomyissubjectto15.________oftrust.Nonetheless，whatisinnodoubtisthatthesharingeconomyisincreasinglyrelevanttoourdailylivesaswellastotheglobaleconomy.9.toddlers10sorrows11frustration12hire13rentout14attheexpenseof15abuseⅢ.经典句式1．whether...or...无论……还是……无论我们是贷款人还是借款人，这都是双赢的局面；每个人都赚钱或存钱。__________________________________________________________2．现在分词短语作结果状语而且，共享鼓励我们重复使用物品，从而减少浪费。__________________________________________________________3．as引导非限制性定语从句正如世界各地新的经济活动领域经常出现的情况一样，共享经济的发展速度超过了现有的法规或正在进行的监管。__________________________________________________________4．such...that...它发展的速度如此之快，我们只能想象未来会有什么。__________________________________________________________1Whetherwe’realenderoraborrower，it’sawin-winsituation；everyonemakesorsavesmoney.2What’smore，sharingencouragesustoreuseitems，therebycuttingdownonwaste.3Asisoftenthecaseallovertheworldwithnewareasofeconomicactivity，thesharingeconomyisdevelopingfasterthanexistingregulationsorongoingsupervision.4Itisexpandingatsucharatethatwecanonlyimaginewhatitwillcompriseinthefuture.Ⅳ.七选五Whileyouareheatingyourfood，youmaywonderhowcloseyoucansafelystandnexttoamicrowave，andwhetheranyradiationcouldescapefromthedeviceandpotentiallyharmyou.Intheory，microwavescanheatbodytissuesinthesamewaytheyheatfood，andathighlevels，microwavescancauseburnsandcataracts.1Theywillgenerallyoccurwhenpeopleareexposedtolargeamountsofradiationescapingthroughopeningsintheoven.Asaresult，thereislittlecauseforconcernaboutusingmicrowavesovens，unlessthereisdamagetothedoor.Still，theFDA(美国食品和药物管理局)recommendsthatyoucheckyourmicrowaveovencarefullyanddonotuseitifthedoordoesn’tcloseproperly，orifitis“bent，warped，orotherwisedamaged.”2Asfarasinjuriesfrommicrowaveovensgo，themostcommonwaypeopleareinjuredisviaheat-relatedburnsfromtouchinghotcontainersoroverheatedfoods，orbeingexposedtoexplodingliquids.3Theagencyalsowarnsthat，whenyouuseamicrowavetoheatwaterinacup，there’sariskofthewaterbecoming“superheated”，whichmeansithasheatedpastitsboilingpoint.4Butjustaslightdisturbancetothewater—whichcanoccurwhentouchingorpickingupthecup—cancauseaneruptionofboilingwater.Thiscanleadtoskinburnsorscaldinginjuries，particularlyonthefaceandhands.Topreventsuperheatedwaterfromforming，theFDAsayspeopleshouldnoteq\x(exceed)therecommendedheatingtimeforwater，asindicatedintheoven’sinstructionbook.5A．Butthesetypesofinjuriesareveryrare.B．Whenthishappens，thewaterdoesnotappeartobeboiling.C．However，injuriesfrommicrowaveradiationareunavoidablesometimes.D．Thoughmicrowavesdon’taffecthealthasX-raysdo，thatdoesn’tmeantheyarerisk-free.E．Peopleshouldusecommon-senseprecautio