八年级下册unit4SectionB课文重点难点讲解

第1页共9页Unit4Whydon’tyoutalktoyourparents?SectionB.1.Myparentsgivemealotofpresureaboutschool.我父母在学习上给了我很多压力。【解析】pressv按；压→pressure压力⑴不可数名词（物理学）压力airpressure气压bloodpressure血压⑵不可数名词还可指精神上、外界施加的压力=stressunderpressure在压力下2.Ihavetocompetewithmyclassmatesatschool.在学校我不得不和我的同学们竞争。【解析】competev竞争；对抗→competitionn竞争competewithsb.和某人竞争competeagainst/with与……竞争competefor为……参加比赛Wearereadyforthecoming________________(compete).3.Youshouldallbe___eachothertoimprove.你们都应该互相____而全面发展。【解析】improve=make...better改进→improvementn提高4.Whogivestheiropinionsabouttheproblem?对于这个问题都有谁提出了他们自己的观点。【解析】opinionn意见；想法；看法inone’sopinion以某人的观点；在某人看来giveopinionsaboutsth.给出关于某事的观点。5.Thesedays,Chinesechildrenaresometimesbusieronweekendsthanweekdaysbecausetheyhavetotakesomanyafter-schoolclasses.目前，中国的孩子有时周末比平常还要忙，因为他们不得不上那么多的课后辅导班。【解析】sometime/sometime/sometimes/sometimes【口诀】：分开是一段，合起是某时；分开s是倍次，合起s是有时(1)sometime一段时间，做时间状语Ittakessb.sometimetodosth.做某事花费某人多长时间(2)sometimeadv在某个时候，(3)sometimes名词词组，“几次，几倍”Mr.GreenwenttoSanyasometimeslastsummer.(4)sometimes=attimes有时（一般现在时的标志词）()IhopetovisittheUSA_____inthefuture.A.sometimesB.sometimesC.sometimeD.sometime【2013广西】Attimesanadcanleadyoutobuysomethingyoudon’tneedatall.soyouhavetobecareful.A.SometimeB.SometimesC.SometimeD.Sometimes第2页共9页6.Othersarepracticingsportssothattheycancompeteandwin.其他人正在练习体育运动，这样他们就能参与竞争并获胜。【解析】otherspron.“其他的人或事物”Thereareotherwaysofdoingit.做这事还有其他的办法。()Mysisterisoutgoing.Shelikesmakingfriendswith____.A.otherB.anotherC.theotherD.others7.TheTaylorsareatypicalAmericanfamily.泰勒一家是一个典型的美国之家。【解析1】ThyTaylors泰勒一家。在姓氏的复数前加冠词the表示“全家人或夫妻两人”，使用时注意主语和谓语保持一致。TheBlacksaregettingreadyfortheholiday.【2012广东】____GreensarepreparingforthecomingThanksgivingDay.A./B.AC.AnD.The【解析】typical典型的betypicalof“是……的特点”8.MaybeIcouldcutoutafewoftheiractivities,butIbelievetheseactivitiesareimportantformychildren’sfuture.或许我可以减少他们的一些活动，但是我相信这些活动对孩子们的未来很重要。【解析】cutout删除；删去(v+adv)You’dbettercutoutthatsentence.cutup切碎cutdown砍到cutin插队cutoff切断（水、电）供应()Don’t___whenotherstalk;it’simpolite.A.cutoutB.cutinC.cutdownD.cutoff9.Ireallywantthemtobesuccessful.我真的很想他们成功。【解析】successful成功的【拓展】succeedv成功，达到→successn成功→successfuladj成功的→successfullyadv成功地◆succeedindoingsth①Ifatfirstyoudon’t____________(success).try,tryagain.()②Sheworksveryhard,soshewill____in____theexam.A.successful;passB.success;passingC.succeed;passingD.successful;passing【2013甘肃兰州】87.Detailsdecide______(成功)ornot.Ifwetakeeverythingseriously,we’llachieveourgoals.【2013贵州铜仁】85.—What’sthesecretofyour________（success）?—Workhard.【2013四川凉山】85.Afterhundredsofexperiments,Edison_______(成功)inventedthelightbulb.【2013山东青岛3】12.Itis______thatMr.Guosailedacrosstheworldbyhimself______withinabout130daysA.terrified,successfulB.scary,successfullyC.amazing,successfullyD.convincing,successful10.It’stimeforhomework.该写作业了。第3页共9页【解析】It’stimeforsth是到做某事的时候了。It’stimeforlunch.It’stimetodosthIt’stimetogotoschool.()It’s9:30pm.,children!_____istimetogotobed.A.ThatB.ItC.ThisD.They11.Insomefamilies,competitionstartsveryyoungandcontinuesuntilthekidsgetolder.在有些家庭，竞争从孩子们很小的时候就开始了，一直持续到他们长大。【解析】continue继续；持续【拓展】continuedoingsth=goondoingsth继续做某事(前后做同一件事)continuetodosth=goontodosth继续做某事（前后不是同一件事）①Let’scontinue____________(read)thetext.②Manystudentshopetocontinue________(study)after_______(finish)school.（）③Thetwoteamscontinued_____thegameafterhalfanhour.A.playB.toplayC.playingD.played【拓展】continue，goon,last辨析⑴continuev.继续，持续，指进程在时间或空间上的延续，强调持续不断，有时也可以指短暂停止后继续进行。Hecontinuetheworkfortwodays.他连续两天都在做这项工作。⑵goon指无间歇或有间歇地继续，或以某种特定方式继续。goontodosth继续做某事，指开始做另外一件事；goondoingsth继续做原来所做的事情。Afterdoinghishomework,hewentontopreviewhislessons.做完家庭作业之后，他继续去预习他的研究。⑶lastv.持续，延续，维持，指某事物继续存在或某种现象在时间上延续，说明某一动作要延续一段时间。Shewon’tlastlonginthatjob.那个工作她做不了多久。12.Motherssendtheirsmallkidstoallkindsofclasses.妈妈们把她们的小孩子送去各种各样的辅导班。【解析1】send→sent→sentv发送【短语】：sendaway赶走sendfor派人去请sendoff寄出sendout分发sendup发射sendsb.sth=sendsthtosb.送给某人某物【注】类似的动词有：show(展示；给……看)give(给)lend(借出)offer（提供）return（归还）tell（告诉）()①Youfillinbothpartsoftheform,then_____.A.sendupitB.sendforitC.senditawayD.senditoff()Pleasesendaphotoofyourfamily____me.A.forB.atC.toD.with【2011四川绵阳】15.----Drunkendriveisdangerous,isn’tit?----Yeah.Thatwhydrunkendrivers_____toprisonevenwithoutcausingaccidents.A.sentB.aresentC.sendD.aresending【解析2】allkindsof各种各样的【拓展】kind(1)n种类第4页共9页kindof+adj.有点，有几分，kindofcold有点冷akindof一种的，某种的allkindsof各种各样的differentkindsof不同种类的Whatkindof…?那种(2)adj.友好的bekindtosb.=begoodtosb.=befriendlytosb.对某人友好【辨析】kindof与kindsof:○1kindof单独用，表示“有点”，后接形容词或副词：Heiskindofthin.”他有点瘦”Ifeelkindofhungry.”我有点饿”UncleWangspeakskindofquickly.王叔叔说得有点快。○2若kindof前有a,this,that,what等，译为“种，种类”后加名词。Thatkindofquestionisdifficulttoanswer.那类问题难回答。Whatkindofsportdoyoulikebest?你最喜欢何种运动？()①Thiskindofskirtlooks___andsells_____.A.nice;wellB.nice;goodC.well;wellD.good;nice()②—What____animalsdoyoulike?—Monkeys.Ithinkthey’re_____clever.A.kindof;kindofB.akindof;akindofC.kindof;akindD.akindof;kindof()③—It’sgoingtorain.Letmefetchanumbrellaforyou.—Thankyou!Youareso____.A.luckyB.kindC.relaxedD.Interesting【2013浙江台州】17.—Iwant