2020人教版英语八年级下册单元知识点总结和同步练习Unit-2

1、2020人教版英语八年级下册单元知识点总结和同步练习Unit-2(无答案)一、单元要点短语1.cleanup清人教版八年级下册单元知识点总结及同步练习Unit2Illhelptocleanupthecityparks2.giveout分，放3.cheerup=makehappier使.高eupwith=thinkup提出，想出7.volunteeronestimetodosth自.愿花做.10.takeafter在性格或相方面与父亲母亲相象5.writedown写下，下8.makeplans划干.11.fixup维修6.setup=establish成立9.useup用完，耗尽12.givea

2、way捐13.besimilarto与.相像14.hungout15.disabledpeople残疾人16.gooutofoneswayto帮do助sth.做事，解决(脱窘境)17.trainsb.todosth某人做某事二、单元基本知识点1.raisemoney集，筹；raisemoneyfor筹raise【】起；提升；召募2.keep【】keep+名，保存（某物）；keep+形容，保持3.【形容】broken破的，出缺点的；在句中做定和表：blind瞎的，失明的；deaf的；disabled有残疾的，失能力的4.makeitpossible(forsb.)todosth.使（某人）做某事

3、成可能，makeit+形容(+forsb.)todosth.使（某人）做某事成；YouhelpedtomakeitpossibleformetohaveLucky.think/findit+形容todosth.5.makeadifferenceto有影响；有作用，Therainmadenodifferencetothegame.difference前能够用no,any,some,much等修，如Hard-workingmakesmuchdifferencetostudy.6、repair【】维修，修；fix【】安装；使固定【fixup维修=repair】7、8、beusedtodoingsth

4、.习惯做.usedtodosth.过去经常.beusedforsth/todosth.被用于做.fewafewlittlealittle极少、几乎没有有一些极少、几乎没有有一些、一点表否认表一定表否认表一定修可数名复数修不行数名9、difficulty【可数/不行数】表示抽象意的“困”不行数；表示详细的“、事”可数；havedifficulty(in)doingsth.=havetrouble(in)doingsth.10、befreetodosth有做.11.sick患病的，有病的；可在句中作表Marycouldnotcomebecausesheissick.也可作定asickchild【区

5、ill】ill与sick同；可是只在句中做表，不做定。Marycouldnotcomebecausesheisill.12.cheer(sb.)up（某人）得高；振起来Thegoodnewscheeredupeveryoneinourclass.13.giveout分；散，相当于givesth.outtosb.意Give短小handout，Theteacherisgivingout/handingoutthetestpapers.。2020人教版英语八年级下册单元知识点总结和同步练习Unit-2(无答案)1.giveup(doing)放弃（做）某事2.giveout散发;宣布,3.giveaw

6、ay送，分4.givein折服，14.volunteer【名】志愿者【】做，自发做（某事）volunteertodosth.，Thegirlscouldvolunteerinanafter-schoolstudyprogram.15.alone【形容】单独一人的，无感情色彩：Themusicianenjoyedlivingaloneandwritingsongshimself.lonely（感觉）孤单孤独的，有很的感情色彩，可做表或定。16.such“的，种，这样”，用于修名such+a/an+形容+数名：suchagooddayThelonelyboyisnotlonelynow./such

7、anexcitingmatchsuch+形容+复数名/不行数名：suchimportantdecisionssuchdeliciousfood假如名前被many,much,few,little修，只好用17.Up短小1.giveup放弃2.cleanup打干3.cheerup高起来4.fixup固定5.setup成立6.putup建筑；起（手）7.getup起床so，而不用such：somanysickchildren/solittletime8.stayup(late)：stayuplate熬夜;睡得很晚stayup熬夜不睡eupwith=thinkof想出10.takeup(doingst

8、h.)开始（做）某事三、单元语法知识点不定式todo的用法：A.作主防止句子的重脚，常用it作形式主，而真实的主不定式后置。常用句型：It+be+adj./n.+(for/ofsb.)todosth./Ittakessb.sometimetodosth.B.作want,decide,hope,ask,agree,choose,learn,plan,need,teach,prepare常接不定式作。C.作（后置）定D.作足常用于“have/hassth.todo”或“enough名todo”“Itstimetodosth.”等构中。tell,ask,want,invite,teach,like,

9、call等可接to的不定式作足，组成tell/ask/want/call/invitesb.todosth.构。【注意】不定式作使役和感官的足省去二听(listento,hear)，三(let,make,have,，四看(lookat,see,watch,notice)，半帮助(help)。”E.不定式作状主要用来修，表示目的，果或原由。了目的，有能够把不定式放在句首，或在不定式前加inorder(to)或soas(to)“了，目的是”。常用构有too+adj./adv.+todosth.等。F.固定句式中不定式的用法常的有：hadbetter(not)dosth./Wouldyouliket

10、odosth.?/Whynotdosth.?/Wouldyouplease(not)dosth.?to：“一感(feel)，等。2020人教版英语八年级下册单元知识点总结和同步练习Unit-2(无答案)单元讲堂练习：一、用所给动词的正确形式填空。1.Ittookhalfanhour_(get)totheWorldParkfromKittysschool.2.Itwasinteresting_(see)somanyplacesofinterestfromallovertheworld.3.Theywant_(save)timebyusingshorterwordsandphrases.4.Kit

11、tysclassmateDanieltaughthimselfhow_(make)ahomepage.5.Things_(do)inBeijing.6.Hemadethegirl_(cry)yesterday.7.Heputhisphotosonitforeveryone_(look)at.8.Helphim_(put)thephotosinthecorrectorder.9.Itstimeforclass.Pleasestop_(talk).10.Idlike_(go)totheTempleofHeaven.二、单项选择()1.Hefailedinthemathtestandlookssad

12、.Lets_A.puthimupB.sethimupC.cheerhimupD.cleanhimup()2.Thestudentsare_theleafletstopeopleovertheretoaskthemtoprotectourearth.A.printingoutB.givingoutC.sellingoutD.puttingout()3.Scientistsaretryingtheirbestto_waystotreattheterriblediseasecalledH7N9.A.comeupwithB.lookforwardtoC.talkaboutD.giveup()4.He_

13、gooutwithhisparents,butnowhe_stayingathomealone.A.usedto;isusedtoB.isusedto;usedtoC.useto;isusedto()5.Manyteenagers_theoldandtheyoftenoffertheirseatstotheoldonbuses.A.agreewithB.worryaboutC.laughatD.carefor()6.Heoffered_valuableadvicethat_peopledisagreed.A.such;afewB.such;fewC.so;afewD.so;few()7._ag

14、e7,Brucewonthesecondprizeinthepianocompetition.A.InB.AtD.OnD.for()8.Stop_aboutthetraffic.Justthinkaboutwhatwecandotoimproveit.A.complainB.tocomplainC.complainingD.complained()9.-Isthegirlreallythatwomansdaughter?Shedoesnt_heratall.Butsuresheis.Shelookslikeherfather/A.takeafterB.lookafterC.runafter.(

15、)10.Mybikeisbroken.Couldyouhelpmeto_?A.fixitupB.setitupC.makeitupD.putitup()11.Thewoman_allofhermoneytocharities_thepoor.A.gaveoff;tohelpB.gaveup;helpingC.gaveaway;tohelpD.gave;helping()12.Dear,whataboutgoingtothebeachesforvacation?-Great!_werelyingonthebeachinthesun,enjoyingmusic.Itmustbegreatfun！A

16、.PretendB.PromiseC.MentionD.Imagine()13.Heis_thecomingweekendafteralongweekofclasses.A.excitedaboutB.busywithC.worriedaboutD.angrywith()14.Hehelps_theclassroom.A.cleansupB.cleaningupC.cleanup()15.Itookhertotheconcertto_.A.cheerupherB.cheerherupC.cheersheup()16.Letshelp_foodatthefoodbank.A.togiveout三

17、、词汇操练A.依据中文提示写出单词B.giveupC.givingout2020人教版英语八年级下册单元知识点总结和同步练习Unit-2(无答案)1.Youdbetter_(想出)abetterplan.2.Whowill_(自发回答)thisquestion?3.Youcouldputupa_(公告)here.4.Withnoonetotalkto.He_very_(感觉很孤单).5.Thelife_(以前是)veryinterestinginmyschooldays.B.选词填空several,feeling,owner,journey,satisfaction1.Ionlywanttos

18、leepfor_minutes.2.The_fromLondontoOxfordtakesaboutanhourandahalf.3.Thenextmorning,the_ofthehousepreparedthebreakfastforus.4.Helookedathisworkwithasmileof_.5.Sheenjoysthe_offreedom.C.依据括号内单词提示写出适合的形式1.Mybrotherwants_(be)apilot.2.Youllneverlearn_(ride)abikeifyoudontpractice.3.Miketaughthisgrandpahow_(

19、use)thecomputer.4.Mr.Smithhelpedtheyoungman_(find)ajob.5.Thestudentsdecided_(work)outtheproblembythemselves.6.Hevolunteers_(work)onthefarm.四、阅读理解OnJune26,2000,twoscientists,calledFrancisCollinsandCraigVenter,toldtheworldthattheycouldnowreadthewholemapofthehumanbody:DNA.DNAissomethingthateverybodyhas

20、,andittellsthebodywhattodo.DNAisthereasonthatwelooklikeourmotherandfather,becausewegetsomeoftheirDNAtomakeourown.Peoplehavebeentryingtounderstandthehumanbodyforalongtime.In1860,GregorMendeldiscoveredaspecialreasonwhywelookthesameasotherpeopleinourfamily.Itisbecauseofsmallthingsnamedgenesinourbody.In

21、1953,JamesWatsonandFrancisCrickmadeanotherdiscoveryandfoundoutthatthosesmallpartsarerealmessageswrittenintheDNAwithaspeciallanguage.In1961,MarshallNirenbergandJohannMatthaeifoundamessageinDNAshowinghowDNAtellsthecell(细胞)tobuilditsparts.ScientistshavenowfoundallthewordsintheDNAmap,butwestilldonotunderstandwhattheyalldo.Byunderstandingwhatjustonewordmeans,wecanhelpsavemorepeoplefromseveralillnesses.Mostpeoplehopethatthiswillhelpmakebettermedicineandhelpsickpeople.Otherpeopleworrythatpeoplebegintoknowmorewordsandfindoutlotsofotherinformation,wemightuseitinawrongway,justtomakepeoplemoreatt