答案八年级下册Unit7课后练习

Unit7SectionAⅠ知识点汇总deep深的；纵深的→depthn.深度；纵深amazingadj.令人大为惊奇的（修饰人）adj.感到惊奇的amazing（修饰物）对……感到惊讶beamazedatv.使惊奇，使惊愕amaze就我所知asfarasIknow=sofarasIknowasfaras就……而言；至于……asfarasIcansee依我所见asfarasIamconcerned就我而言生活境况livingconditions在……条件下in/under...condition(可以)随便(做某事)feelfreetodosth.tourn.&v.旅行;旅游n.游客tourist去旅行goonatourprotectv.保护;防护n.保护;保卫protection保护……免受……protect...from/against(doing)sth.深500米500metersindepth=500metersdeep长7千米7kilometersinlength=7kilometerslong在尺寸上;在大小方面insize宾语从句表示的是客观事实或真理，那么无论主句是何种时态，从句都要用一般现在时。（最……的）……之一oneofthe(+形容词的最高级）+复数名词人口;人口数量表示表示整体人口与the连用，谓语动词用单数形式。population前有分数、百分数修饰时，谓语动词用复数形式。人口多big/largepopulation人口少smallpopulation某地有多少人：=Whatisthepopulationof...?=Howlargeisthepopulationof…?=Howmanypeoplearetherein…?ThepopulationofChinais(be)1.3billion.ThreefifthsofthepopulationinJapanare(be)oldpeople.中国人口多，日本人口少。ChinahasalargepopulationandJapanhasasmallpopulation你们镇上有多少人？What’sthepopulationofyourtown?（用population提问）v.包含；包括prep.包括includingadj.包括在内的includedIlikemanycolors,includingredandpurple.Thepriceincludestwobreakfast.Everystudentmustgoout,Aliceincluded.【辨析】including与includedincluding:pre.“包括⋯⋯在内”，后跟名词或代词，常在句中做状语included:adj.“包括在内的”，一般位于名词或代词之后，做后置定语实现目标;成功succeedn.successadj.successfuladv.successfully成功做成某事succeedinsth./doingsth.=besuccessfulindoingsth.反义词：fail“失败”未能做某事：failtodosth.Jamesisasuccess.HegotanAsuccessfullyattheendofthisterm.Hisinventionisverysuccessful.Alicesucceededgettingtothetopofthemountainfinally.我们成功解决了这道难题。Weworkedoutthehadproblemsuccessfully.MarieCurie是一位非常成功的女性。MarieCurieisaverysuccessfulwoman.达到；完成；成功v.achieven.成绩；成就achievement【辨析】achieve与etrueachieve:v.“达到;完成”,主语为人,sb.achieve(s)sth.etrue：“实现；成为现实”，主语一般是事物(理想、愿望等),sth.e(s)true伟大的成就greatachievements实现某人的梦想realizeone’sdream=achieveone'sdream=makeone'sdreametrue其他任何一个anyother=anyoftheother+名词复数后+可数名词单数（同一范围中的比较，表达最高级含义）相互比较的人或物不在同一范围或不属于同一类别比较级+than+any+单数可数名词新疆比中国任何一个省都大。XinjiangislargerthananyotherprovinceinChinaBob比Alice班上任何一个学生都高。BobistallerthananyotherstudentinAlice’sclass.Ⅱ课后练习单项选择—DoyouknowBthepopulationofIndiais?—No.Ionlyknowit'smuchoftheUnitedStatesofAmerica.A.what;morethanthatB.what;biggerthanthatC.howmuch;biggerthanthatD.howmuch;morethanthatBakinghasbeeoneofBafterworkactivitiesamongyoungladies.A.popularB.themostpopularC.morepopularD.mostpopularEgyptisBancientcountrywithlonghistoryinAfrica.A.a;/B.an;aC.a;aD.an;/I'llletyouborrowmystorybookononeD—youlendyourbicycletome.A.relationB.opinionC.decisionD.condition—Youfinallypassedthedrivingtest,right?—Yes.Thankstoyou,IA.A.succeededB.understoodC.changedD.returnedStephenHawkinghasBgreatsuccessasascientist.A.allowedB.achievedC.practicedD.promisedIfyouhaveanyquestion,pleaseCtoaskme.A.liedownB.wakeupC.feelfreeD.fallasleep—DoyouknowwhichcountryhasthelargestCintheworld?—OfcourseitisChina.A.landB.waterC.populationD.goldShewantedtotryherbesttosolvetheproblem,Bmanypeoplethinkitisimpossibletomakeit.A.asifB.eventhoughC.sothatD.eversince用所给词语的适当形式填空TheAmazonisthesecond(two)longestriverintheworld.TheCaspianSeaisdeeper(deep)thananyothersaltlake.TheMainStreetisthewidest(wide)andlongestroadinmycity.InChinaandotherEastAsian(Asia)countries,peopleofteneattofu.Kenisatourist(tour)andhevisitedthePalaceMuseuminBeijinglastweek.Thepopulationofthecityis(be)6,000,000now.Scientiststrytheirbesttounderstandthehabitsofanimalsandofferprotection(protect)tothem.Thefirstwomantosucceed(succeed)inreachingthetopofQomolangmawasJunkoTabei.—What'sthedepth(deep)ofthewaterhere?—It'stwentykilometers.Thenewsoftheaccidentshockedthefamilydeeply(deep).Springisagoodtimetoflykitesbecauseitisoftenwarmandwindy(wind).It'sraininghere,butit'ssnowing(snow)insomeotherplacesinmycountry.Aftersixhours’climbing,wesucceededingetting(get)tothetopofthemountain.Everyyearmanyforeigntourists(tour)etovisittheGreatWallofChina.Withsomuchland,thenatural(nature)environmentofChinaissuitableforgrowingvegetables.Asweallknow,theCaspianSea(里海)isthedeepest(deep)saltlakeintheworld.Chinahasmademanygreatachievements(achieve)ineveryfieldtheseyears,whichamazesalltheworld.Pleasefeelfreetocall(call)meupanytimeifyouhaveproblems.Toprotect(protection)oureyesight,we'dbetterrelaxforawhileafterreadingforalongtime.Studentsshouldlearnmoreabouthowtoprotect(protect)theireyesight.Theprotection(protect)oftheenvironmentisbeingmoreandmoreimportant.OneofthemostbeautifulgirlsisTony'ssister.Sheisveryfriendly.(盲填)Washingourhandsoftenisoneofthemostimportantstepstoprotectourselvesfromgettingsick.(盲填)Thetownhasapopulationofabout18,000people.Andaboutsixtypercentofthemarefarmers.(盲填)Theworld'spopulationisgettinglargerandlarger,soscientistshavetoeupwithnewwaystosolvethefoodproblem.(盲填)选词填空achievenaturedangerstrongspiritHumanscansometimesbestrongerthannaturebecausewecangetoverthedifficulties.Mountainclimbingisoneofthemostdangeroussportsintheworld,sobecareful.Thespiritofkeepingclimbingtellsusthatweshouldnevergiveup.Thecitymadeagreatachievementinplantingtreesinthedesertin1990s.Floralikeslivinginthecountrysidebecauseshecanenjoythenaturalbeauty.根据汉语提示完成句子(每空一词)Sam的梦想是将来成为一位成功的作家。(完成句子)Sam'sdreamistobeasuccessfulwriterinthefuture.我国不仅地域宽广，而且人口众多。(完成句子)Ourcountryhasnotonlyawidearea,butalsoalargepopulation.当你接近山顶时，很难吸入空气。Whenyougetnearthetopofthemountain,itisveryhardtotake/breatheinair.人们想要在面对困难时挑战自己。Peoplewanttochallengethemselvesinthefaceofdifficulties.许多人试图攀登这座山，尽管它很危险。Manypeopletrytoclimbthismountainevenif/thoughit'sdangerous.习惯的力量是惊人的，它可以改变一个人的生活。Theforceofhabitsisamazing,anditcanchangeaperson'slife.Anna是我最外向的朋友之一。Annaisoneofthemostoutgoingfriendsofmine.如果你有任何问题，请随便问我。Ifyouhaveanyquestions,pleasefeelfreetoaskme.面对危险他们表现出了勇气。Theyshowedcourageinthefaceofdanger.尽管弗兰克在16岁的时候就辍学了，但他还是成了一位成功的作家。Evenif/thoughFrankleftschoolat16,hestillbecameasuccessfulwriter.让我们出去呼吸新鲜空气，享受阳光吧。Let'sgoouttotake/breatheinfreshairandenjoythesunshine.据我所知，长城是世界上最大的人造项目。AsfarasIknow,theGreatWallisthebiggestmanmadeprojectintheworld.你们应该保护小树免受伤害。Youshouldprotecttheyoungtreesfrom/againstharm.袁隆平，世界上最伟大的科学家之一，被称为“杂交水稻之父”。YuanLongping,oneofthegreatestscientistsintheworld,isknownas“FatherofHybridRice”.广东省是中国人口最多的省份。GuangdongProvincehasthelargestpopulationinChina.面对生活时我们应该有开放的思想。Weshouldhaveanopenmind__life.据我所知，十堰到西安的高铁很快就会竣工。AsfarasIknow,thehighspeedrailwayfromShiyantoXi’anwillbefinishedsoon.如果我们想实现我们的梦想，就不应该害怕困难。(一句多译)Ifwewanttoachieve/realizeourdreams,weshouldn’tbeafraidofdifficulties.(用realize/achieve)Ifwewanttomakeourdreamsetrue,weshouldn’tbeafraidofdifficulties.(用etrue)Thewaterisonlyafewinchesdeep.(改为同义句)Thewaterisonlyafewinchesindepth.阅读下面短文，在空白处填入一个适当的单词或括号内单词的正确形式。YellowstoneNationalParkis58.aUSnationalparkwhichwasbuiltin1807.Itcoversabout8,983squarekilometersandisoneofthe59.largest(large)parksinAmerica.Yellowstoneiswidelyseenasthefirst60.natural(nature)parkintheworldanditisfamousforitswildlife.Native(本地的)AmericanshavelivedinYellowstonefor61.atleast11,000years.Thereweresomevisitsbymountainmenduringtheearlytomid19thcentury.Later,theUSArmybegan62.toprotect/protecting(protect)theparkandtriedhardtomakeitpeaceful.In1917,theNationalParkService(国家公园管理)built63.hundreds(hundred)ofbuildingsthere.Now,thesebuildingsare64.really(real)importantforthestudyaboutAmericanhistory.Somepeopledon'tknow65.whattodoinYellowstonewhentheypaytheirfirstvisit.Actually,therearemanyfunactivitiesinthepark,suchashiking,66.camping(camp)andsightseeing.Everybodycouldfindsomethinginterestingtodothere.Soitisreallyagoodchoiceforus67.totake(take)atriptoYellowstoneNationalPark.Thereisonlyonesuccess—tobeabletospendyourlifeinyourownway.

Unit7SectionBⅠ知识点汇总对……进行调查/研究doresearchon/into...fall相关短语绊倒fallover倒下falldown跌落falloff到达；至多有；不多于upto大约orso死于……（外因）diefrom死于……（内因）dieof重量是……;称……的重量weighn.weight“重量”……的重量theweightof…增加体重putonweight减肥lose(one's)weight某人/某物重……sb./sth.weigh(s)+重量单位某人称某物sb.weigh(s)sth.……多重？Howmuchdo(es)sb./sth.weigh?=Whatistheweightofsb./sth.?曹冲称象在中国是个有名的故事。CaoChongweighedtheelephantsisafamousstoryinChina.Alice的姐姐暑假长胖了10斤，她现在重120斤了。Alice’ssisterputon5kilosduringthesummervacation.Sheweighs60kilosnow.——你知道10个鸡蛋有多重吗？——我称过。大概是500克。—Doyouknowhowmuch10eggsweigh?—Iweighedit.It'sabout500grams.醒着awake反义词asleep【辨析】awake与wakeawake：adj.“醒着”，做表语或后置定语，强调状态;v.“唤起；(使)醒来”wake：v.“弄醒；醒来”，常与副词up连用，强调动作我弟弟八点就把我叫醒了，从八点到十二点我一直都醒着。Mybrotherwokemeupateighto'clockandIwasawakefromeighttotwelve.倍数的表达……倍的表示一倍once两倍twice三倍及以上基数词+timesA比B……多少倍A+谓语动词+倍数+形容词/副词的比较级+than+BA是B的多少倍……A+谓语动词+倍数+as+形容词/副词的原级+as+BA的高度/重量/长度/大小……是B的多少倍A+谓语动词+倍数+theheight/weight/length/size...+of+BBob比Henry高一倍。他比我高两倍。Heisthreetimesastallasme.=Heistwicetallerthanme.狮子跑得比老虎快两倍。Lionsruntwicefasterthantigers.这个盒子的大小是那个盒子的三倍。Thisboxisthreetimesthesizeofthatbox.另一；又一another另外的……;再……another+基数词+名词=基数词+other/more+名词我还有两小时才到家。Iwillbehomeforanother2hours.=Iwillbehomefor2morehours.Ⅱ课后练习单项选择DreamsarefullofpowerandtheycanleadyouDharderandbeethanbefore.A.towork;worseB.work;worseC.work;betterD.towork;betterSlowcookingseemstoholdthetasteofthemeatmuchC.A.goodB.wellC.betterD.bestThe21.58meterlong3DprintedbridgeinChengdu,withitsBpartreaching8metersandhighestpointhitting2.68meters,isreallyamazing.A.biggestB.widestC.longestTheYangtzeRiverisoneofDriversintheworld.A.longB.longerC.longestD.thelongestRoyisagreatdancer.HedancesBthanothers.A.beautifullyB.morebeautifullyC.lessbeautifullyD.mostbeautifully—AsIknow,yourfriendJeffisveryhumorous.—Yes.HeisBpersonIknow.A.funnierB.thefunniestC.moreseriousD.themostseriousMyparentsprepareplentyoffoodanddrinksAmeandtrytoprovidemethebestlearningenvironment.A.for;withB.for;forC.with;withD.with;forSeveralhourslater,AlicefoundherselfBinastrangeroom.A.awareB.awakeC.activeD.asleep—Whathappenedjustnow?—OneoftherunnersransofastthatheBwhilerunning.Buthewasn'thurtatall.A.fellawayB.felloverC.felloffD.fellbehind—WhywasMissSmithsoangry?—BecauseJamesAherwhenhewalkedoutoftheclassroom.A.walkedintoB.cutoutC.dependedonD.tookafter—Royneverlikesjunkfood.—NeitherdoI.That'sprobablywhyI'mbeingDnow.A.healthyandhealthyB.moreandmorehealthilyC.weakerandweakerD.healthierandhealthier—Adoesthelittleelephantweigh?—Atleastfivehundredkilos.A.HowmuchB.HowheavyC.HowmanyD.What's—You’dbetterCtheadvantagesanddisadvantages(利弊)ofthischoice.Thinkoverbeforeyouact.—OK.A.pareB.balanceC.weighD.chooseMostanimalsinthenightzooBduringthedaytimebutatnight.A.asleep;awakeB.sleep;wakeC.awake;asleepD.awake;sleep—IBnearly75kgnow.IsitbecauseIeattoomuchjunkfood?—Iamafraiditis.Ifyouwanttokeepfit,you'dbetterloseweight.A.takeB.weighC.forceD.protect—Lastmonth,thirteenChinesescientistssuccessfullyreachedthepeakofMountQomolangmawhichisDmountainintheworld.—Wow!It'sreallyfantastic.Iamsoproudofthem.A.highB.higherC.highestD.thehighest—TheGreatWallrunsabout21,200kilometers.—Wow!C.A.It'sOKB.GoodideaC.That'samazingD.Youarewele用所给单词的适当形式完成句子Thiselephantweighs(weigh)manytimesmorethanthispanda.Adultpandasspendmorethan12hoursadayeatingabout10kilosofbamboo(bamboo).Mostofthepandababiesarealreadyawake(wake)andhungryat9:00a.m.BertisingtoSichuantodosomeresearch(research)thissummer,fromJunetoAugust.Thepandakeeper(keep)waspreparingmilkforthebabypandas.Atbreakfasttime,thebabypandasranoverwithexcitement(excite).Thebabypandasoftendiefromillness(ill)anddon'tliveverylong.Aliceandherfriendswanttoraisemoneyforanimalprotection(protect).AngelaandCathyarebothlovely(love)andfriendly,sotheyhavemanyfriends.Thestrongwindwoke(wake)meupquiteearlythismorning,soIdidn'tsleepwell.Lilyworkshardest(hard)ofallthestudentsintheclass.It'seasier(easy)formetodothemathexercisethantodothegeographyexercise.Themorecarefulyouare,thefewer(few)mistakesyouwillmakeinthereport.Mikeleftschoollater(late)thananyotherstudentyesterday.David'sbagistheheaviest(heavy)becausehetakesthemostwaterandfood.—Howmuchdidyouweigh(weight)whenyouwereborn?—About3.2kilograms.Ioftenhavetostayuplate.ThenIsometimesfindithardtostayawake(wake/awake)thenextday.Don'tworryaboutbeinglate.Iwillwake(wake/awake)youupontime.选词填空keepexplainresearchawakeprotectearlybirthAEuropeanscientistdidmuchresearchoncats’languageaswellashowhumansunderstandit.Myfatherworksasakeeperinthezoo.Moreandmorepeoplehaverealizedtheimportanceofenvironmentalprotection.Mikegotupearliestinhislargefamily.Althoughtheproblemwashardtounderstand,theteacherdidn'tgiveupexplainingitagainandagain.falloverfalldownfalloffChildrenoftenfalldownwhentheylearntowalk.Lisafelloverbyastoneandhurtherknees.当你初学自行车时，你可能会从自行车上掉下来。Whenyoustarttolearntorideabicycle,youmayfalloffit.cheapfastarguehardworkingearlyThebagischeaperthananyotherbaginthestore.NoonecanrunasfastasJohn.—Whowasthefirstonetogettoschoolyesterday,MaryorJane?—Mary,ofcourse.ShegottoschoolmuchearlierthanJane.It'snotgoodtoarguewithparents.Ofalltheboys,Jamesisthemosthardworkingandhegetsthebestgradesforsure.根据汉语提示完成句子(每空一词)在上周的运动会上汤姆是跑得最快的。Tomranfastestatthesportsmeetinglastweek.Alan是他班里个子第三高的学生。Alanisthethirdtalleststudentinhisclass.很多人认为他们越忙碌，就会越幸福。Manypeoplebelievethatthebusiertheyare,thehappiertheywillbe.这本书没有那本有趣。Thisbookislessinterestingthanthatone.熊猫可以活到20到30岁。Pandascanliveupto20to30yearsold.Amy的妹妹出生时，她刚上小学。Amystartedprimaryschoolwhenhersisterwasborn.Allen晚上回来没开灯，走路时撞到了椅子。Allencamebackwithoutturningthelightsonatnight,andwalkedintoachair.因为大雨，我们在超市待了大约一个小时。Becauseoftheheavyrain,westayedinthesupermarketforanhourorso.这个婴儿出生时重3公斤。Thebabyweighed3kilogramsatbirth.这对双胞胎在出生时被分开了，在完全不同的家庭被养大。Thetw