八年级英语下册Unit7单元知识点解析

1Unit7What’sthehighestmountainintheworld?1.TheSaharaisabout9,600,000_________________(平方公里)insize.squarekilometerssquare⑴adj.“平方米”,用于数字后表面积。⑵n,正方形；广场insize（面积）大小2.珠穆朗玛峰大约8,844米高。Qomolangmaisabout8,844_________________.metershigh.在英语中，表示事物的长、宽、高、深时，结构为：“基数词+单位名词+形容词（long,wide,tall,deep等）”。单位词有：meter，foot（英尺），inch（英寸），kilometer（千米）kilogram（公斤）等3.Heis2meterstall.（同义句）Heisa___________________man.two-meter-tall各个词间用连字符连接，常作前置定语修饰名词。4.珠穆朗玛峰比世界上任何山都高.Qomolangmaishigherthan_____________________intheworld.anyothermountain“anyother+可数名词的单数”任何其他的人或物,用于同一范围内相比较。5.Lucyismorecarefulthananyotherstudentinherclass.(同义句)=Lucyismorecarefulthan__________________inherclass.theotherstudents“anyother+可数名词单数”可与“theother+可数名词复数”互换，6.Lucyismorecarefulthananyotherstudentinherclass.(同义句)=Lucyis______________________studentinherclass.themostcareful“anyother+可数名词单数”,可用最高级形式表达。7.Chinaislargerthan____inAfrica.A.theothercountriesB.anycountryC.anyoftheothercountriesD.anyothercountry选B中国属于亚洲，不在非洲范围内,要把带有other的选项排除,8.中国在世界上拥有的人口最多。Chinahas_____________________intheworld.thebiggestpopulation表示人口的“多或少”,不用“much或little”,要用“large，big或small”9.Thepopulationofthetownismuch___thanthatofyourtown.A.lessB.fewerC.smallerC.10.加拿大的人口有多少?_____________________________Canada?What’sthepopulationof2提问有多少人口，常用“whatisthepopulationof…?”11.—_____thepopulationofChina?—It’sabout1.3billion.A.What’sB.HowmanyisC.Howmuchis12.Theword’spopulationisgrowing____andthereis_____landandwaterforgrowingrice.A.more;lessB.larger;fewerC.larger;lessD.more;fewerC.13.中国比美国历史长得多。TheUShasa_________________historythantheUS.muchlonger比较级前的修饰词有：much，alot“…得多”,alittle“比......一点”even,still“更...”,14.Inthetalentshow,IperformedwellandAnndideven____.A.wellB.betterC.moreD.worseeven后要用比较级15.对于今天的长城之旅，大家可以自由提问我任何问题。____________toaskmeanythingontoday’sGreatWall______tour.Feelfree,tourfeelfree随便，不受拘束tourn旅行→touristn旅游者tourguide导游travelv旅行→travelern旅游者16.Jimwentonafive-day_____ofBeijingthissummer.A.travelB.journeyC.tripD.tourD.辨析:观光游玩用tour，长途旅行用travel，短途短期用trip，一段距离用journey，17.IwasverysurprisedthatMr.Guosailedacrosstheworldbyhimself.A.excitedB.amazingC.relaxingD.amazedamazingadj.令人吃惊的，了不起的18.Themainreasonwastoprotect________(保护)theirpartofthecountry.protectv保护protectsb./sthfrom保护某人/某物19.________________________(正如你所看到的),TheGreatWallisquitetallandwide.Asyoucansee20._________________________(据我所知),therearenoman-madeobjectsasbigasTheGreatWall.AsfarasIknow据我所知asfarasIcansee依我所见21.Oneoftheword’smostdangerous_______(sport)ismountainclimbing,sportsoneof+the形容词最高级+可数名词复数322.Tenpeople_____________(include)ababy,werehurtinthecrash.（坠毁）includinginclude，动词→including介词，包括23.Itisalsoveryhardtotakein____________(吸入)airasyougetnearthetop.takein吸入takeafter（外貌）相像takeaway拿开takedown写下，记下takein吸收，takeoff起飞；脱下takeiteasy别紧张takepictures照相takecareof照顾，照料24.Sheworksveryhard,soshewill____in____theexam.A.successful;passB.success;passingC.succeed;passingD.successful;passing选C.succeedv→successn成功→successfuladj.成功的→successfullyadv成功地succeedindoingsth成功地做某事25.Whydosomanyclimbers____________________(冒生命危险)?risktheirlivesriskone’slifetodosth某人舍命做某事26.Oneofthemainreasonsisbecausepeoplewantto__________________(挑战自我)inthefaceofdifficulties.challengethemselvesinthefaceofdifficulties面对困难27.Thespiritoftheseclimbersshowsusthatweshouldnevergiveuptryingto______(实现)ourdreams.achieveachievev实现→achievementn成绩achieveone’sdream=one’sdreamcomestrue实现某人的梦想achieve主语一般为“人”cometrue主语一般是“梦想”28.Italsoshowsthathumanscansometimesbestrongerthan._______________(自然的力量)theforcesofnature自然的力量29.Theelephantweights____________(很多倍)morethanthispanda.manytimes很多倍30.______________(出生时),ababypandaisabout20cmlong.Atbirthgivebirthto生孩子；产仔31.Apandacanliveupto______________(达到)30years.upto高达upto+数量词达到beuptosb.“由某人决定”32.At9:00a.m,theyfindthatmostofthebabiesarealready________(wake)andhungry.awakeawakeadj.醒来（反义词）asleep睡着的33.Whenthebabiesseethekeepers,theyrunoverwith___________(excite)excitement.n激动；4excited形容词,感到兴奋exciting形容词，令人兴奋的34.Thebabiesoften________________________(死于疾病)anddonotliveverylong.diefromillnessdiefrom死于diev.→deathn.死，死亡→deadadj.死的→dyingadj.将死的35.Hecan’tevenmovebecauseofhis_______(ill).illness,n疾病36.Adultpandasspendmorethan12hoursaday__________(eat)about10kilosofbamboo.eatingspend…(in)doing花时间做某事37.Scientistssaytherearenow______________(不到)2000pandaslivingintheforests.fewerthan.不到,少于（跟可数名词）;lessthan不到,少于（跟不可数名词）38.Another200_____________(左右)liveinzoosorresearchcentersinChinaandothercountries.orso左右，上下39.Anotherreasonfor__________________(越来越少)pandasisbecausepeoplearecuttingdownforests.fewerandfewer比较级+and+比较级越来越……40.FuntaWildAdventureisverypopularand______touristsvisitityearbyyear.A.moreandmoreB.fewerandfewerC.lessandlessD.moreorlessA.moreandmore越来越多重点短语1.asbigas与……一样大2.oneoftheoldestcountries最古老的国家之一3.feelfreetodosth.随意地做某事4.asfarasIknow据我所知5.man-madeobjects人造物体6.partof.........的组成部分7.thehighestmountain最高的山脉8.intheworld在世界上9.anyothermountain其他任何一座山10.ofallthesaltlakes在所有的咸水湖中11.runalong跨越……12.freezingweather冰冻的天气13.takeinair呼吸空气14.thefirstpeopletodosth.第一个做某事的