八年级英语下册Unit7单元知识点解析

PAGEPAGE4Unit7What’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’sthepopulationof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)theirpartofthetectv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16.giveupdoingsth.放弃做某事17.achieveone’sdream实现某人的梦想18.theforcesofnature自然界的力量19.reachthetop到达顶峰20.eventhough=evenif即使21.atbirth在出生的时候22.beawake醒着23.runoverwithexcitement兴奋地跑过去24.walkintosb.撞到某人25.fallover摔倒26.takecareof照顾;照料27.everytwo