Module9Unit3（知识精讲练习）八年级英语上册讲义（学生版）

Module9PopulationUnit3Languageinuse语法讲解语法讲解基数词的构成表示数目的词称为基数词。其形式如下：A．从1——10one，two，three，four，five，six，seven，eight，nine，ten．B．从11——19eleven，twelve，thirteen，fourteen，fifteen，sixteen，seventeen，eighteen，nineteen．这里除eleven，twelve，thirteen，fifteen，eighteen为特殊形式外，fourteen，sixteen，seventeen，nineteen都是由其个位数形式后添加后缀teen构成。C．从21——99整数几十中除twenty，thirty,forty，fifty，eighty为特殊形式外，sixty，seventy，ninety都是其个位数形式后添加后缀ty构成。表示几十几时，在几十和个位基数词形式之间添加连字符“”21twentyone76seventysixD．百位数个数基数词形式加“hundred”，表示几百，在几十几与百位间加上and．101ahundredandone320threehundredandtwenty648sixhundredandfortyeightE．千位数以上从数字的右端向左端数起，每三位数加一个逗号“，”。从右开始，第一个“，”前的数字后添加thousand，第二个“，”前面的数字后添加million，第三个“，”前的数字后添加billion。然后一节一节分别表示，两个逗号之间最大的数为百位数形式。2,648twothousandsixhundredandfortyeight知识精讲知识精讲Weareworkingtomakethemevenbetter.我们正努力工作使他们更好。【知识点】even副词，还，更加，用于修饰比较级，表示强调。☞Idoitevenbetterthanbefore.我做得比以前更好了。【拓展】修饰比较级的词组还有much,alittle/bit,far,alot等。☞It’smuchhottertoday.今天热多了。Withmoreandmorepeopleintheworld,moreandmorewaterisused.随着世界上的人越来越多，越来越多的水被使用。【知识点】moreandmore比较级+and+比较级表示越来越......，若比较级是在前加more构成的，则表示越来越......，应用moreandmore+原级☞Itgetswarmerandwarmerinspring.春天，天气变得越来越暖和。【拓展】the+比较级，the+比较级表示越......，就越......☞Themore,thebetter.越多越好。Asaresult,gettinggood,cleanwaterisbeingaprobleminmanyplaces.因此，在许多地方，获取优质且干净的水成为一个问题。【知识点1】asaresult结果，因此，在句中作状语，并与后边的内容用逗号隔开。☞Hegotuplate.Asaresult,hemissedthebus.他起床晚了。结果，他错过了公共汽车。【知识点2】gettinggood，cleanwater动名词作主语。单个的动名词作主语，谓语动词用单数形式。☞Eatingtoomuchisbadforyourhealth.题组A基础过关练单项选择1.Wealwayshave_______ricefor_______lunch.A.a;aB./;/C.the;theD.an;an2.Howdoyougoto_______work?Iusuallytake_______bus.A.the;aB.an;/C./;aD.the;/3.Shanghaiisin_______eastofChina.A./B.anC.aD.the4.look!Whatisthatmovinghighupin_______sky?Itmustbe_______plane.A.a;theB.the;/C.the;aD./;a5._______ChangjiangRiverisoneof_______longestriversintheworld.A.The;theB.the;/C./;theD./;/6.WeiJieis_______onlyboyinourclasswhohasbeentoAmerican.A./B.anC.aD.the7.Beijingis_______beautifulcity.Itis_______capitalofChina.A.a;aB.the;theC./;theD.a;the8.September_______isTeacher’sDay.A.thetenB.thetenthC.theten’sD.ten9.Whojumps_______highestof_______three?A.a;theB.the;/C./;theD.the;a10.Chinais_______countrywith_______longhistory.A.a;aB.the;theC.a;anD.an;a题组B能力提升练阅读理解Theworlditselfisbeingmuchsmallerbyusingmoderntrafficandmodernmunicationmeans（通讯设备）．Lifetodayismucheasierthanitwashundredsofyearsago，butithasbroughtnewproblems．Oneofthebiggestproblemsispollution．Pollutionesinmanyways．Weseeit，smellit，drinkitandeveneatit．Manhasbeenpollutingtheearth．Themorepeople，themorepollution．Manyyearsago，theproblemwasnotsoseriousbecausetherewerenotsomanypeople．Whenthelandwasuseduportheriverwasdirtyinoneplace，manmovedtoanotherplace．Butthisisnolongertrue．Manisnowslowlypollutingthewholeworld．Airpollutionisstillthemostserious．It'sbadforalllivingthingsintheworld，butitisnottheonlyonekindofpollution．Waterpollutionkillsourfishandpollutesourdrinkingwater．Noisepollutionmakesusangrymoreeasily．Manycountriesaremakingrulestofightagainstpollution．Theystoppeoplefromburningcoalinhousesandfactoriesinthecity，andfromputtingdirtysmokeintotheair．PollutionbySO2isnowthemostdangerouskindofairpollution．Itiscausedbyheavytraffic．Wearesurethatiftherearefewerpeopledriving，therewillbelessairpollution．Theearthisourhome．Wemusttakecareofit．Andwemusttakecareoftheriseinpopulationatthesametime．根据短文内容判断正误（T/F）．11．Ourworldisbeingmuchsmallerbecauseoftheriseinpopulation．12．Pollutionismoreserioustodaythanmanyyearsago．13．Airpollutionisthemostseriouskindofpollutionbecauseit'sbadforalllivingthingsintheworld．14．PollutionbyCO2isnowthemostdangerouskindofairpollution．15．Theunderlinedsentencemeansweshouldprotecttheearthfrombeingpolluted．BTheonechildpolicyinourcountryhasmademostfamiliesmuchsmallerthanbefore.Thatistosay,therearefewerchildreninafamily.ButthepopulationofChinaisstillgrowingfaster.Why?

Infact,it’saseriousproblemnotonlyinChina,butalsointhewholeworld.It’sreportedthattheworldpopulationisexpectedtoreach9,200,000,000by2050.Therearetwoimportantreasons.First,therearestillmoreandmorebabiesborneveryyear.Next,peopleintheworldcanlivemuchlongerthanbefore.Theearthistootired,butithastoburden(担负)moreinthefuture.Whocansaveher?根据所给短文内容，选择正确答案。16.Thepassagetellsusthatthewholeworldissufferingfrom(为……苦恼)the.A.pollutionB.populationC.floodD.hunger17.Theunderlinedword“expect”means_______inthesentence.A.希望B.祝愿C.期待D.预测18.Thepopulationoftheworldwillbeabout______bytheyear2050.A.92millionB.92billionC.9.2billionD.9.2million19.WhichofthefollowingisNOTtrue?A.ThepopulationofChinaisstillgrowing.B.Thenumberofwomenkeepsgrowingtheseyears.C.It’sdiffic