英语人教版八年级下册unit7 section a

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Unit7Whatisthehighestmountainintheworld?第一课时(1a-2c)Step1　Presentation:learnthenewwordssquaren.平方；正方形　metern.米　deepadj.深的　desertn.沙漠　populationn．人口　Asian.亚洲　tourv.&n．旅行　touristn.旅行者walln.墙　amazingadj.令人大为惊奇的　ancientadj.古代的　protectv.保护　wideadj.宽的；宽阔的Step2　Showlanguageaims.Step3Warmingup1．Letthestudentswatchthepicturesandtalkaboutthembyusing“Howdeep/high/long/bigis…？”andhelpthestudentstoanswer：It's…meters/kilometers/squarekilometersdeep/high/long/insize.2．Lookatthesephotosandpracticethedialogue.A:HowhighisQomolangma?B:It's8，844.43metershigh.Step3　MatchthefactsyouknowPracticeinpairsusingtheinformationin1a.Qomolangma　　　about9，600，000squarekilometersinsize TheSahara1，025metersdeepTheCaspianSea6，671kilometerslongTheNile8，844.43metershighStep4　Explanation1.8，844.43metershigh8844.43米高…metershigh/long/wide…/……米高/长/宽……【点拨】英语中表示“有多长/宽/高……”时，一般用“数词＋量词＋表示长、宽、高的形容词”结构。e．g.Thewallis1.7meterswide.这堵墙1.7米宽。2.Thewaytoreadthebignumber.Step5　Listening1．1b　Listenandcompletethesentences.(1)Qomolangmais________thananyothermountainintheworld.(2)TheSaharais________desertintheworld.(3)TheCaspianSeais________ofallthesaltlakes.(4)TheNileis________riverintheworld. 2．2a　Listenandnumberthefacts(1－4)intheorderyouhearthem.2b　Listenagainandfillintheblanksin2awiththenumbersinthebox.________TheYangtzeRiverisabout________kilometerslongandtheYellowRiveris________kilometerslong.________Chinahasthebiggestpopulationintheworld.It'salotbiggerthanthepopulationoftheUS.________Chinaisover________yearsold.IthasamuchlongerhistorythantheUS.TheUSisnoteven________yearsold.________ChinaisalmostasbigastheUS,anditisthebiggestcountryinAsia.Step6　PracticeMakeconversationsinpairsbyusingtheinformationin2a.e．g.A:DidyouknowthatChinaisoneoftheoldestcountriesintheworld?B:Yes,Idid.It'smucholderthanmycountry.Step7Makeasummaryofthisclass.Step8Homework1.配套练习SectionA； 2.用所学描述长宽高的句型，造三个句子；3.找出文中所出现的形容词最高级的短语，以小组为单位，总结最高级用法。SectionA练习题(一)写出下列单词的比较级和最高级。1．high________________　　　　　　2.deep________________3．big________________4.long________________5．old________________6.young________________(二)汉译英。1．最高的山________________2.最长的河________________3．1025米深________________4.八百万平方公里________________5．……的人口________________6.……的高度________________7．和……一样大________________8.在亚洲________________9．最古老的国家之一________________三．单项选择。 (　　)1.It's________intheworld.A．thebiggestdesertB．biggestdesertC．thebiggestdesertsD．biggerdesert(　　)2.Therearenomanmadeobjectsas________astheGreatWall.A．biggerB．bigC．biggestD．thebiggest(　　)3.TheNileis6，671________．A．kilometersB．kilometerC．kilometerslongD．kilometerlong(　　)4.MountTaiis________lowerthanQomolangma.A．lotsofB．manyC．veryD．much(　　)5.Shanghaiisoneof________intheworld.A．morebigcityB．thebiggestcityC．thebiggestcitiesD．themostbigcity(　　)6.AllChinesepeoplehopethathewillwin________goldmedalsinthefuture.A．fewerB．lessC．muchD．More 四．用所给词的适当形式填空。1．Tomis________(tall)thananyotherstudentinhisclass.Soheis________(tall)inhisclass.2．LiMingisoneof________(clever)boysinourclass.3．Thesunis________(bright)thanalltheotherstarsbecauseitis________(near)totheearth.4．Theearthreceives________(little)heatfromthesuninwinterthaninsummer.5．Thetrainisrunning________and________(fast)．6．Hesaidthatitwas________(happy)dayinhislife.