七年级英语下册 unit 7 it’s raining section b 2（3a-self check）教案 （新版）人教新目标版

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1、Unit7It’srainingSectionB2(3a—Selfcheck)Step1SummaryImportantphrases:feelfree,asfarasIknow,inthefaceof,eventhough,atbirth,upto,runover,walkinto,fallover,orsoKeysentences:What’sthehighestmountainintheworld?Qomolangma.HowlongisQomolangma?It’s8,844.43meters

2、high.It’shigherthananyothermountain.Whichisthedeepestsaltlakeintheworld?TheCaspianSeaisthedeepestofallthesaltlake.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?Yes,Idid.It’smucholderthantheUS.Importantstructures:1.…cmtaller/shorter2.much/even/a

3、little/less+比较级3.…timesmorethan….4.Talkabouthowtoprotectpandas.Step2Leadin对于鲸鱼你知道多少？鲸的体型是世界上存在的动物中最大的，鲸是终生生活在水中的哺乳动物，对水的依赖程度很大，以致它们一旦离开了水便无法生活，鲸形状像鱼，鼻孔在头的上部，用肺呼吸。体长可达三十米，是现在世界上最大的动物。鲸为适应水中生活，减少阻力，它们的后肢消失，前肢变成划水的浆板。身体成为流线型，酷似鱼。因而它们的潜水能力很强，小型齿鲸可潜至100-300米

4、的水深处，停留4-5分钟，长须鲸可在水下300-500米处待上1小时，最大的齿鲸--抹香鲸能潜至千米以下，并在水中持续2小时之久。Step3Writing3aReadthefollowingwordsandphrasesaboutwhales.Puttheminthecorrectplaceinthechart.1.Humanscatchwhalesformeat,fatandoil2.Eatsmallfishandothersealife3.Jumphighoutofthewater4.Ruleso

5、nwhaleprotection5.Huge6.Waterpollution7.Liveinthesea8.Somekindshaveteeth9.Learnmoreaboutwhales10.Stopputtingrubbishintothesea11.Singsongs12.WhalepartssoldtomakethingslikescandlesandsoapWhatdotheylooklike？ 58Wheredotheylive? 7Whatdotheyeat? 2Whatcantheyd

6、o? 311Whydosomeofthemhavetobeprotected? 1612Howcanweprotectthem?49103bWriteaparagraphaboutwhalesandwhytheyneedtobeprotected.Usetheinformationin3a.Thenmakeaposter.Whalesare…Theylivein…Theyeat…Theycan…Oneinterestingfactis…Anotherinterestingfactis…Somekind

7、sofwhalesareindangerbecause…Weshouldprotectwhalesfrom…Ithinkpeopleshould/shouldn’t…Step4Self-checkReadthesewordsthenfindtherules.clever--cleverer--cleverestnice--nicer--nicesteasy--easier--easiestfat--fatter--fattestthin--thinner--thinnestbeautiful--mor

8、ebeautiful--themostbeautifulcareful--morecareful--themostcarefulgood/well--better--bestbad--worse--worstmany/much--more--most1.Completethechart.AdjectivesComparativesSuperlativeshigh higher highestdangerous moredangerous themostd