初中英语人教版八年级下册Section B 2a—3b Self check

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1、SectionB2(3a—Selfcheck)Step1SummaryImportantphrases:feelfree,asfarasIknow,inthefaceof,eventhough,atbirth,upto,runover,walkinto,fallover,orsoKeysentences:What’sthehighestmountainintheworld?Qomolangma.HowlongisQomolangma?It’s8,844.43metershigh.It’shigherthananyothe

2、rmountain.Whichisthedeepestsaltlakeintheworld?TheCaspianSeaisthedeepestofallthesaltlake.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?Yes,Idid.It’smucholderthantheUS.Importantstructures:1.…cmtaller/shorter2.much/even/alittle/less+比较级3.…timesmorethan….4.T

3、alkabouthowtoprotectpandas.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

4、潜至千米以下，并在水中持续2小时之久。Step3Writing3aReadthefollowingwordsandphrasesaboutwhales.Puttheminthecorrectplaceinthechart.1.Humanscatchwhalesformeat,fatandoil2.Eatsmallfishandothersealife3.Jumphighoutofthewater4.Rulesonwhaleprotection5.Huge6.Waterpollution7.Liveinthesea8.So

5、mekindshaveteeth9.Learnmoreaboutwhales10.Stopputtingrubbishintothesea11.Singsongs12.WhalepartssoldtomakethingslikescandlesandsoapWhatdotheylooklike？ 58Wheredotheylive? 7Whatdotheyeat? 2Whatcantheydo? 311Whydosomeofthemhavetobeprotected? 1612Howcanweprotectthem?49

6、103bWriteaparagraphaboutwhalesandwhytheyneedtobeprotected.Usetheinformationin3a.Thenmakeaposter.Whalesare…Theylivein…Theyeat…Theycan…Oneinterestingfactis…Anotherinterestingfactis…Somekindsofwhalesareindangerbecause…Weshouldprotectwhalesfrom…Ithinkpeopleshould/sho

7、uldn’t…Step4Self-checkReadthesewordsthenfindtherules.clever--cleverer--cleverestnice--nicer--nicesteasy--easier--easiestfat--fatter--fattestthin--thinner--thinnestbeautiful--morebeautiful--themostbeautifulcareful--morecareful--themostcarefulgood/well--better--bes

8、tbad--worse--worstmany/much--more--most1.Completethechart.AdjectivesComparativesSuperlativeshigh higher highestdangerous moredangerous themostdangerouslong lon