八年级英语下册 Unit 7 Section B 2.ppt

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1、Unit7Unit7What'sthehighestmountainintheworld?SectionB23a-SelfcheckSummaryImportantphrases:feelfreeasfarasIknowinthefaceofeventhoughatbirthuptorunoverwalkintofalloverorso随意就我所知面对（问题、困难）即使；虽然出生时到达跑上前去；跑过去走路时撞着绊倒大约Importantsentences:What’sthehighestmountainsintheworld?Qomolangma.Howlongi

2、sQomolangma?It’s8,844.43metershigh.It’shigherthananyothermountain.Whichisthedeepestsaltlakeintheworld?TheCaspianSeaisthedeepestofallthesaltlake.DidyouknowthatChinaisoneoftheoldestcountriesintheworld?Yes,Idid.It’smucholderthantheUS.1.…cmtaller/shorter2.much/even/alittle/less+比较级…timesm

3、orethan….Talkabouthowtoprotectpandas.Importantstructures: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。对于鲸鱼你知道多少？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--抹香鲸能潜至千

4、米以下，并在水中持续2小时之久。Readthefollowingwordsandphrasesaboutwhales.Puttheminthecorrectplaceinthechart.1.Humanscatchwhalesformeat,fatandoil2.Eatsmallfishandothersealife3.Jumphighoutofthewater4.Rulesonwhaleprotection5.Huge6.Waterpollution3a7.Liveinthesea8.Somekindshaveteeth9.Learnmoreaboutwhale

5、s10.Stopputtingrubbishintothesea11.Singsongs12.WhalepartssoldtomakethingslikescandlesandsoapWhatdotheylooklike？Wheredotheylive?Whatdotheyeat?Whatcantheydo?Whydosomeofthemhavetobeprotected?Howcanweprotectedthem?58723111612491011Writeaparagraphaboutwhalesandwhytheyneedtobeprotected.Uset

6、heinformationin3a.Thenmakeaposter.3bWhalesare…Theylivein…Theyeat…Theycan…Oneinterestingfactis…Anotherinterestingfactis…Somekindsofwhalesareindangerbecause…Weshouldprotectwhalesfrom…Ithinkpeopleshould/shouldn’t…clever--cleverer--cleverestnice--nicer--nicesteasy--easier--easiestfat--fat

7、ter--fattestthin--thinner--thinnestbeautiful--morebeautiful--themostbeautifulcareful--morecareful--themostcarefulgood/well--better--bestbad--worse--worstmany/much--more--most仔细观察，试着总结规律！火眼精金Selfcheck1.Completethechart.AdjectivesComparativesSuperlativeshighdangerouslongpopularhigherhig

8、hestm