Unit5RevisionAsksomestudentstoreadthearticlein2b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。Checkthepreview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--抹香鲸能潜至千米以下,并在水中持续2小时之久。Readthefollowingwordsandphrasesaboutwhales.Puttheminthecorrectplaceinthechart.1.Humanscatchwhalesformeat,fatandoil2.Eatsmallfishandothersealife3.Jumphighoutofthewater4.Rulesonwhaleprotection5.Huge6.Waterpollution3aTask17.Liveinthesea8.Somekindshaveteeth9.Learnmoreaboutwhales10.Stopputtingrubbishintothesea11.Singsongs12.WhalepartssoldtomakethingslikescandlesandsoapWhatdotheylooklike?Wheredotheylive?Whatdotheyeat?Whatcantheydo?Whydosomeofthemhavetobeprotected?Howcanweprotectedthem?587231116124910Writeaparagraphaboutwhalesandwhytheyneedtobeprotected.Usetheinformationin3a.Thenmakeaposter.3bTask2Whalesare…Theylivein…Theyeat…Theycan…Oneinterestingfactis…Anotherinterestingfactis…Somekindsofwhalesareindangerbecause…Weshouldprotectwhalesfrom…Ithinkpeopleshould/shouldn’t…1.Completethechart.AdjectivesComparativesSuperlativeshighdangerouslongpopularhigherhighestmoredangerousthemostdangerouslongerlongestmorepopularthemostpopularTask32.Matchverbsandobjects.Thenaddonemoreobjecttoeachlist.VerbsObjects1.reacha.mylife,mymoney,…2.achieveb.thetopofamountain,thelibrary,…3.riskc.mydream,success,…myhealththeendsthefarmhouseTask43.Circlethecorrectwordand/orfillintheblankwiththecorrectformofthewordinbracketsforeachsentence.1.Anelephantweighs(few/many)timesmorethanadog.2.Anadultpandacaneat(much/alittle)morethanacat.3.Canadaisa(little/lot)less______________(crowded)thanChina.4.Atigeris(much/alittle)_________(strong)thanaman.morecrowdedstrongerTask51.Thebiggest______intheworld...