Unit7Whatsthehighestmountainintheworld?SectionB(3a-SelfCheck).写出下列形容写出下列形容词的比的比较级和最高和最高级1.wild2.thick3.huge4.wide5.dangerous答案答案:1.wilder;wildest2.thicker;thickest3.huger;hugest4.wider;widest5.moredangerous;mostdangerous.句型展示句型展示1.停止向海洋倒垃圾。停止向海洋倒垃圾。Stop_rubbish_thesea.2.鲸鱼的一些身体部位被出售用来制作蜡的一些身体部位被出售用来制作蜡烛和肥皂等和肥皂等东西。西。Whales parts_ _make things_candlesandsoap.答案答案:1.putting;into2.soldto;like3.因因为人人们为了了得得到到肉肉、脂脂肪肪和和食食用用油油而而捕捕杀鲸鱼,一一些些种种类的的鲸鱼正正处在危在危险中。中。Some kinds of whales are_ _because humanscatchwhales_meat,fatandoil.4.我我们应该保保护鲸鱼免受水免受水污染。染。Weshould_whales_waterpollution.5.老虎比人老虎比人强强壮得多。壮得多。Atigeris_thanaman.答案答案:3.indanger;for4.protect;from5.muchstrongerWeshouldprotectwhalesfromwaterpollution.我我们应该保保护鲸鱼免受水免受水污染。染。【 自自 主主 领 悟悟 】 protect是是 及及 物物 动 词 , 意意 为 “保保 护 , 保保 卫 ”;protection是是名名词,意意为“保保护”,常常用用短短语为protect.from.意意为“保保护免免受受的的侵侵害害或或侵侵犯犯”。例例如如: Everyoneshouldprotecttheenvironmentfrompollution.每每个个人人都都应该保保护环境免受境免受污染。染。【温温馨馨提提示示】(1)prevent/stop/keep.fromdoing.“阻阻止止做做;阻止阻止的的发生生”。(2)prevent/stopsb.fromdoingsth.用用法法相相同同,在在主主动语态中中介介词from可可以以省省略略,被被动语态中中不不能能省省略略。keepsb.fromdoingsth.中中的的from无无论在在主主动语态中中还是是在在被被动语态中中都都不能省略。不能省略。【活学活用活学活用】他抬起胳膊他抬起胳膊,保保护他的孩子免受他的孩子免受伤害。害。Heraisedhisarmto_hischild_hurt.我我们应该多植多植树以阻止沙以阻止沙尘暴的暴的发生。生。We should plant more trees to _ the sandstorm_.答案答案: :protect;fromprevent/stop;(from)happeningSome kinds of whales are in danger because humans catchwhalesformeat,fatandoil.因因为人人们为了了得得到到肉肉、脂脂肪肪和和食食用用油油而而捕捕杀鲸鱼,一一些些种种类的的鲸鱼正正处在危在危险中。中。【自自主主领悟悟】beindanger是是介介词短短语,意意为“处在在危危险中中”;其其反反义短短语为:beoutofdanger意意为“脱脱离离危危险”,在在此此,danger是是不可数名不可数名词,意意为“危危险”,其形容其形容词形式形式为dangerous。【活学活用活学活用】Somewildanimalsare(处在在危危险中中)becauseoftheflood.Its(danger)toplayonthestreet.答案答案:indangerdangerous用所用所给词的适当形式填空。的适当形式填空。1.Chinaisalot(crowded)thanCanada.2.Anadultelephantweighsmany(time)morethanababyelephant.3. According to a survey, the noise will prevent the babyrabbitsfrom(grow)normally.4.Theoldmanstopped(write)musiclastyear.5.Thepolicegiveussomuch(protect).答答案案:1.morecrowded2.times3.growing4.writing5.protection选词填空。填空。stop,sea,jump,teeth,for,protect,rules,danger,huge,likeWhalesare1animals.Someofthemhave2.Theyliveinthe3.Theyeatsmallfishandothersealife.Theycan4highoutofthewaterandtheycansingsongs.Theyaresocute.However,somekindsofthemarein5becausehumanscatchwhales6meat,fatandoil.Whalepartssoldtomakethings7candlesandsoap.Besides,peopleputrubbishintothesea.Weshould8whalesfromwaterpollution.Ithinkpeopleshouldmake9onwhaleprotectionand10puttingrubbishintothesea.答案答案:1.huge2.teeth3.sea4.jump5.danger6.for7.like8.protect9.rules10.stop