riously(危险地)closetodisappearing④,withonly20to30stillalive.Liketherhinohorn,tigers’ansaresoughtafterformedicines.Theseitemsaretradedillegallyalongwithtigerskins.词海拾贝①decreasev.减少②ensurevt.保证③pollutionn.污染④disappearvi.消失典句欣赏Theeasilycontrolledbirdbecameasourceoffoodforsailorsandwasattackedbyanimalsintroducedtotheislandbyhumanssuchaspigs,monkeysandrats.翻译:这种容易被控制的鸟成了水手的食物来源,同时受到人们带来的动物,诸如猪、猴子和老鼠的攻击。分析:本句是一个简单句。句子的主语是Theeasilycontrolledbird,became和wasattacked是并列谓语,introducedtotheisland...是动词-ed形式构成的短语作定语。理解诱思1.Whatdoesthepassagemainlytellus?答案:Someextinctandendangeredanimals.2.Whatshouldwedotopreventtheseanimalsfromextinction?答案:Open.SectionA ListeningandSpeakingⅠⅡⅢⅠ.知识体系图解posterillegalhuntimmediatelyspeciesalarmrateextinctionmassⅠⅡⅢhabitatawareaverageconcernlivingadaptmeasureauthoritypressure
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