Unit13We’retryingtosavetheearth!SectionA

单词分类与变形Verb-动词1.乱扔(n.)垃圾；废弃物_____________________2.花费(n.)花费；价钱_____________________3.承担得起(后果)；买得起_____________________Noun-名词4.底部；最下部_____________________littercostaffordbottom

5.渔民；钓鱼的人_____________________6.煤；煤块_____________________7.优点；有利条件_____________________8.工业；行业_____________________9.法律；法规_____________________Adjective-形容词10.丑陋的；难看的_____________________fishermancoaladvantageindustrylawugly

11.木制的；木头的_____________________12.塑料的(n.)塑料；塑胶_____________________13.残酷的；残忍的_____________________14.有害的_____________________15.科学上的；科学的_____________________单词72变(写出下列单词的变形)16.advantage(n.)→(n.反义词)_____________________woodenplasticcruelharmfulscientificdisadvantage

17.cost(v.)→(过去式)_____________________→(过去分词)_____________________18.wood(n.)→(adj.)_____________________19.harmful(adj.)→(n.)_____________________20.science(n.)→(adj.)_____________________21.reuse(v.)→(adj.)_____________________22.transport(v.)→(n.)_____________________costcostwoodenharmscientificreusabletransportation

学科素养·发现规律构词法:单词+-able后缀构成对应的形容词(1)动词+able:含义为“能……的”“可以(被)……的”“值得……的”等。e.g.:reuse重复使用→reusable可重复使用的；(2)名词+able:意为“具有……特点的”。e.g.:value价值→valuable有价值的

短语互译23.beharmfulto..._____________________24.在……顶部或顶端_____________________25.食物链_____________________26.参加_____________________27.turnoff_____________________28.payfor_____________________29.takeaction_____________________对……有害atthetopofthefoodchaintakepartin关掉付费；付出代价采取行动

句型填空30.这个镇上的每个人都应参与清理！Everyoneinthistownshould_____________________cleaningitup!playapartin

31.嗯，为了减少空气污染，我们应该乘公共汽车或地铁，而不是开车。Well,_____________________airpollution,weshouldtakethebusorsubwayinsteadofdriving.tocutdown