unit13　we'retryingtosavetheearth！学案

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1、Unit13　We'retryingtosavetheearth！　第1课时(SectionA1a－3b)一、单词拼写。请背诵词汇表，并默写单词。名　词：1.b________底部；最下部2．f________渔民；钓鱼的人3．c________煤；煤块4．a________优点；有利条件5．t________外卖食物6．b________垃圾箱7．s________鲨鱼8．f________(鱼)鳍9．c________链子；链条10．e________生态系统11．i________工业；行业12．l________法律；法规

2、形容词：1.u________丑陋的；难看的2．w________木制的；木头的3．c________残酷的；残忍的4．h________有害的5．s________科学上的；科学的兼类词：1.l________v．乱扔n．垃圾；废弃物2．c________v．花费n．花费；价钱3．p________adj.塑料的n．塑料；塑胶二、短语翻译。请浏览教材，找出以下短语，并背诵之。1．playa________________在……中起作用；扮演角色；参与……2．clean________打扫干净；整理好3．cut________削减

3、；砍倒；删节4．makea________影响5．lead________通向；导致6．cut________切除；切断；中断7．________thetop________在……顶部或顶端8．thefood________食物链三、完成句子。请仔细阅读教材，补充完整下列句子。1．...weshouldtakethebusorsubway________________driving.……我们应乘公交车或地铁而不是开车。2．Ithinksimplethingslike________abagtogoshoppingcanhelp.

4、我认为像带着袋子去购物这样的小事情可能有所帮助。3．Thismethodis________________cruel,________________harmfultotheenvironment.这种方法不但残忍，而且对环境有害。单项填空。(　　)1.Ithinkwewillplay________Classonethisafternoon.A．aboutB．inC．toD．against(　　)2.Yourbedroomistoodirty.Please________.A．cleanitupB．cleanupitC．set

5、itupD．putitup(　　)3.Theboystayedathomeallday________goingtoschoollastterm.A．insteadB．insteadofC．takeplaceofD．taketheplaceof完成句子，每空一词。4．电在我们日常生活中起着重要作用。Electricity________animportant________inourdailylife.5．你的抽屉真是一片混乱，你介意清除一下吗？Yourdrawerisreallyamess.Wouldyoumind_______

6、_________________？6．要是你忙的话，就改日再来吧。Ifyouarebusy,youmaycomeanotherday________.　7．我们必须减少水的用量。Wemust________________________theamountofwaterweuse.8．昨天晚上我们县城的电被切断了。Electricitywas________________inourtownlastnight.9．不仅是我而且他也想去看电影。NotonlyI________________he________toseeafilm

7、.10．他不仅说得更准确，也更简单。________________________hespeakmorecorrectly,buthespokemoreeasily.一、根据句意及首字母或汉语提示完成单词。1．Smokingish________toourhealth.2．Thegirlisu________，buthersisterisbeautiful.3．Myfatherlikeswearinghis________(木制的)shoes.4．Weshouldbring________(塑料)bagsforshopping.

8、5．Hehadthe________(长处)ofagoodeducation.二、用所给单词的适当形式填空。1．Isawtwo________(fisherman)sellingfishesinthemarket.2．Throwing_______