2016年秋九年级英语人教版练习：Unit 13 单元写作小专题.doc

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1、单元写作小专题&SectionB(3a～3b)【单元写作目标】能描述地球的环境问题、原因及解决问题的建议。1.能用“usedto，atpresent，however”等词来描述当今的环境变化；2.能用“Ithinkweshould…/Isuggestthat…/We'dbetter…/Wecould…/It'sagoodideato…”等句型来提出解决环境问题的建议。一、语言积累(一)Environmentalproblemsandreasons:根据句意及汉语提示完成下列句子。1.Theriv

2、erusedtobeclean，butnowthe________(底部)oftheriveris________(充满着)of________(垃圾).2.Peopleare________(乱扔)rubbishintheriverandfactoriesare________(倒入)wastewaterintotheriver.That'swhytheriverbecomesdirtieranddirtier.Asaresult，thereisnomorefishfor________(渔民

3、)tocatch.3.Alotof________(工业的)wastewatercomesfromthefactories.4.Peopleusealargenumberof________(塑料)bagseveryday.Peopleare________(扔)thosebagseverywhere.Thisturnsthebeautifulcitiesinto________(丑陋的)ones.What'sworse，theyalsopollutetheearth.5.Thefactorie

4、sthatburn________(煤)pollutetheairwithalotofblacksmoke.Theair________(污染)isgettingworseandworse.6.Atpresent，planesarewidelyusedinourdailylife，which，however，makesalotof________(噪音).7.Manyanimalsareendangeredbecauseofthe________(残酷的)hunting.8.Wearen'tab

5、letoseestarsintheskyjustlikebefore.Theproblemisthatpeopleusetoomuch________(灯光).Andit'salso________(有害的)totheenvironment.9.Manythingsweusedmaybethrownawayandwehardlyever________(再利用)them.10.Weusenicepapertowrap(包装)thepresent.Doyouthinkthenicepaperis_

6、_______(必要)ornot?(二)请将以上的环境问题进行分类，将序号填入以下相关的污染类别后。A:airpollution________B:noisepollution________C:waterpollution________D:wastepollution________(三)以下行为会导致哪些污染，请从(二)里选择。()1.blacksmoke()2.thehorn(喇叭)()3.washingclothesintheriver()4.smokingcigarettes()5.

7、usethrow－awaychopsticks(四)Solutions:根据句意及首字母或汉语提示完成下列句子。●Tocutdownairpollution1.Ithinkweshouldn'tsmokeinp________.2.We'dbettertakethebusorsubway________(代替)ofdriving.●Tocutdownwaterpollution3.Everyoneshouldplayapartinc________uptheriver.4.Let'sstopfa

8、ctoriesfrompouring________________(废水).5.Don't________(乱扔)rubbishintheriver.●Tocutdownwastepollution6.Wecould________(重复使用)theoldthings，suchasoldglassbottles，oldclothesandsoon.7.Peoplecould________(节约)electricitybyturningoffthelightswhentheyleavearoo