1、1Unit 13 Were trying to save the earthPeriod 1 Section A (1a-2d)课时训练I .根据句意完成给出首字母或汉语的句子。1.There is no l_ on the street , its very clean .2.Therere all kinds of fishes at the _(底部)of the ocean . 3.My homwtown is rich in _(煤). 4.Its a w_ bridge, but its very strong . 5.The “white litter” refers to th
2、e white p_ bags . II.单项填空：( )1.Were trying _ the animals endangered in the forest . A.saving B.save C. to save D. saved ( )2.The river is dirty, were taking a part in _ . A.clean it up B. cleaning it up C. clean up it D.cleaning up it ( )3.He always has good ideas for _ such problems .A.solve B.to s
3、olve C.solving D. solved ( )4.Sometimes a small deed can _ to others . A.make a difference B.make a different C.make difference D.make differences ( )5. _ air pollution , we walk to work instead of _. A.To cut down; driving B.Cutting down; driving C.To cut down; to drive D.Cutting down; to driveIII.
4、用所给单词的适当形式完成句子。1. His fathers words made a _(different) to his final decision . 2.All the furnature in the house _(cost) him much money last year .3.Do you have any idea for _(take) a driving test ? 4._(finish) the work on time , they work hard late in the night . 5.Simple things like _(pick) up was
5、te paper can help a lot . IV.根据汉语提示，完成句子。21.The city government decided to _ _ (关闭)the paper factory . 2.Everyone in our school _ _ _ _ (参与)_ _ (清理)the river . 3.The _ _ (底部)the lake is _ _ (充满)rubbish .4._ _ _ (为了减少)land pollution they plant trees _ _ (代替)cutting them down . 5.So together, our actions can _ _ _ (起作用)and _ _ (导致)a better future !【答案】I. 1.litter 2.bottom 3. coal 4.wooden 5.plastic II. 1-5: CBCAAIII. 1.difference 2.cost 3.taking 4.To finish 5.picking IV.1.close down 2.takes a part in ; cleaning up 3.bottom of; full of 4.To cut down ; instead of 5.make a difference ; lead to
