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Trees 　　 fight air pollution. They are natural air conditioners.A. should B. must C. need D. can

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—It’ssmoggythesedays.That’sterrible!—YesIhopetopla

The more; the fewer the less; the more The less; the fewer The more; the less

阅读下面短文根据上下文填入适当的词语或使用括号中的词语的适当形式填空并将答案填写在答题卡上标号为31

Withthedevelopmentofindustryairpollutionisgettingm

Thethreatofairpollutionisrealandweshouldn't_______

hand over shrink from pull over arise from

Wehavefriendstohelpusfightagainstpollutionandtrees

themselves they their them

Withthe1____________developofindustryairpollutioni

Withthe61______developofindustryairpollutionisgett

Withthe41developofindustryairpollutionisgettingmor

Trees____fightairpollution.Theyarenaturalaircondit

should must need can

Hundredsofyearsagolifewasharderthanitistoday.Peopl

Thethreatofairpollutionisrealandweshouldn’t_______

hand over shrink from pull over arise from

----It’ssmoggythesedays.That’sterrible!-----YesIho

The more; the fewer the less; the more The less; the fewer The more; the less

Wehavefriendstohelpusfightagainstpollutionandtrees

themselves they their them

－It’ssmoggythesedays.That’sterrible!－YesIhopetopla

The more; the fewer The less; the more The less; the fewer The more; the less

Withthedevelopmentof41______industrialairpollution

1分Treesarethebestfightagainstairpollution.

Wehavefriendstohelpusfightagainstpollutionandtrees

themselves they their them

阅读理解:Hundredsofyearsagolifewasmuchharderthanitisto

Withthe1_______developofindustryairpollutionisgett

Withthe31_____________developofindustryairpollutio

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