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Social attention should be paid          our earth from        .    
A. to prevent; being pollutedB. to preventing; polluted 
C. to prevent; pollutingD. to preventing; being polluted
D
考查固定结构以及被动语态。Pay attention to sth/doing sth注意…;第一空是被动语态;prevent sb (from) sth/doing sth阻止某人做某事;本题也是被动语态。句意:我们应该特别注意要阻止我们的地球被污染。
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