argues是謂語,needed是用來修飾the type of action的,一般英語不用翻譯成中文再找謂語,要習(xí)慣英語的思維方式.比如這里去掉修飾的話就是,the study argues that (the type of action should be similar to that() )....The study argues that the type of action needed against passive smoking 把這部分當(dāng)成主語行么，并說明理由The study argues that()才是這個(gè)復(fù)雜句子的主干，后面的都是它的從句成分。所以不可以。回答的有點(diǎn)遲，望見諒。