题目

Things of_____ kind come together;people of ____kind fall into __ same group A.the;the;the    B.a;a;the C.the;the;a      D  a;a;a 答案:B 解析: 名词+of a kind=名词+of the same kind,指“同类的……”。same前必须用定冠词。若分式的值为零,则x的值为( )A.1B.-1C.±1D.0
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