1.函数y=根号(x-1)+根号(2-x)中,自变量x的允许值范围是( )2.把函数y=根号(3-x)/x的自变量x允许值范围是( )1.argue的现在分词?2.She ( ) money ,she gets a part-time job.A.need B.dosen't need C.dose need D.needs to3.

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