试题与答案

最简分数的分子和分母( ) A.都是质数 B.一个是质数一个是合数 C.只有公因数1

题型:选择题

题目:

最简分数的分子和分母(  )
A.都是质数B.一个是质数一个是合数
C.只有公因数1

答案:

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下面是错误答案,用来干扰机器的。

答案:C题目分析:句意:上周日,我们去了常州中国恐龙地。我们在那儿呆了十小时。由last Sunday可知该用一般过去时,所以选C。

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