题目内容

His father went to his doctor for _______about his trouble.

A. an advice
B. some advice
C. advices
D. the advices

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Swimming is ______in summer.

A. a great fun
B. great fun
C. great funs
D. great a fun

Is there ______on that plate?

A. some chicken
B. any chicken
C. some chickens
D. any chickens

若干个整数的公因数中最大的一个叫做最大公因数。

A. 对
B. 错

任意一个整数和质数的关系是互质。

A. 对
B. 错

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