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问题 多项选择题

生物资源条件调查有（）和疫病调查。

A.动物资源

B.海洋渔业资源

C.植物资源

D.微生物资源

答案

参考答案：A, C, D

选择题
— Susan was happy like crazy!
— No wonder! Her parents approved of her adventurous trip to Africa that she ____ for years.

A. has been expecting
B. was always expecting
C. had been expecting
D. has expected
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单项选择题

为了区别红白血病与巨幼红细胞性贫血，下列首选试验是（）

A.POX染色

B.PAS染色

C.ALP积分测定

D.α-NAE染色

E.以上都不是
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