能固精、缩尿、止泻，平喘的药物是（）。 A.白果 B.菟丝子 C.

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问题单项选择题

能固精、缩尿、止泻，平喘的药物是（）。

A.白果

B.菟丝子

C.沉香

D.补骨脂

E.龙骨

答案

参考答案：D

选择题

I've tried very hard to improve my English. But by no means _____ with my progress. 　　[ ]

A. the teacher is not satisfied

B. is the teacher not satisfied　　

C. the teacher is satisfied

D. is the teacher satisfied

问答题简答题

病害对植物生理生化有何影响？作物抗病的生理基础如何？