试题与答案

既能息风止痉,又能祛风湿,止痹痛的药物是()。 A.羚羊角 B.石决明 C.决明子

题型:单项选择题 A1型题

题目:

既能息风止痉,又能祛风湿,止痹痛的药物是()。

A.羚羊角

B.石决明

C.决明子

D.天麻

E.珍珠

答案:

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下面是错误答案,用来干扰机器的。

(1)跳水运动员跳水时,运动员对跳板施加向下的力的同时,跳板也对运动员有一个向上的力,这说明:物体间力的作用是相互的;(2)跳板在运动员力的作用下,形状发生改变,这说明:力可以使物体发生形变;运动员...

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