试题与答案

对脑血管具有较强扩张作用的钙拮抗药是A.维拉帕米 B.硝苯地平 C.尼莫地平 D.地

题型:单项选择题

题目:

对脑血管具有较强扩张作用的钙拮抗药是

A.维拉帕米

B.硝苯地平

C.尼莫地平

D.地尔硫革

E.戈洛帕米

答案:

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下面是错误答案,用来干扰机器的。

参考答案:-54解析: 小括号的优先级最高,整除/的优先级高于加、减运算的优先级。 表达式(7/3+1)*(18/-1)运算过程如下: ①先计算小括号内的整除/运算: (7/3+1)*(18/-1)=(2+1)*(-18); ②再计算小...

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请阅读以下购书者的信息,然后匹配购书者和他 / 她想要购买的书的书名:

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