属于Ⅰc类的抗心律失常药物是（）。 A.奎尼丁 B.利多卡因 C.普罗帕酮 D.胺碘

Questions 24-30

·Look at the questions for this part.
·You will hear a passage about job. You will listen to it twice.
·For questions 24-30, indicate which of the alternatives A, B, or C is the most appropriate response.
·Mark one letter A, B, or C on the Answer Sheet.

We can infer from this passage that a change-over of roles in the family ______.

A．is quite necessary in modern life

B．is probably based on some practical reasons

C．aims solely at a complete emancipation of women

大部分癫痫是（）

A.原发性

B.继发性

C.非典型小发作

D.反射性

E.肌痉挛发作

（）不是物品采购的基本经济指标。

A.适质

B.适量

C.适时

D.适用

塞尺又叫厚薄规，在维修中常用来测量配合表面的（）大小。

A、长度

B、平行度

C、垂直度

D、间隙

简述抽提的目的？