局部放电试验（）必须进行一次视在放电量的校准。 A.回路每改变一次 B.每断电一次

补全对话

根据对话内容,  从对话后的选项中选出能填入空白处的最佳选项.选项中有两项多余选项。

A: I've heard that you've got hurt. Can you tell me how it happened.

B: Certainly. I was climbing a mountain on a Sunday last month.  1   We got lost and trapped on

    the mountain for four days. The temperature fell quickly and we didn't have any equipment and food.

A: So what happened?  2  

B: Yes,   but we were very sick. I couldn't move my legs because of cold. I spent two weeks

     in hospital.  3  

A: It's a pity to hear that. But you try your best to act actively.

B: In fact,   I've decided to have an artificial leg.   4   We can use modern technology to help us.

A: Can you go climbing again with the new leg?

B: I think I can.   5 

A: How I hope for your speedy recovery!

B: Thank you. I believe in myself.

A. I realize being physically disabled holds no terror for me.

B. The weather changed,   and a heavy snow came.

C. Some villagers came and gave us some food.

D. Unfortunately,   I got my leg removed.

E. But I was really feeling upset sometimes.

F. I guessed you were rescued,   right?

G. But I'll have to practice a lot before doing that.

肛旁突然剧痛，并出现肿物，触压痛明显，未见出血，可能的诊断是：

A．直肠息肉

B．血栓外痔

C．肛瘘

D．肛裂

E．脱肛

先天性遗传性疾病产前诊断不包括（）。

A.性连锁遗传病

B.神经管缺陷

C.肝炎

D.黏多糖沉积病

E.胰腺纤维囊性变

对脑血管选择性较高的钙拮抗药是（）

A.地尔硫

B.尼群地平

C.尼莫地平

D.硝苯地平

E.维拉帕米

下列关于资本主义国家法律制度的表述，不能成立的是

A．英美法系国家的法院有通过具体案件确定是否符合宪法的司法审查权

B．法国资产阶级法律体系的创立为大陆法系的形成奠定了基础

C．资本主义法律制度的核心是私有财产神圣不可侵犯

D．资产阶级国家 * * 的建立是资产阶级法律产生的前提