按照《服务贸易总协定》的定义，“从一成员的境内向另一成员的境内提供服务”，称为（）A

胆囊结石行腹腔镜胆囊切除术的手术禁忌证包括（）。

A.合并急性胆囊炎

B.不能耐受手术

C.不能耐受气腹且不具备行腹壁悬吊免气腹手术条件

D.妊娠

E.手术医师不具备足够的微创外科经验和技术

关于纵向受力钢筋的接头面积百分率的设计要求的规定，表述有误的是( )。

A．在受拉区不宜大于50%
B．接头不宜设置在有抗震设防要求的框架梁端、柱端的箍筋加密区
C．对等强度高质量机械连接接头，不应大于70%
D．直接承受动力荷载的结构构件中，不宜采用焊接接头

用所给词的适当形式填空，每空不限一词。

1. I think it's _____ (use) to talk with him. It's difficult to change his mind.

2. The terrible snowstorm kept them from _____ (ski) last week.

3. My uncle will come back from London. I'm waiting for his _____ (arrive).

4. _____ (wolf) eat smaller animals when they are hungry.

5. _____ (luck), he was hurt badly.

6. His grandpa was lucky enough to stay _____ (live) during the earthquake.

7. Lushan is so beautiful that he wants to go there for the _____ (two) time.

8. We should encourage people _____ (not cut) trees any more.

9. I _____ ( drive ) to Beijing when my car broke down.

10. The young trees _____ (die) soon if you don't water them in time.

中国实行差额选举，其中间接选举多于应选名额的（）倍。

A.1/3—1

B.1/3—1/2

C.1/5—1/2

D.1/5—1/3

简述会计要素的概念。