男，30岁，在肾上腺区可见一直径3cm的肿物，外缘光滑。T加权像呈低信号，T加权像信

与受体亲和力较强，但内在活性较弱

A．拮抗剂
B．激动剂
C．部分激动剂
D．非竞争性拮抗剂
E．竞争性拮抗剂

完形填空。
Mothers' Day is coming near.I am    1   what present I should give to my mother. She is a factory worker and    2   very hard. She has to do all the housework herself because my father is a pilot and he is    3   at home. My family is not rich but my mother tries her best to    4   my old grandparents. Also she     5   a lot of attention to my studies. She doesn't buy    6   new clothes for herself but she saved money to buy a computer for me.I love her very much. Just flowers or a card can not show my love to my mother and she will be unhappy with me if I spend money    7    such things. And I think my prize in the English competition (竞赛) must be the best     8   for her.I will show her my prize and say,"I am very    9   to you and you are the greatest mother in the world. "   10   I will give her a long,deep kiss. I'll tell her I will love her forever.
( )1. A. replying         ( )2. A. works             ( )3. A. always           ( )4. A. look after       ( )5. A. shows             ( )6. A. some             ( )7. A. at               ( )8. A. housework         ( )9. A. sorry             ( )10. A. At the same time	B. causing B. plays   B. seldom   B. pray for B. draws   B. no       B. for     B. present B. sad     B. In time	C. remaining C. pracdces C. often     C. hold to   C. attracts C. few       C. on       C. clothes   C. grateful C. On time	D. considering D. decides     D. sometimes   D. pick up     D. pays       D. any         D. in         D. computer   D. frightened D. At times

简述换热器的检查内容。

2008年9月25日我国利用“神舟七号”飞船将航天员翟志刚、刘伯明、景海鹏成功送入太空，9月26号北京时间4时04分，神舟七号飞船成功变轨，由原来的椭圆轨道变为距地面高度为h的圆形轨道．已知飞船的质量为m，地球半径为R，地面处的重力加速度为g，则飞船在上述圆轨道上运行的动能（　　）

A．等于

1

2

mg（R+h）

B．等于

1

4

mg（R+h）

C．等于

mgR2

2(R+h)

D．等于

1

2mgh

Après la formation, il a obtenu ______ de conduire.

A．le permis

B．la licence

C．la tyrannie

D．la tolérance