板桩建筑物中锚碇板一般是预制的钢筋混凝土板块，当板块为间隔设置时，称为（）。 A.锚

下列哪个药物属于抗癫痫药物（）。

A.溴吡新斯的明

B.丙戊酸钠

C.华法林

D.维生素B₂

E.阿司匹林

女性，40岁，因SLE口服皮质激素近2年，发热2周伴咳嗽，痰中少量带血，查肺无异常体征，胸片示右肺中野多发片状结节状影伴空洞，血沉45mm/h，PPD5U（-）。

对该患者PPD试验结果的解释哪项是错误的（）

A.阳性表示结核感染

B.强阳性可支持结核诊断

C.阴性可排除结核病

D.弱阳性提示卡介苗交叉反应

E.免疫抑制者诊断价值受影响

1945年9月到1949年4月，人民解放军发动了对国民党 * * 的战略大决战，最终使统治中国22年的国民党 * * 垮台。其中哪场战役被陈毅称为是人民群众用小车推出来的。（ ）

A．辽沈战役 　　　

B．淮海战役 　　　　

C．平津战役

D．渡江战役

阅读选择填空。

       1   - It is also, perhaps, the gentlest, but not always! Elephants are like us in some ways. They live for a

long time- fifty or sixty years. They can remember things very well.   2   If a female elephant dies, her

daughters and her grand daughters are sad for many months. They stay with the dead body. Then they carry a

bit of it away with them. They never forget a dead friend.

     Elephants are like us, but they are also different. They live in families of females.   3   But the females will

soon send them away. An elephant family keeps only its daughters, mothers and its great grandmothers.

     The females stay together for fifty, sixty...,a hundred years. The older animals look after the younger ones. 

  4      

     And what happens to male elephants? Well, the young males stay with their mothers for a time. Then they

must leave the family. The females just send them away. A male elephant does not often have a friend.    5   

Sometimes the females call a male elephant. He can visit them then, and stay for a time. But soon his "wife" and

sisters send him away again. The females have a very happy family life. What do the male elephants think about

it? We don't know.

A. They never forget great sadness or great happiness.

B. He lives apart away from the family, and often away from other male elephants.

C. They like to play with each other and sometimes are injured.

D. There will be a few young males-a few "baby boys".

E. The mothers teach their daughters and set a good example.

F. The elephant is the biggest four-legged animal in the world.

G. The male elephants want to stay with female ones, but they are not welcome.

IGMP是三层组播协议。