糖皮质激素的禁忌证包括（）。 A.患有精神病史 B.活动性消化溃疡 C.角膜炎、虹膜

关于结节性甲状腺肿下列描述错误的是（）

A.结节具有完整的包膜

B.结节对周围甲状腺组织无明显压迫现象

C.可形成嗜酸性结节

D.滤泡上皮有 * * 状增生者可发生癌变

E.结节内常有出血、坏死及囊性变

词汇运用  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.

速率为1Gbps的Gigabit Ethernet发送1比特需要用（）

A．

B．

C．

D．

《瑞文推理测验》主要用于鉴别儿童的（）

A.特殊才能

B.智力

C.创造力

D.领导能力

铜矿石或铜精矿生产铜的方法概括起来有（）和（）两大类。