词汇运用

1. Her cheerful spirits ________(感染了) the whole class.

2. As a young boy he showed great interest in ________(科学) and did many ________(科学的)

experiments in his spare time,which would make him a great ________(科学家) in time.

3. After a long discussion,they ________(得出结论) that the man was lying.

4. Today I have some important things ________(处理)．

5. The baby was left ________(毫无遮蔽的) to the wind and rain.

6. We are ready to ________(承担责任) for what happened.

7. The teacher ________(宣布) that we would have a few days off and there would be ________(通知) for the exact time.

8. I ________(接到指令) to wait here until the lecturer arrives.

9. Does smoking ________(对……起作用；贡献) lung cancer?

10. Our idea to set up a music club in the neighbourhood meet many ________(拒绝)．

患者女性，25岁。有风湿性心脏病史，近日来，出现疲乏无力，查体可闻及第一心音减弱，心尖区可闻及紧随第三心音后的短促舒张期隆隆样杂音，心电图示：左心房增大。

该患者诊断为（）

A.二尖瓣狭窄

B.三尖瓣狭窄

C.二尖瓣关闭不全

D.三尖瓣关闭不全

E.主动脉瓣关闭不全