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问题 多项选择题

以下属于主要水工建筑物的有()。

A.导流墙

B.挡水大坝

C.电站厂房

D.引水发电隧洞

E.护岸

答案

参考答案：B, C, D

填空题

Part 4


Questions 26-45


·Read the following passage and choose the best word for each space.
·For questions 26-45, mark one letter A, B, C or D on the Answer Sheet.
During the past ten years (26) attention has been given to "telling it like it is". My impression is that this devotion to (27) one’s mind has more often led to hurt feelings and ruined relationships than (28) great joy.
I think we generally agree that never expressing real feelings and (29) all less-than-lovely thoughts about each other always leads to constructive communication. It’s a great (30) to allow ourselves to admit our human weaknesses and pursue more honest relationships with others. (31) we need to keep a balance between telling it all and telling nothing.
Recently I received a letter from a mother who had been (32) by her son to attend a weekend meeting with him. Under pressure from the group, her defenses cracked and she heard herself (33) her son for the first time that he (34) an accident—that she hadn’t been planning to have a child. He (35) told her that he couldn’t recall a single day in his childhood that he’d been happy. We cried and (36) ; I thought telling the truth had been good for us. But the trouble is, it wasn’t the whole truth. By the time Tommy was born I did want him, and at (37) he was happy. Ever since that day, we (38) . by some terrible feelings we exchanged. I must admit I’ve (39) the conclusion that some things are better left uncovered. Honesty is a fine policy, but we need a new sense of (40) . Disclosing is not a solution to every problem (41) even an end in itself. It’s useful under some circumstances and terribly hurtful under (42) . It’s a good idea, I think, to bite your (43) for ten or fifteen minutes before saying what’s (44) your mind. Try to decide whether it’s going to open up new and better ways of communication or (45) wounds that may never heal.

A．and

B．but

C．nor

D．or
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单项选择题 A1/A2型题

正常成人在心尖四腔切面行三尖瓣口与二尖瓣口舒张期脉冲多普勒血流频谱取样，下列描述正确的为（）

A.三尖瓣血流频谱为负向，二尖瓣为正向

B.三尖瓣血流频谱呈低速单峰

C.三尖瓣血流频谱幅度大于二尖瓣

D.二尖瓣血流频谱幅度大于三尖瓣

E.二尖瓣舒张早期血流频谱幅度小于三尖瓣
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