题目内容

男性，10岁，自幼发现心脏杂音，易感冒，诊断为先天性心脏病，肺动脉口狭窄，心脏听诊可发现（）

A. 胸骨左缘第2肋间机器样杂音
B. 心尖区吹风样收缩期杂音
C. 胸骨左缘第2肋间收缩期杂音，肺动脉瓣第二音减弱
D. 胸骨左缘第3～4肋间收缩期杂音
E. 胸骨左缘第2肋间收缩期杂音，肺动脉瓣第二音亢进

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On a vessel proceeding from a very cold to a warm climate with a cargo of a nonhygroscopic nature in the holds，which is TRUE?（）.

A. Danger of heavy ship sweat exists； constant and vigorous ventilation is required
B. There is danger of heavy cargo sweat if outside air is introduced by ventilation
C. There is little danger of ship's sweat，slight possibility of cargo sweat； moderate ventilation is needed
D. The possibility of any sweat problem，either cargo or ship，is remote

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