题目内容

女性患者,72岁,冠心病患者,1周前出现呼吸困难。查体:口唇发绀,双肺底可闻及湿啰音,肝大,双下肢水肿,该患者发绀属于

A. 肺性发绀
B. 心性混合性发绀
C. 淤血性周围性发绀
D. 缺血性周围性发绀
E. 混合性发绀

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When we get our tickets, ______ be marked "first class".

A. it is to
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C. they were to
D. they will

The children were (surprised) when the teacher (had) them (to) close their books (unexpectedly).

A. surprised
B. had
C. to
D. unexpectedly

The author of these paragraphs is probably a(n) ______ .

A. historian
B. philosopher
C. anthropologist
D. linguist

The reason why religious leaders assumed the task as performers was ______.

A. to prevent serious mistakes in performing rites
B. to have the chance of putting masks and costumes on the stage
C. to separate audience and performers
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