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【单选题】
下述关于肺瘀血的描述中哪一项是错误的A.
肺泡壁毛细血管扩张
B.
肺泡内中性白细胞和纤维素渗出
C.
肺泡腔内有水肿液
D.
常可见心衰细胞
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举一反三
【单选题】Not until the press reported the pollution _________ why the water supply had been cut off.
A.
people did know
B.
people had known
C.
did people know
D.
had people known
【多选题】Mark Twain had led an active life in the very center of the American experience. He had been a____________ .
A.
printer, pilot, soldier
B.
silver-minor, gold-washer
C.
lecturer, traveler, businessman
D.
novelist, autobiographer
【简答题】链传动的类型为传动链传动、（）、牵引链传动。
【单选题】Few people believed the dam had been burst because there had been too many false alarms.
A.
Y
B.
N
C.
NG
【简答题】链传动的类型为（）链传动、（）链传动、（）链传动。
【单选题】Fewer people would have died if______.
A.
more announcements had been made
B.
people hadn't used the lifts
C.
the people had obeyed the office
D.
the incident had happened on a weekend
【简答题】链传动的类型为传动链传动、起重链传动、（）。
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