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【判断题】
当机翼迎角大于临界迎角时,升力系数随迎角的增大而增大。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】The experiment requires more money than ______. A. have been put in B. being put in C. has been put in D. to be put in
A.
have been put in
B.
being put in
C.
has been put in
D.
to be put in
【单选题】典型麻疹的出疹顺序是
A.
先见于耳后、发际、颈部，逐渐蔓延至额面、躯干及四肢
B.
先见于四肢，渐出现于躯干、面部
C.
先见于躯干，渐延及四肢、面部
D.
先见于手足，渐延及四肢、躯干、面部
E.
先见于前胸，后延及面部、四肢
【单选题】The research requires more money than ________.
A.
have been put in
B.
has been put in
C.
being put in
D.
to be put in
【单选题】“ They went to the lecture, but it had been put off.” “ Oh, so they _______.”
A.
needn’t have gone
B.
should have gone
C.
mustn’t have gone
D.
don’t need to go
【简答题】A．肝气郁结 B．肝火上炎 C．肝阴不足 D．肝阳上亢 E．肝胆湿热 症状多表现在头面部，性质属阳热，多兼出血的证候是
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