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【单选题】
鼾声呼吸常见于A.
慢性阻塞性肺疾病患者
B.
深昏迷患者
C.
高热患者
D.
喉头水肿患者
E.
尿毒症患者
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举一反三
【简答题】求由摆线 x = a ( t - sin t ) , y = a (1 - cos t ) 的一拱 (0 £ t £ 2 p ) 与横轴所围成的图形的面积 .
【简答题】In the past, man did not have to think about the protection of his environment. There were few people on the earth, and natural resources seemed to be____36____ . Today things are___37_____, the world...
【单选题】— 2008 is drawing near. Any changes in Beijing? — Yes, more stadiums arc being built, and ______ people are learning English. [ ]
A.
more and more
B.
the more and the more
C.
the more and more
D.
more and the more
【单选题】―Were there any sharks in the aquarium? ―______. [ ]
A.
Yes, there were
B.
No, there wasn't
C.
Yes, there was
D.
No, there were
【单选题】Were there any sesame streets in 1969?
A.
Yes, they taught Children.
B.
No, they were imaginary.
C.
Yes, they were in the South Africa.
D.
No, they were in the future.
【单选题】--- ___________ there any sharks in the aquarium? --- No, we didn’t see any.
A.
Did
B.
Had
C.
Have
D.
Were
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