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【单选题】
阻塞性通气不足是由于A.
气道狭窄或阻塞所致气道阻力增加
B.
肺顺应性下降
C.
肺泡扩张受限
D.
肺泡通气血流比例失调
E.
中央气道阻塞
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举一反三
【单选题】Why was the woman attracted by the blog about the flipped classroom?
A.
All students and teachers read it
B.
She learned something new
C.
It was shared on WeChat Moments
D.
She is in a flipped classroom
【单选题】Which of the following statements about' flipped classroom' is true?
A.
The idea of flipped classroom is a completely new concept to revolutionize the way class is organized.
B.
The idea of flipped classroom focuses on teachers' guidance and instruction after class.
C.
The idea of flipped classroom is not well enforced now because of the lame instruction at class.
D.
The idea of flipped classroom radically changes the traditional role of teachers in classroom.
【简答题】He went away without telling anyone, because he didn't want to ______(卷入那件事)
【单选题】I can’t find the recorder in the room. It ____by somebody.
A.
must have taken
B.
may have taken
C.
must have been taken
D.
should have been taken
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