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【简答题】
流脑的传播源是什么？传播途径有哪些？容易感染吗？
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皮皮学刷刷变学霸
举一反三
【单选题】____ talking with his Grandma, he went away without saying a word.
A.
Tiring with
B.
Tiring of
C.
Tired with
D.
Tired of
【单选题】--- Is Li Ming in the classroom? --- No, he there. I saw him in the reading room just now.
A.
can’t be
B.
mustn’t be
C.
needn’t be
D.
is
【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.
【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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