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【简答题】
通过查看教材的附录,可以发现求浮点数绝对值的函数名称是_____(4个字母),有_____个参数,返回值类型是______。 在数学库函数中,求平方根的函数名是_____,有1个参数;计算x的y次方的函数名是pow,有______个参数,返回值类型是_____(填写英文)。
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反馈参考答案：
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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