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【简答题】
旧时四更天指的是__。
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反馈参考答案：
举一反三
【简答题】If we are to be a sustainable society, we need to encourage more farms with a method of fanning that cooperate with nature.
【单选题】When we listen for a particular purpose, to find information we need to know, the kind of listening we are involved in is called _______ listening.
A.
central
B.
focused
C.
bottom-up
D.
top-down
【判断题】If we need to draw a circle in a plane, we only need to known the diameter of it.
A.
正确
B.
错误
【简答题】非传染性致热原 包括 ( )、( )等。
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