【单选题】
In some classrooms, desks are arranged in a U-shape, so the teacher can ___ easily with the students.
A. interrupt
B. interact
C. interpret
D. interview
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答案
B
解析
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___
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框架扁梁箍筋构造，关于箍筋加密区范围，以下说法正确的是（ ） 其中：b 为框架扁梁宽度，hb 为框架扁梁高度___
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