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【简答题】
楼层梯段相邻踏步高度差不应大于（），每踏步两端宽度差不应大于（）。
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知识点：
皮皮学刷刷变学霸
举一反三
【简答题】A．cope B．engage C．deal D．relate
【简答题】cAMP应答元件(cAMP-reapinsive element)是启动子上与cAMP结合的DNA序列。
【单选题】When attending trade fairs, what should an exhibitor make sure to know?
A.
Their target customers and goals.
B.
The time of the trade fair.
C.
The place of the trade fair.
【单选题】In his last illness he was by Dr Creen. [ ]
A.
attending to
B.
attended to
C.
attends to
D.
attending
【简答题】A．adopt B．compare C．link D．relate
【简答题】Where do many volunteers and travellers relate their experiences?
【简答题】4. Attending on-campus concerts ____(is, are) part
of the pleasure of college life.
【简答题】Attending on-campus concerts (is, are) part of the pleasure of college life.