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【简答题】
重力坝按坝体高度分为高坝、中坝和低坝，其中高坝的高度不低于（）。
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反馈参考答案：
举一反三
【简答题】一家电视台去年共播出教育节目1192时，平均每个月大约播出教育节目多少时？
【单选题】American people were proud and optimistic because they felt they had saved the world and now were helping to rebuild Europe and Japan.
A.
正确
B.
错误
【简答题】已知直角三角形的两直角边长分别为5cm和12cm，则此直角三角形斜边上的中线的长为______cm．
【简答题】An investigation was made into the accident, ________ fifty people were killed. A) for that B) where C) when D) in which
【简答题】若一个直角三角形的两边长分别为12和5，则此三角形的第三边长为______．
【简答题】119 2 （用简便方法计算）
【单选题】There were many people standing by, but _____ of them were willing to help the poor boy.
A.
neither
B.
none
C.
all
D.
both
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