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问题 单项选择题

水平放置的渐缩管，若流体流动的方向为1→2，忽略水头损失，断面形心点的压强，有以下关系（）

A.p1＜p2

B.p1=p2

C.p1>p2

D.不能确定

答案

参考答案：C

解答题
口算题
0.25×4=		4÷0.01=3.5+7.5=（2.5-0.25）×4=
0.96÷0.3=7.3×0.01=7.2÷0.12=12.5×0.7×0.8=
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判断题

"Dr. Faustus" is a play based on the English Legend of a magician aspiring for knowledge and finally meeting his tragic end as a result of selling his soul to the Devil.
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