题目内容

柏努利方程适用于任何流体的稳定流动过程。（）

A. 对
B. 错

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流体在水平管内作稳定连续流动时，当流经直径小处，流速会增大（）

A. 对
B. 错

Project Hope is a(n)________ that raises money to build schools and buy books for children in poor areas.

A. community
B. club
C. organization
D. union

There is no hospital in the ______area.

A. recent
B. temporary
C. immediate
D. academic

The answer depends on what kind of system is ______ adopted.

A. ultimately
B. lively
C. seriously
D. comparably