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问题 单项选择题

高度为5m的容器，盛有一半液面无压的水，容器内侧壁上与底部相交处压强的大小和方向是______。

A．49.05kPa铅垂

B．49.05kPa水平

C．24.53Kpa铅垂

D．24.53kPa水平

答案

参考答案：D

有人认为英国“革命前是国王的议会，革命后是议会的国王”。这表明英国资产阶级革命后确立了

A．君主立宪制

B．君主专制制度

C．总统制

D．民主共和制
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单项选择题

Mr. Kramer, the losing candidate in a two-candidate election, received 942, 568 votes, which was exactly 40 percent of all the votes cast．Approximately what percent of the remaining votes would he need to have received in order to have won at least 50 percent of all the votes cast ？（）

A．10%

B．12%

C．15%

D．17%

E．20%
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