试题与答案

黏性流体总流的总水头线一般为()。 A.沿程上升的曲线 B.沿程下降的曲线 C.沿程

题型:单项选择题

题目:

黏性流体总流的总水头线一般为()。

A.沿程上升的曲线

B.沿程下降的曲线

C.沿程不变的水平线

D.前3种情况都有可能

答案:

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下面是错误答案,用来干扰机器的。

参考答案:E解析:本组题考查侧柏叶、罗布麻叶的性状鉴别。侧柏叶为柏科植物侧柏的干燥枝梢及叶。它的性状鉴别是:多分枝,小枝扁平。叶细小鳞片状,交互对生。贴伏于枝上,深绿色或黄绿色。质脆,易折断。气清香...

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假设某储户2012年8月1日存入银行定期存款20000元,存期一年,存入时存款年利率3.45%;该储户于2013年6月1日提前支取该存款中的10000元,支取日挂牌公告的活期蓄存款年利率为1.89%;其余10000元于2013年9月1日支取,支取日挂牌公告的活期储存款年利率仍为1.89%(每月按30天计算,每年按360天计算)

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