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问题 单项选择题

当量长度法的基本原理是( )。

A．将管段的沿程损失转变为局部损失来计算
B．将管段的压力损失转变为局部损失来计算
C．将管段的压力损失转变为沿程损失来计算
D．将管段的局部损失转变为沿程损失来计算

答案

参考答案：D

填空题

阅读短文，并根据首字母提示完成短文。

    We have been in Australia for three days. We're having a g  1    time here. Australia is the sixth largest

country in the world. There is so m   2    to see that it is impossible for me to tell you everything. Sydney is a

beautiful city. There are many tall t   3    and beautiful flowers around the houses and they l   4    really beautiful.

There are also some special a   5    in Australia, such as kangroos (袋鼠) and koalas (考拉). They are really

lovely.

    During the past three days we have visited many p   6    of interest around Sydney. I'd like to spend more

time here, but we will f   7    to another city, Carins, to see coral beds (珊瑚床) tomorrow. It is said that words

cannot d   8    the beauty of the colorful coral. Many famous cartoon films were made there. Now we are b  9  

packing our bags so that we will not lose time when we leave. We can enjoy ourselves in Cairns this time

tomorrow. I 'm looking forward to g  10    there.

1.                 2.                 3.                 4.                5.                

6.                 7.                 8.                 9.                 10.             

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单项选择题

对于一般的开放式基金而言，交易价格就是( )。

A．基金资产估值
B．基金资产总值
C．基金资产净值
D．基金份额资产净值
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