问题
多项选择题
污水主干管的走向与数量取决于污水处理厂和出水口的( )。
A．形状
B．数量
C．位置
D．面积
E．地质情况
答案
参考答案：B,C
解析：本题的考点是污水管道布置的原则。污水主干管的走向与数量取决于污水处理厂和出水目的位置与数量。小城市通常只设一个污水处理厂，则只需敷设一条主干管。
熟悉污水管道的敷设要求。
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污水主干管的走向与数量取决于污水处理厂和出水口的( )。
A．形状
B．数量
C．位置
D．面积
E．地质情况
参考答案：B,C
解析：本题的考点是污水管道布置的原则。污水主干管的走向与数量取决于污水处理厂和出水目的位置与数量。小城市通常只设一个污水处理厂，则只需敷设一条主干管。
熟悉污水管道的敷设要求。
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| What is the population of China? There are more than a billion and two hundred million people in China. It is almost one fifth of the world's population. How to control the population growth is a big problem. Some people think 1 to control the population growth. But I don't quite agree 2 them, because where there's a will, there is a way. The question is that we should make it 3 how serious the population problem is. Our farmland is becoming less and less to everyone. We have already got too many mouths to feed. 4 we control the population growth, many people will die 5 hunger. Too fast population growth has been and will be bad for our nation. Though laws (法律) have been 6 to control the population growth, in some places 7 is done to carry out (贯彻) the law. We should make people 8 that it is foolish of them to bring too many children into the world. They should 9 do what they have been doing for many years. We are fighting against the fast population growth. Yes, the fighting won't end 10 everyone knows its importance and does something for it. | ||||
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