问题
单项选择题
清水池的作用之一是（）。
a、调节二级泵站供水量与用水量之间的差值
b、调节一级泵站供水量和用户用水量的差额
c、调节二级泵站与水塔的供水量差值
d、调节一级泵站与二级泵站供水量的差额
答案
参考答案：D
解析：清水池的调节作用是调节一级泵站与二级泵站供水量的差额。
搜题请搜索小程序“爱下问搜题”
清水池的作用之一是（）。
a、调节二级泵站供水量与用水量之间的差值
b、调节一级泵站供水量和用户用水量的差额
c、调节二级泵站与水塔的供水量差值
d、调节一级泵站与二级泵站供水量的差额
参考答案：D
解析：清水池的调节作用是调节一级泵站与二级泵站供水量的差额。
| 用方框中所给词语的适当形式填空，使短文正确、通顺、连贯(每词限用一次)。 | |
Today was the first day of my new life. I 1 my new school uniform and looked at my new books and checked 2 for the new school year. I was worried and excited 3 . I was excited for I had expected this day for a long time. I am a student of senior middle school now. I was worried 4 I was in a new school. I didn't quite know about the teachers and students here. I was afraid that I couldn't 5 well with them. Would I get new friends? What would the other kids think of me? Would I get good 6 ? Would I please the teachers? Would I be 7 for the next three years here? I really wanted 8 a good beginning when I made my first step to this wonderful school. Everyone was 9 sweet to me. Teachers were kind and ready to help us. I soon forgot my shyness and nervousness. I felt at home. At the end of today, I didn't have any shyness and 10 I believe I will have lots of fun and happiness from today on at this new school. |