问题
多项选择题
消防泵按泵的出口压力可分为（）消防泵。
A.低压
B.中压
C.高压
D.中低压和高低压
E.超高压
答案
参考答案：A, B, C, D
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消防泵按泵的出口压力可分为（）消防泵。
A.低压
B.中压
C.高压
D.中低压和高低压
E.超高压
参考答案：A, B, C, D
| 选词填空，完成短文。 | |
Shenzhen on May 2nd. On the first day, I went to a park ____________ my father and my mother. On the second day, I ____________ swimming. On the third day, I ____________ my homework. For the day of the ____________ holiday, we relaxed and prepared to work or school. |