问题
单项选择题
在选择调压器时，调压器的计算流量，应按该调压器所承担的管网小时最大输送量的（）倍确定。
A.1.15
B.1.2
C.1.25
D.1.5
答案
参考答案：B
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在选择调压器时，调压器的计算流量，应按该调压器所承担的管网小时最大输送量的（）倍确定。
A.1.15
B.1.2
C.1.25
D.1.5
参考答案：B
Maria was born in Peru（秘鲁）.She grew up in a small village. She 46 when she was six years old. She went to elementary school，but she 47 to high school. Her family was very 48 ，and she had to go to work when she was thirteen years old. She 49 in a shoe factory. When Maria was seventeen years old，her family 50 to the United States. First they lived in Los Angeles，and then they moved to San Francisco. When Maria 51 in the United States，she was not very happy. She missed her friends in Peru，and she didn’t 52 a word of English. She began to study English at night， 53 worked in a factory during the day. Maria studied very hard，and now she speaks English well. She’s still 54 at night，but now she’s studying typing. She wants 55 a secretary. Maria still misses her friends. But she’s very happy now，and she hopes she will have a good future（将来）in the new country.
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