问题
单项选择题
正常情况下，当单个压力容器本身无安全泄放装置而在工艺系统中装有安全泄放装置时，该容器的设计压力是最高工作压力的（）倍。
A、1.0倍
B.1.05-1.1倍
C.1.1-1.25倍
D.1.3倍
答案
参考答案：B
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正常情况下，当单个压力容器本身无安全泄放装置而在工艺系统中装有安全泄放装置时，该容器的设计压力是最高工作压力的（）倍。
A、1.0倍
B.1.05-1.1倍
C.1.1-1.25倍
D.1.3倍
参考答案：B
The Greens lived in a small town. Mr. Green worked in a factory. Mrs. Green didn’t go out to work. She cooked meals and did some ___46____ at home all day. Their child Bob studied in a middle school far from their____47____. And he took a bus to school every day. Mrs. Green ___48___ get up very early in the morning to cook breakfast for the family. One morning, Mrs. Green didn’t feel well, ___49____ she told her son to get something to eat himself. The boy didn’t find any food in the fridge and went to school without breakfast. After Bob left home, Mrs. Green felt very ___50___about that. She got up and cooked ___51______delicious for her son. Then she went to the bus stop and took a bus to her son’s school. It was her first time to go to her son’s school. After thirty minutes, she ____52____ the bus. “I can’t find the ___53_____ to my son’s school. What shall I do?” she asked a man at the side of the road for help. “It doesn’t matter. Lie down in the middle of the ____54____and the policemen will take you there,” the man answered. “I don’t think so. The doctors will come __55_the policemen,” said Mrs. Green.
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