问题
单项选择题
气体灭火系统灭火剂输送管道支架、吊架的安装规定：管道末端采用防晃支架固定，支架与末端喷嘴间的距离不大于（）mm。
A.300
B.400
C.500
D.600
答案
参考答案：C
解析：气体灭火系统灭火剂输送管道末端采用防晃支架固定，支架与末端喷嘴间的距离不大于500mm。
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气体灭火系统灭火剂输送管道支架、吊架的安装规定：管道末端采用防晃支架固定，支架与末端喷嘴间的距离不大于（）mm。
A.300
B.400
C.500
D.600
参考答案：C
解析：气体灭火系统灭火剂输送管道末端采用防晃支架固定，支架与末端喷嘴间的距离不大于500mm。
Yesterday I didn’t feel well, so I had to stay at home. my mom thought I was just too tired. Later she _ _ my temperature. It was 38.5℃. She found I got a and she took me to the . I don’t like hospitals or doctors. the doctor was very kind, I was afraid. The doctor told me I should lie down and . He said I should drink some and eat more fruit. The doctor also gave me some for my sore throat. Then my mother and I back home. To be at home is good, but the cold is . I hoped I would feel better soon.
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