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【多选题】
准确计算管道长度的关键是找准管道变径的位置，管道变径在管道的（）处和（）处，弯头处较少。A.
分支
B.
分叉
C.
水表
D.
阀门
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皮皮学刷刷变学霸
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【单选题】It is always true that sometimes even if you have had a big dinner, _________ are that you will still want to reach for food when it gets late．
A.
problems
B.
facts
C.
chances
D.
cases
【简答题】If you have had even limited contact with people from other cultures, you know that they differ in both ( ) and ( ) ways.
【简答题】Let’s say you have had a sore throat for several weeks . You have done everything you can to relieve (减轻）the pain: medicine, Vitamin C, and even chicken soup. All these things help your throat feel be...
【简答题】“两情若是久长时,又岂在朝朝暮暮”是秦观《 》中的名句。
【简答题】“两情若是久长时,又岂在朝朝暮暮”是秦观《 》中的名句。
【单选题】Even if you have had a big dinner, ___ are that you will still want to reach for food when it gets late．
A.
problems
B.
facts
C.
chances
D.
cases
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