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【简答题】
我国对阀门公称压力采用的标准是GB/T( )-2005。
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举一反三
【简答题】根据句意及盲字母提示填空. 1. Look, some boys are swimming in the sea, some girls are playing on the b . 2. They're listening to the music. They are so r . 3. Mr Wu, thank you for h me. 4. There are many children....
【单选题】Look! Some boys are _____ at the pool and some girls are _____ near the pool. [ ]
A.
swiming, danceing
B.
swimming, danced
C.
swims, dances
D.
swimming, dancing
【单选题】Look! Some boys are playing baseball, ________ are chasing, they all have fun.
A.
the other
B.
others
C.
the rest
D.
a rest of
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