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【单选题】
污水泵站集水池的容积,不应小于最大冶水泵 min的出水量,如水泵机组为自动控制时,每小时开动水泵不得超过6次。A.
3
B.
5
C.
6
D.
10
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【简答题】请问这是哪位立体主义大师的头像?
【简答题】A.He has to finish his homework. B.He doesn t know it is very late. C.His mother wants him to do homework. D.He can t sleep.
【单选题】Tom is one of those student who_______friendly; ,however, it is very hard t get along with him
A.
is appeared to be
B.
are appeared to be
C.
appears to be
D.
appear to be
【单选题】Don ’ t her outside for a long time. It is very cold.
A.
keep , siting
B.
keep , sitting
C.
let , sits
D.
let , to sit
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