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【简答题】
如附图所示,敞口容器内不互溶的油和水,油层和水层的厚度分别为700mm和600mm。在容器底部开与玻璃管相连。已知油与水的密度分别为800kg/m3和1000kg/m3。计算(1)玻璃管内水柱的高度;(2)判断A与B、C与D点的压力是否相等。
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举一反三
【单选题】The boys made ______, so their teacher got very _______. [ ]
A.
much noise, angrily
B.
much noise, angry
C.
many noise , angrily
D.
many noise, angry
【单选题】The crops ______ by the dry weather, so the peasants of that area got much less income last year.
A.
effected
B.
were effected
C.
affected
D.
were affected
【单选题】I have got _____ work to do on a ______ cold day.
A.
much too, too much
B.
too much, too much
C.
too much, much too
D.
much too, much too
【单选题】In an instant message, “G2G” probably means “________.”
A.
got too much
B.
got to go
C.
got two goals
D.
got to guess
【简答题】How much money did Jim get from his parents this morning? He got ______ .
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