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【单选题】
曝气池混合液SVl指数是指( )。A.
曝气池混合液悬浮污泥浓度
B.
曝气池混合液在1000mL量筒内静止沉淀30min后，活性污泥所占浓度
C.
曝气池混合液静止沉淀30min后，每单位重量干泥所形成湿污泥的体积
D.
曝气池混合液中挥发性物质所占污泥量的比例
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举一反三
【单选题】Our journey was slow because the train stopped ______ at different villages.
A.
unceasingly
B.
gradually
C.
continuously
D.
continually
【单选题】Our journey was very slow because the train stopped constantly at differentvillages.
A.
unceasingly
B.
continuously
C.
gradually
D.
continually
【单选题】Because of the complexity of our modern machine, we need our workers ______.
A.
to train special
B.
specified in training
C.
to have specified training
D.
training specially
【单选题】The traffic was busy on our way to the train station, _____ we caught the train on time at last.
A.
although
B.
so
C.
but
D.
because
【简答题】Our journey was slow because the train stopped ________ at different villages. A) unceasingly B) gradually C) continuously D) continually
【单选题】One of our tasks in business schools is to train people to manage the ________distributed companies.
A.
global
B.
globe
C.
globally
D.
globalize
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