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【判断题】
活性污泥既可用间歇式曝气培养，也可用连续曝气培养。A.
正确
B.
错误
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举一反三
【单选题】A: Could you install this equipment for me B: ______
A.
Come on, don"t you see I"m busy now
B.
Unless you can help me with my computer.
C.
It"s very heavy. It"ll be OK if you can find another hand.
D.
If I were you, I would do it myself.
【单选题】The word 'considered' in paragraph 5 could be best replaced by ______
A.
thought.
B.
rated.
C.
regarded.
D.
belceved.
【单选题】. 1931 was the year ________ a German company began to make the first tape recorders, _______ could record and play sounds on a tape wound around a round object.
A.
that ---Which
B.
which --- That
C.
when---which
D.
when--- that
【简答题】暴饮暴食或酗酒最易引起的急腹症是什么?
【单选题】—M r Smith, would you please speak a little more ________? —Sorry ! I thought you could follow me.
A.
quietly
B.
quickly
C.
slowly
D.
politely
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