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【简答题】
铅 酸 蓄电池主要由 、 、 、 、 等组成。
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【单选题】After _______ seemed half an hour, the teacher gave us the correct answer.
A.
what
B.
that
C.
which
D.
it
【简答题】土体压缩性e~p曲线是在( )条件下试验得到的?
【单选题】The teacher gave us too much homework.I wonder _____ I'll have enough time to do it.
A.
how
B.
that
C.
if
D.
what
【简答题】During my second year of middle school, our teacher gave us a test. I studied hard and __46 well in all the subjects, so the questions were not difficult for me. 47 I stopped when I read the last one：...
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