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【单选题】
关于恒定电路，下说法正确的是A.
所有电路都能通过运用元件串、并联的计算法将电路化为一个单回路。
B.
电路中可以存在多个回路。
C.
同一回路中流过各元件的电流一定相等。
D.
同一回路中各元件两端电势降落之和可以不为零。
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【单选题】That was the young man, I think, _____ I saw the other day help to catch the thief.
A.
who
B.
one
C.
the one
D.
which
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A.
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B.
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C.
教师的举例反映了学生的情感体验
D.
教师的讲述有助于激发学生的阅读兴趣
【简答题】That was the young man, I think, _____ I saw the other day help to catch the thief.A. who
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【单选题】The young man was all_____when he began his new job.
A.
at the sea
B.
at sea
C.
in the sea
D.
in sea
【简答题】A young man couldn't fall asleep at night. He was very worried. One day he went to see a doctor. The doctor checked him over carefully. But nothing was wrong with him. The doctor told him to count fro...
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