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【单选题】
When he came back , he told me all the people and things ___ he had known.A.
.who
B.
.which
C.
what
D.
.that
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举一反三
【单选题】It is stated in the passage that the sleepless elite______.
A.
find themselves easy to become angry
B.
have their way to keep a good shape
C.
can do two jobs well in the meantime
D.
depend heavily on coffee to refresh themselves
【单选题】In such a changing, complex society formerly simple solutions to informational needs become complicated. Many of life's problems which were solved by asking family members, friends or colleagues are b...
A.
the lack of stable communities
B.
the breakdown of informal information channels
C.
the increased mobility of families
D.
the growing number of people moving from place to place
【简答题】升压变压器一次绕组的匝数比二次绕组的匝数___________________。
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