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【单选题】
In those days, we had no phones, so we have to keep in touch _____ writing often.A.
with
B.
of
C.
on
D.
by
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【判断题】Social practices are the predicable behavior patterns that members of a culture typically follow. There are two types, one is formal, the other is informal. ( )
A.
正确
B.
错误
【简答题】How many digits are there in the follow significant figures: 0.0280 1.8502 2.4×10 -5 1.80×10 5 0.000010000
【判断题】Social practices are the predictable behavior patterns that members of a culture typically follow. There are two types, one is formal, the other is informal.
A.
正确
B.
错误
【简答题】Passage One While there are distinct differences between British and American weddings, there are also differences between the speeches. Wedding speeches are generally known as toasts in America and, ...
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