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【简答题】
匀变速直线运动的速度与时间的关系 :
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皮皮学刷刷变学霸
举一反三
【单选题】He appears to be optimistic, but, ______, he is quite pessimistic.
A.
in particular
B.
on one hand
C.
for one thing
D.
as a matter of fact
【单选题】What impresses me most is _________ he appears in front of others, he wears a sincere and charming smile.
A.
which
C.
that C. where C. that whenever
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