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【单选题】
Our art festival is _ October 20' . Welcome to our festival.A.
in
B.
on
C.
at
D.
with
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举一反三
【单选题】— Well, that was really a good meal. I _____ you were a really good cook. — Thank you.
A.
didn’t know
B.
don’t know
C.
haven’t known
D.
hadn’t known
【单选题】—Well, that was really a good meal. I _______ you were a really good cook. —Thank you.
A.
didn’t know
B.
don’t know
C.
haven’t know
D.
hadn’t known
【简答题】计算博学楼本班教室门前柱块料面层工程量
【简答题】cook a thank-you _____ ;
【简答题】当两构件组成转动副时,其速度瞬心位于 ;两构件组成移动副时,其瞬心位于 处;两构件组成滑动兼滚动的高副时,其瞬心位于 处。
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