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【单选题】
—Didn’t you see the sign, sir? Smoking is not allowed here! — . [     ]
A.
Never mind
B.
I’m sorry
C.
Don’t mention it
D.
Sure. I don’t smoke
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参考答案:
举一反三
【单选题】My father was born _____ July 10th, 1969.
A.
at
B.
on
C.
in
D.
to
【单选题】割缝衬管的缝眼一般是( )。
A.
圆形
B.
正方形
C.
椭圆形
D.
梯形
【简答题】平面连杆机构由一些刚性构件用()和()相互联接而组成
【判断题】醛能发生银镜反应而酮不能,果糖属酮糖,故不能发生银镜反应。
A.
正确
B.
错误
【多选题】平面连杆机构由一些刚性构件用 副和 副相互联接而组成。
A.
转动副
B.
移动副
【单选题】My father was born on ___.
A.
three of July, 1979
B.
the third of July, 1979
C.
1979, July the third
D.
1979, the third of July
【单选题】It is in the room _____my father was born in 1932. _____ I was born.
A.
where, that
B.
that, when
C.
that, where
D.
where, when
【简答题】平面连杆机构由一些刚性构件用 副和 副相互联接而组成。
【判断题】醛能发生银镜反应而酮不能,果糖属酮糖,故不能发生银镜反应。
A.
正确
B.
错误
【单选题】—When was your father born? —My father was born _____ September 21st, 1959. [     ]
A.
in
B.
at
C.
on
D.
of
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