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【判断题】
( )19.操作者可以根据自己的判断随时改变生产工艺。A.
正确
B.
错误
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【单选题】—Do you remember _______ vase I gave you as a birthday gift last year? —Yes, I fell in love with it at _______ first sight.
A.
a; the
B.
a; /
C.
the; the
D.
the;/
【单选题】I ______ to the English Corner last Saturday, but I fell ill.
A.
did take part in
B.
would have taken part in
C.
would take part in
D.
had taken part in
【简答题】某配合φ30H6/k5，IT5=9μm，IT6=13μm，配合的最大间隙X max =+11μm。①确定孔、轴的极限偏差；②计算另一极限间隙或过盈和配合公差；③确定φ30K6孔的极限偏差。
【单选题】I ______ to the English get-together last night, but I fell ill.
A.
did came
B.
had come
C.
would come
D.
would have come
【单选题】I didn’t have a good ______ last night, so I was so _____ that I fell _____ in class.
A.
sleep; asleep ;sleepy
B.
asleep; sleep; sleepy
C.
sleep; sleepy; asleep
D.
sleepy; sleep; asleep
【单选题】---Shanghai is a beautiful city. Do you think so? ---Yes, I _______ there last year and fell in love with it.
A.
go
B.
will go
C.
have gone
D.
went
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