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【单选题】
CA6140床鞍导轨的直线度允差在竖直平面内,全长上为( )mm只许凸。A.
0.01
B.
0.02
C.
0.03
D.
0.04
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举一反三
【单选题】“Please don’t forget ______ the door when you leave.” “No, I won’t forget ______ it.”
A.
to lock; to lock
B.
to lock; locking
C.
locking; to lock
D.
locking; locking
【简答题】历史曲线的数据来源是_____________。
【单选题】9) Why wouldn’t the car start if the driver returned to the carvery soon ? A) Because it had used its vapor lock. B) Because its vapor lock was too cold. C) Because its vapor lock hadn’t cooled down. ...
A.
Because it had used its vapor lock.
B.
Because its vapor lock was too cold.
C.
Because its vapor lock hadn’t cooled down.
D.
Because the car was tired from running.
【单选题】Don’t forget to lock the door , _____ ?
A.
do you
B.
don’t you
C.
will you
D.
won’t you
【单选题】— You didn't lock the back door. — You are wrong. I ______. [ ]
A.
have locked it
B.
lock it myself
C.
did lock it
D.
do lock it
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