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【单选题】
将发动机凸轮轴支于平台上的V形铁上,用( )检测凸轮轴的弯曲程度。A.
塞尺
B.
高度尺
C.
游标卡尺
D.
百分表
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皮皮学刷刷变学霸
举一反三
【单选题】----- You shouldn’t have talked back to our teacher like that. It was awfully impolite. ----- You are right. I _________ crazy at that moment.
A.
could have been
B.
can be
C.
must have been
D.
should have been
【单选题】Do you often use a computer _____ your homework? [ ]
A.
write
B.
writes
C.
to write
D.
writing
【单选题】"You look awfully exhausted." "Yes, I non-stop until two o'clock in the morning."
A.
have been working
B.
worked
C.
was working
D.
have worked
【单选题】O'Leary is writing a computer program that______.
A.
uses math to increase the speed of calculation
B.
tells the identity of a criminal in a certain area
C.
provides the crime records of a given city
D.
shows changes in criminals' position
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