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【多选题】
凸轮机构的从动件采用( )运动规律时会产生柔性冲击。A.
余弦加速度运动
B.
等加速等减速
C.
等速
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【单选题】If I hadn't attended an important meeting yesterday, I ______ to see you.
A.
will have come
B.
would have come
C.
have come
D.
had come
【单选题】His silence at the meeting suggested that he _________ with you.
A.
didn’t agree
B.
hadn’t agreed
C.
wouldn’t agree
D.
shouldn’t agree
【单选题】The meeting was _____ at ten o’clock, but the chairman hadn’t turned up by eleven o’clock.
A.
start
B.
have started
C.
be starting
D.
be started
【单选题】Not only ____ everything he ____ taken away but also his German citizenship.
A.
不填; has
B.
has; had
C.
has; was
D.
was; had
【简答题】Rewrite the following sentences, using proper forms of inversion. 1. Christopher Columbus didn ’ t discover the American continent till 1492. Not until . 2. The secretary knows little about it. Little...
【单选题】He _____ the meeting, if he hadn't taken good care of his mom who was sick in hospital then. [ ]
A.
will attend
B.
had attended
C.
would have attended
D.
would attend
【简答题】A 48-year-old male presents to the clinic because of concerns about heart disease. He reports that his father died from a heart attack at age 46, and his older brother has also had a heart attack at a...
【单选题】Professor Green, known to the world as a scientist, is not only absent-minded but short-sighted as well. His mind is always busy 41 scientific problems and seldom notices what is going on 42 him. On...
A.
also
B.
often
C.
ever
D.
usual
【单选题】We hadn't expected _____ so many people present at the meeting. [ ]
A.
there being
B.
there to being
C.
there is
D.
there to be
【简答题】什么是光强、照度和亮度?单位各是什么?
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