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【判断题】
在各个剖视图中,同一零件的剖面线方向与间隔必须一致。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】-----Who ______ it be that hasn’t handed it in yesterday? ------It _______ be Bob. He handed it in yesterday.
A.
can; mustn’t
B.
must; can
C.
can; can’t
D.
may; mustn’t
【单选题】---Who can it be that hasn’t handed in his composition? ---It ______ be Robinson. He ______ it in yesterday.
A.
will; should hand
B.
must; should have handed
C.
may; can’t hand
D.
can; could have handed
【单选题】It is always true that sometimes even if you have had a big dinner, _________ are that you will still want to reach for food when it gets late．
A.
problems
B.
facts
C.
chances
D.
cases
【单选题】Even if you had refused, the ______ would probably not have been very different.
A.
effect
B.
consequence
C.
result
D.
outcome
【简答题】Let’s say you have had a sore throat for several weeks . You have done everything you can to relieve (减轻）the pain: medicine, Vitamin C, and even chicken soup. All these things help your throat feel be...
【单选题】Those who _____ in ____ compositions, please hand them in this afternoon.
A.
hasn't handed; his
B.
haven't handed; their
C.
has handed; their
D.
have handed; his
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