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【单选题】
They were all very tired, but ______ took a rest.A.
everybody
B.
somebody
C.
anybody
D.
nobody
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举一反三
【单选题】Many people are talking about the film. I'd like it ______ the most successful one this year.
A.
to be
B.
be
C.
being
D.
been
【单选题】I many new friends since I came here.
A.
make
B.
was making
C.
will make
D.
have made
【简答题】冲裁大小不同、相距较近的孔时,为了减少孔的变形,应先冲( )和( )的孔,后冲( )和( )的孔。(选填大、小、精度高、一般精度)
【单选题】It's rather cold in here. Do you mind if I close the window?().
A.
No, go ahead.
B.
Yes, please.
C.
Sure, please.
【简答题】试以方差的区间估计为例说明区间估计的原理。
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