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【单选题】
With the computer,you can solve the problem in a short period of time.A.
th the computer,you can solve the problem __________
B.
filthy
C.
smash
D.
smug
E.
not...until
F.
mind
G.
in a little while
H.
keep making.
I.
asking too much of somebody
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【简答题】为什么要做区间估计?怎样对平均数作区间估计?
【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
【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。
参考解析：
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