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【判断题】
数据库是一个长期存储在计算机内、有组织的、可共享的、统一管理的数据集合。()A.
正确
B.
错误
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【单选题】A researcher is interested in testing to determine if the mean of population one is greater than the mean of population two. The null hypothesis is that there is no difference in the population means ...
A.
23
B.
22
C.
15
D.
2
【单选题】I can’t play the piano, and ___
A.
so can’t my sister
B.
so can my sister
C.
can my sister, either
D.
neither can my sister
【单选题】I can’t play the piano, and _______.
A.
neither can my sister
B.
my sister can’t, too
C.
so can’t my sister
D.
can my sister, either
【单选题】As a college student,my_____ fee only including food fee and telephone fee. [ ]
A.
drill
B.
action
C.
regulation
D.
routine
【单选题】A researcher is interested in testing to determine if the mean of population one is greater than the mean of population two. The null hypothesis is that there is no difference in the population means ...
A.
23
B.
22
C.
21
D.
2
【单选题】I can’t play the violin, and _________.
A.
neither can my sister
B.
so can my sister
C.
neither my sister can
D.
so my sister can
【单选题】I finally got a photo with my favorite movie star.Never in all my life ________ so happy!
A.
did I feel
B.
I felt
C.
I had felt
D.
had I felt
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