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【单选题】
如果一组数据【图片】的方差是2，那么另一组数据【图片】的方差是？A.
2
B.
18
C.
12
D.
6
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【单选题】It’s a pity that you ______ leave so soon. Your uncle will be home in 10 minutes and he misses you so much.
A.
should
B.
could
C.
can
D.
might
【单选题】--It’s a pity that you didn’t come to my birthday party last night. --I’m terribly sorry. I ________ for an important lecture.
A.
prepared
B.
was preparing
C.
had prepared
D.
has prepared
【单选题】It’s a pity that you missed _____ the chance to go abroad for further education.
A.
to give
B.
to be given
C.
giving
D.
being given
【单选题】---- Have you heard of Steven Jobs, the co-founder and CEO of Apple? ---- Yes, but it’s a pity that he has _____ for a half year..
A.
died
B.
been dying
C.
been dead
D.
death
【单选题】-- It’s a pity that you missed the lecture on nuclear pollution. -- I _________ it, but I was busy preparing for a job interview.
A.
attended
B.
had attended
C.
would attend
D.
would have attended[
【单选题】—It’s a pity that Wang Qiang failed in the driving test again. —How can you expect him to pass _______ he hasn’t been practicing enough?
A.
when
B.
once
C.
unless
D.
though
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