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设方阵 【图片】满足【图片】 则当 【图片】 且【图片】时,【图片】是可逆矩阵.A.
正确
B.
错误
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举一反三
【单选题】--- _______ late for school again, Tim! --- Sorry, I promise that I _______.
A.
Don’t; won’t
B.
Don’t be; won’t
C.
Don’t be; don’t
D.
Don’t; will
【单选题】Owen: May I use your phone? Ruth: ______
A.
It doesn’ t matter.
B.
Go ahead
C.
No, I don’ t mind
D.
No, you needn’ t.
【简答题】t ruth table
【单选题】. We didn’t tell Susan about our plan__________upsetting her.
A.
for fear of
B.
regardless of
C.
in face of
D.
instead of
【单选题】The ______news made him feel _______.
A.
upset; upset
B.
upsetting; upset
C.
upset; upsetting
D.
upsetting; upsetting
【单选题】某公司的一台机器设备原价为185 600元，预计能生产产品产量为1 000 000件，预计净残值率为3％，本月生产产品20 000件。则该台机器设备的本月折旧额为( )元。
A.
0.18
B.
0.19
C.
180 000
D.
3 600
【单选题】There is _________ so clever as the boy.
A.
someone
B.
something
C.
nothing
D.
nobody
【单选题】What does Ruth think of men working outside?
A.
It is their choice.
B.
They don't carry the responsibility of supporting the family.
C.
They are not tied to the kitchen sink.
D.
They are not free to choose what they really want to do.
【单选题】The boy is clever that everybody him.
A.
such, likes
B.
so, likes
C.
so, like
D.
such, like
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