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【单选题】
That famous musician is______Toronto.
[ ]
A.
to
B.
from
C.
at
D.
for
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【单选题】It is impolite to _____ those persons in trouble. [ ]
A.
1augh to
B.
1augh with
C.
laugh of
D.
laugh at
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【简答题】已知二阶矩阵A有特征值λ1=1及对应的一个特征向量e1=11和特征值λ2=2及对应的一个特征向量e2=10,试求矩阵A及其逆矩阵A-1.
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【单选题】Mr.Green, a famous writer, ____________ our school next week.
A.
visited
B.
visits
C.
was visiting
D.
will visit
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【单选题】_________ students will go to the beach for the picnic.
A.
Two hundred of
B.
Two hundred
C.
Two hundreds of
D.
Two hundreds
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【单选题】We ______ our breakfast already. We ______ it at school at 6:30. [ ]
A.
have had, had
B.
have had; have had
C.
had, have had
D.
had, had
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【单选题】The book _____ well. I'm afraid it _____ out. [ ]
A.
is sold; has sold
B.
sells; is sold
C.
sells; to be sold
D.
is sold; sells
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【单选题】The students stay _____ home _____ Sundays.[ ]
A.
at, at
B.
on, at
C.
at, on
D.
on, on
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【单选题】The little girl is fortunate to get help from so many strangers.
A.
lucky
B.
excited
C.
happy
D.
grateful
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【单选题】—Why not take this sweater, Li Hua?—I have only 20 yuan.I can’t _____ it.—Why not take this sweater, Li Hua?—I have only 20 yuan. I can’t _____ it.
A.
bring
B.
sell
C.
borrow
D.
Afford
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【单选题】You can walk ____ this road. [ ]
A.
along
B.
at
C.
of
D.
for
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