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【简答题】
设A是正交矩阵，证明Cond(A)2＝1。
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参考答案：
举一反三
【简答题】Wang: Could I speak to Mr. Lee, please?Lin: ______
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【单选题】—Lin Kai, hand in your homework, please. —Oh, sorry. I ______ it at home this morning. [     ]
A.
was leaving
B.
has left
C.
will leave
D.
left
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【单选题】—Lin Tao, open _______ door, please. —I'm coming, Mum. [     ]
A.
the
B.
an
C.
a
D.
/
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【单选题】May I _____ to Wang Lin,please? [     ]
A.
say
B.
tell
C.
speak
D.
talk
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【单选题】---Lin Too, open _______door, please. ---I’ m coming, Mum.
A.
the
B.
an
C.
a
D.
/
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【单选题】--- Lin Tao, sit down please. ----______
A.
Hello
B.
All right
C.
Sorry
D.
Thank you
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【判断题】“六十而耳顺”的“耳顺”是听力好的意思。
A.
正确
B.
错误
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【单选题】Please（）search and rescue.
A.
make command of
B.
take command of
C.
get command of
D.
have command of
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【判断题】windows server 2012高级防火墙入站规则默认允许一切连接,出站默认阻止一切连接
A.
正确
B.
错误
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【单选题】Please give this book _________ Lin Li. It’s his. [     ]
A.
to
B.
for
C.
with
D.
at
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相关题目：
【简答题】Wang: Could I speak to Mr. Lee, please?Lin: ______
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【单选题】—Lin Kai, hand in your homework, please. —Oh, sorry. I ______ it at home this morning. [     ]
A.
was leaving
B.
has left
C.
will leave
D.
left
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【单选题】—Lin Tao, open _______ door, please. —I'm coming, Mum. [     ]
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【单选题】May I _____ to Wang Lin,please? [     ]
A.
say
B.
tell
C.
speak
D.
talk
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【单选题】---Lin Too, open _______door, please. ---I’ m coming, Mum.
A.
the
B.
an
C.
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D.
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【单选题】--- Lin Tao, sit down please. ----______
A.
Hello
B.
All right
C.
Sorry
D.
Thank you
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【判断题】“六十而耳顺”的“耳顺”是听力好的意思。
A.
正确
B.
错误
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【单选题】Please（）search and rescue.
A.
make command of
B.
take command of
C.
get command of
D.
have command of
查看完整题目与答案
【判断题】windows server 2012高级防火墙入站规则默认允许一切连接,出站默认阻止一切连接
A.
正确
B.
错误
查看完整题目与答案
【单选题】Please give this book _________ Lin Li. It’s his. [     ]
A.
to
B.
for
C.
with
D.
at
查看完整题目与答案
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