【单选题】【消耗次数：1】
3.She sent her friend a postcard _______ a birthday present.
①
on
②
as
③
for
④
of
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相关题目
【单选题】
She
doesn’t speak ____ her friend, but her written work is excellent.
①
as
well as
②
so often as
③
so
much as
④
as
good as
【单选题】
The woman murdered her friend and ______ to ______.
①
was sentenced , death
②
sentencing , die
③
sentenced , death
④
sentenced , die
【单选题】
My friends [填空] me a nice present on my next birthday.
①
will gives
②
will give
③
gives
④
give
【单选题】
Everybody likes her because she is always _______ .
①
Everybody likes her because she is always _______ .
②
cheerful
③
sad
④
selfish
【单选题】
Mary will not be able to come to the birthday party as she is ____ with a cold.
①
laid out
②
laid up
③
laid by
④
laid down
【单选题】
Mary will not be able to come to the birthday party as she is _____with a cold.
①
laid out
②
laid up
③
laid by
④
laid down
【单选题】
—Can I help you?—Id like to buy a present for my fathers birthday, _____ at a proper price, but of great use.
①
that
②
anyone
③
one
④
everything
【单选题】
She got married although her parents had not given her their ___.
①
allowance
②
consent
③
permit
④
appreciation
【单选题】
When she was criticized, she claimed that it was outside her _____of responsibility.
①
field
②
limit
③
extent
④
range
随机题目
【单选题】
Women especially enjoy_________ in department stores at their leisure.
①
wondering
②
weeping
③
wandering
④
watching
【单选题】
Can anything be done to_________ the negative influence of some television programs?
①
accept
②
assume
③
avoid
④
alarm
【判断题】
设矩阵A,B为同阶可逆矩阵，则<img class=jc-formula data-tex={ (AB) }^{ -1 }={ A }^{ -1 }{ B }^{ -1 } src=https://huaweicloudobs.ahjxjy.cn/4D0D5CA61C6CEACD30AEE46B39C339BC.png style=vertical-align: middle;/>
①
正确
②
错误
【判断题】
对任意<img class=jc-formula data-tex=A,B\in F src=https://huaweicloudobs.ahjxjy.cn/F3D14591D01F0CA1A92A56FBCAE958DF.png style=vertical-align: middle;/>,则<img class=jc-formula data-tex=P(A-B)=P(A)-P(B) src=https://huaweicloudobs.ahjxjy.cn/0B32C29C079587980B49094D3DEB9C00.png style=vertical-align: middle;/>
①
正确
②
错误
【判断题】
设A=<img class=jc-formula data-tex=\begin{ pmatrix } 1 -2 \\ -2 4 \end{ pmatrix } src=https://huaweicloudobs.ahjxjy.cn/4F154C1EF8210EBCC4121447AD222144.png style=vertical-align: middle;/>,B=<img class=jc-formula data-tex=\begin{ pmatrix } 2 6 \\ 1 3 \end{ pmatrix } src=https://huaweicloudobs.ahjxjy.cn/FC3E17EF9C4B0B48E5790528C102FAD8.png style=vertical-align: middle;/>，则AB=BA=0
①
正确
②
错误
【判断题】
若事件A与事件B相互独立，则<img class=jc-formula data-tex=\bar { A } src=https://huaweicloudobs.ahjxjy.cn/024499E111DB930502696BB1E5570F8B.png style=vertical-align: middle;/>与B不相互独立
①
正确
②
错误