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搜题/搜资源
【单选题】【消耗次数:1】
A guest arrived ____ I was doing my housework.
①
during
②
although
③
as though
④
while
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10.I spent __________ in doing my homework yesterday.
①
a half and two hour
②
two and a half hour
③
two hour and a half
④
two and a half hours
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I ____ with the Browns during my stay in New York City.
①
put in
②
put down
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put on
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put up
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I _____with the Browns during my stay in New York City.
①
put in
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put down
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put on
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put up
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【单选题】
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①
since
②
while
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when
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as
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tidy
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orderly
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mess
④
untidy
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①
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②
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①
when
②
although
③
as long as
④
whereas
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Alice: Natalie must have left since your plane arrived so late.Sam: To my surprise, I found her waiting for me at the airport.Alice: ___________
①
What a pity.
②
How kind.
③
Good for her.
④
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Alice: Natalie must have left since your plane arrived so late. Sam: To my surprise, I found her waiting for me at the airport. Alice: ___________
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What a pity.
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③
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④
No kidding.
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I don’t quite remember the key ____ the question though I answered it correctly.
①
of
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如果矩阵<img width=16 height=18 src=https://main.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/spacer.gif word_img=file:///C:/temp/msohtmlclip1/01/clip_image002.gif style=background:url(https://main.ahjxjy.cn/design/html/js/vender/ueditor/themes/default/images/word.gif) no-repeat center center;border:1px solid #ddd/>是非退化的,那么它一定是可逆矩阵.
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