【单选题】【消耗次数：1】
2. This machine is ______ being improved.
①
capable to
②
able of
③
able to
④
capable of
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相关题目
【单选题】
____, he is not capable of teaching.
①
A teacher as he is
②
Teacher as he is
③
As a teacher
④
As a teacher he is
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①
about
②
on
③
in
④
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She is quite capable and can be depended on in an __________ .
①
affair
②
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③
incident
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①
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②
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③
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Mary will not be able to come to the birthday party as she is ____ with a cold.
①
laid out
②
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③
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④
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I won’t be able to attend the meeting tonight because _________ .
①
I must teach a class
②
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③
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④
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Mary will not be able to come to the birthday party as she is _____with a cold.
①
laid out
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laid up
③
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①
that what the difference
②
what the difference is
③
the difference is what
④
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【单选题】
01. You should be able to_________ right from wrong.
①
perceive
②
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③
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随机题目
【多选题】
下列关于视图的说法中正确的是（ ）
①
A.视图是从一个或多个基本表导出的表，它是虚表
②
B.视图可以被用来对无权用户屏蔽数据
③
C.视图一经定义就可以和基本表一样被查询和更新
④
D.视图可以用来定义新的视图