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【单选题】
Visual Basic 控件分为3类,它们分别是标准控件、ActiveX 控件和可插入对象 。其中只有__________是由系统提供的。A.
ActiveX控件
B.
可插入对象
C.
以上都可以
D.
标准控件
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举一反三
【单选题】The book ______ is black is very terrible.
A.
it's cover
B.
whose cover
C.
its cover
D.
the cover of that
【简答题】下列哪一个因素可能导致电影票需求曲线移动: _____ 。
【单选题】Do you like the book _______ is yellwo?
A.
whose cover
B.
which cover
C.
cover whose
D.
cover which
【单选题】Last week, I bought an interesting story book, _____ is very beautiful.
A.
which cover.
B.
the cover of which.
C.
its cover.
D.
the cover of whose.
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