题目内容
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[单选题]
background:url(2.png),url(1.jpg),url(3.png),url(4.jpg);},表示哪张图片处在最上层()。
A.2.png
B.1.jpg
C.3.png
D.4.jpg
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A.2.png
B.1.jpg
C.3.png
D.4.jpg
A.informations
B. knowledge
C. background
D. information
My experience _________me that a background in pure science is an idealpreparation for doing business.
A.invited
B.persuaded
C.advised
D.convinced
In the third paragraph, the word "background" means " ______".
A.stage
B.condition
C.experience
D.setting
A.in which
B.so that
C.as if
D.in that
A.No, ask someone else
B.No way
C.By all means
D.Why should I
A. Background information
B.Current situation
C.Significance of the topic
D.Literature review
A、abvantage
B、obsercation
C、background
D、privacy