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【单选题】
()是指条码起始符、终止符两端外侧与空的反射率相同的限定区域。A.
起始符
B.
终止符
C.
空白区
D.
条码数据符
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反馈参考答案：
举一反三
【简答题】中国的顶级域名(最高层域)是: ___
【简答题】— I've got a bad cold today. — _________________. A: Thank you for telling me B; Oh, dear! I hope you get better soon C; It isn't serious
【简答题】“国家顶层域名”代码中,中国的代码是 。
【单选题】What a bad memory I've got! I even forgot ________ the book with me.
A.
to take
B.
taking
C.
take
D.
taken
【单选题】The figure given below represents the effects in the labor markets due to migration. Here the world has been divided into a high-income “North” (left panel) and a low-income “South” (right panel). D n...
A.
B.
C.
D.
D
【简答题】II. Fill in the blanks with appropriate prepositions. As one 1 the leading importers and wholesalers 2 photographic equipment 3 Australia, we are very interested 4 the professional type tripods you d...
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