In the passage, the author introduces his topic by
A. explaining a phenomenon.
B. raising an argument.
C. posing a contrast.
D. using an example.
We can infer that the key feature of Ningbo campus of Nottingham University is that______.
A. it has a western style. campus
B. it charges half the price of Nottingham University
C. it provides similar education as in Nottingham
D. it is a joint venture with a Chinese enterprise
条码技术的研究对象主要包括编码规则、符号表示技术、识读技术、印刷技术和()等五大部分。
中国条码推进工程的总体目标是：根据我国条码发展战略，5 年后，即 2008 年实现系统成员数量翻一番，保有量达到()家，年发展 4 万家系统成员保有量居世界第二，仅次于美国。
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