According to the President, when economy develops ______.
A. more people will get university education
B. more people with a university education are needed
C. more people will get good jobs
D. more people will have their pay raised
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After the Civil War, there was a great demand in Britain for ______.
A. the southern money
B. signatures of George Washington
C. the southern letters
D. the Civil War battle plans
The girl is often listened ______ songs at the next room.
A. practise to sing
B. practise singing
C. to practise to sing
D. to practise singing
在以下情形中，适合于采用队列数据结构的是 (42) 。
A. 监视进入某住宅小区的访客
B. 统计商场中的顾客人数
C. 监视某个火车票售票窗口等待服务的客户
D. 描述某公司的组织管理机构
(73) is a six bytes OSI layer 2 address which is burned into every networking device that provides its unique identity for point to point communication。
A. The virtual address
B. The subnet address
C. The MAC address
D. The IP address
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