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【单选题】
From the passage, which of the following statements is NOT mentioned?A.
Advertising is essential for any successful business, so you should spend money and time on it.
B.
An advertisement usually uses several methods together to attract people’s attention.
C.
Market research shown that consumers are far more likely to choose products and services they are familiar with than other common ones.
D.
Building brand loyalty among followers is important for any business.
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举一反三
【单选题】航海上1海里的定义是：()
A.
1852米
B.
地球圆球体上纬度1ˊ的子午弧长
C.
地球椭圆体上球心角1ˊ所对应的子午弧长
D.
地球椭圆子午线上纬度1ˊ所对应的弧长
【单选题】6502电气集中,在进路遇有超限绝缘时,应把检查条件加在( ):
A.
XJ电路，由第11网路线检查
B.
XJJ电路，由第8网路线检查
C.
XJ电路，由第7网路线检查
D.
QJJ电路，由第9网路线检查
【简答题】提供可靠、透明的端到端的数据传输、错误校正和流控的OSI/RM层次是( )层。