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问题 多项选择题

消费者心理与行为的研究对象在具体内容上，可分为：（）

A.消费者的心理活动基础

B.消费者的购买行为

C.消费者群体的心理与行为

D.消费者心理与社会环境

E.消费者心理与行为与市场营销

答案

参考答案：A, B, C, D, E

单项选择题

The ARPANET (66) ( the rules of syntax that enable computers to communicate on a network) were originally designed for openness and flexibility, not for (67) The ARPA researchers needed to share information easily, so everyone needed to be an unrestricted "insider" on the network. Although the approach was appropriate at the time, it is not one that lends itself to today’s commercial and government use.
As more locations with computers (known as (68) in Internet parlance)joined the ARPANET, the usefulness of the network grew. The ARPANET consisted primarily of university and government computers, and the applications supported on this network were simple: electronic mail ( E - mail), electronic news groups, and (69) connection to other computers. By 1971, the Internet linked about two dozen research and government sites, and researchers had begun to use it to exchange (70) not directly related to the ARPANET itself. The network was becoming an important tool for collaborative research.

A．protocols

B．statute

C．law

D．enactment
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多项选择题

在电气设备上工作保障安全的组织措施有（）。

A、工作票制度；

B、工作许可证制度

C、工作监护制度；

D、工作间断、转移和终结制度。
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