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问题 单项选择题

仓储技术设备是指（）。

A.仓库进行生产的各种机械设备和设施的总称

B.仓库进行生产的各种机械设备的总称

C.仓库进行生产和辅助生产作业以及保证仓库作业安全所必需的各种机械设备和设施的总称

D.仓库进行生产和辅助生产作业以及保证仓库作业安全所必需的各种机械设备的总称

答案

参考答案：C

解析：仓储技术设备是指仓库进行生产和辅助生产作业以及保证仓库及作业安全所必需的各种机械设备和设施的总称。仓储技术设备可按照功能、作业方式、使用范围、作业形式分成不同的类别。

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单项选择题

Many people are surprised when they find the Internet(因特网)was set up in the 1960s. At that time, computers were large and expensive. Computer networks(网络) didn’t work well. If one computer in the network broke down, then the whole network stopped. So a new network system (系统) had to be set up. It should be good enough to be used by many different computers. If a part of the network was not working, information could be sent through another part. In this way computer network system would keep on working all the time.
At first the Internet was only used by the government, but in the early 1970s,universities(大学) ,hospitals and banks were allowed(允许) to use it too. However, computers were still very expensive and the Internet was difficult to use. By the start of the 1990s, computers became cheaper and easier to use.
Today it is easy to get on-line(上网) and it is said that millions of people use the Internet every day. Sending e-mail is more and more popular among students.
The Internet has now become one of the most important parts of people’s life.

Computers become cheaper and easier to use in the ______.

A. 1960s


B. 1970s

C. 1990s
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