The use of computers and computer-related technologies are more and more important ______.

Computers become cheaper and easier to use in the ______.

A．1960s

B．1970s

C．1990s

A.urgent

B.characteristic

C.remarkable

D.feature

●One use of networks is to let several computers share (71) such as file systems，printers，and tape drives.

(71) A．CPU

B．memory

C．resources

D．data

______refers to the use of machine (usually computers) to translate texts from one natural language to another.

What is this passage mainly talking about？

A．The use of computers for sale of products.

B．The distribution step in the marketing process.

C．Cost control in inventory of a product.

D．Wholesale and retail chains of a product.

Salesmen use computers mainly to _______.

A.check the list of goods and materials that are kept in the store house

B.play games for pleasure

C.talk with their friends

D.write letters

A．whose

B．as

C．what

D．that

This passage tells us ______.

A．about computers

B．how to buy a computer

C．what computers are good to use

D．which computers are expensive

One use of networks is to let several computers share(75)such as file systems, printers, and tape drives.

A．CPU

B．memory

C．resources

D．information