单项选择题

We can infer from the text that "computer literal" means ______.

A．being able to afford a computer
B．being able to write computer programs
C．working with the computer and finding out its value
D．understanding the computer and knowing how to use it

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单项选择题

The underlined word it in the second paragraph refers to the idea that Computer town

A．helps to set up more computer clubs
B．brings people to learn to use computers
C．brings more experts to work together
D．helps to sell computers to the public

单项选择题

What does the second paragraph mainly discuss

A．Some animals and plants depend on each other for existence.
B．Some animals and plants develop their relationship easily.
C．Some plants depend on each other for food.
D．Some animals live batter together.