单项选择题

On the whole, the passage is mainly about ______.

A．the second largest continent in the world
B．a dangerous and unpleasant insect
C．farmland in the heart of Africa
D．a kind of illness that can destroy cattle

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热门试题

单项选择题

According to the author, the effective way to spread the use of computers is to teach ______.

A．how to use computers
B．what computers use
C．where computers can be used
D．how computers work

单项选择题

The underlined part print illiterate in the text refers to ______.

A．one who has never learnt printing
B．one who has never learnt to read
C．one who is not computer literate
D．one who is not able to use a typewriter