单项选择题

It can be implied that the cars of 2020______.

A．will be owned by individuals
B．will improve the condition of traffic
C．will have advanced brake and accelerator
D．can't avoid the happening of accidents

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单项选择题

A．scattering CB．preservingC．discardingD．recycling

A．scattering C
B．preserving
C．discarding
D．recycling

单项选择题

Why do Americans tend to ignore the rest of the world

A．Because they are not interested in other countries.
B．Because their country doesn't have many neighboring nations.
C．Because they are too proud of themselves.
D．Because they are too busy to learn about other countries.