单项选择题

What' s the use of Simon West' s animated road signs

A．To warn people to be careful while working.
B．To warn people on the roads of the danger ahead.
C．To add to the beauty of a city.
D．To help make a car trip more exciting.

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热门试题

单项选择题

The writer holds the view that people seldom

A．have bright ideas
B．turn their bright ideas into realities
C．make their life easier
D．think of inventing something

单项选择题

The organizers of the competition hoped the schoolchildren who took part in would

A．become good designers for future Britain
B．invent something for immediate use
C．design something useful for the next day
D．win as many prizes as they could