单项选择题

Nell Hunt' s design would finally lead to the improvement of the way of

A．recording direct sunshine
B．recording the hours of sunshine
C．using the energy of the sun
D．knowing how strong sunlight is
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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
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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