单项选择题

Which of the following is TRUE

A．Man is more color-conscious than the honey-bee.
B．The honey-bee is blind to red.
C．The honey-bee can see far more colors.
D．Man is sensitive to the ultra-violet.

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热门试题

单项选择题

The author has a cell phone just because ______

A．she deals with business
B．she has to talk with friends
C．several people have one
D．most of the people have one

填空题

There is a great______(differ) between a second-rate company and an international company.