The United States one of the lowest smoking rates -25.5 percent of the population.A．isB．haveC．hasD．are 题目和参考答案——青夏教育精英家教网—

题目内容

The United States _______one of the lowest smoking rates －25.5 percent of the population.

A．is

B．have

C．has

D．are

考察主谓一致.句意:美国有最低的吸烟率_人口的22.5%. be动词的意思是,故用have没The United States指的美国,为第三人称单数,故谓语动词用单属形式,选C.

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