单项选择题

People are surprised to learn that ______.

A．Negroes' achievements are not shown in history books.
B．Phillis Wheatley learned English.
C．Negroes are good at mathematics.
D．Negroes have a very long history in America.

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热门试题

单项选择题

The word tunnel-versioned (Line 2, Para.4) most probably means ______.

A．narrow-minded
B．blind to the facts
C．short-sighted
D．able to see only one aspect

单项选择题

According to the text, why destruction of our natural resources and contamination of our food supply continue to occur

A．inevitable phenomenon of social developing
B．few people are aware of it
C．the tax exerted on manufacturer is too heavy
D．difficulty in affixing legal responsibility on the people who caused the problem