单项选择题

A．within
B．with
C．from
D．less
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单项选择题
Why did the intelligence test become unpopular in the past few decades
A．Its validity was challenged by many communities.
B．It was considered discriminative against minority children.
C．It met with strong opposition from the majority of black parents.
D．It deprived the black children of their rights to a good education.
单项选择题
According to the first paragraph, the atmosphere is essential to man in that ______.
A．it protects him against the harmful rays from space
B．it provides sufficient light for plant growth
C．it supplies the heat necessary for human survival
D．it screens off the falling meteors
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