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单选题英语四级

2008-05-30

What is said about the U.S. federal funding for research?

A．It has increased by 3 percent

B．It has been unsteady for years

C．It has been more than sufficient

D．It doubled between 1998 and 2003

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参考答案

B

答案解析

It has been unsteady for years.

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