单项选择题

Although we all depend on the resources of nature for our survival, ______.

A．industrial products are replacing all our natural resources
B．it is only on islands that nature survives
C．we have forgotten what our original countryside looked like
D．we have allowed large areas of countryside to be spoilt by industrial development
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单项选择题
Dr. Baum, a representative of the Council, visited one particular British national park because ______.
A．he was presenting the park with a diploma for its achievements
B．he was concerned about how the park was being run
C．it was the only national park of its kind in Europe
D．it was the only park which had ever received a diploma from the Council
单项选择题
It is implied but not stated in the passage that the federal government ______.
A．encourages basic research
B．devotes more than 90% of its research and development funds to applied research
C．spends far more on applied research than on military problems
D．opposes the Foundations grants to basic research
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