单项选择题

The author cites Lord Rutherford' s accomplishment in order to show that ______.

A． even the most knowledgeable scientists are often too pessimistic
B． many failed to see the negative aspects of nuclear technology
C． Rutherford predicted future events more reliably than did Comte
D． only those with technical expertise can predict future developments
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单项选择题
Why did the author say Schumpeter, no doubt, would call this maladjustment.
A． Housing, instead of manufacturing industry, attracted extra labour and capital.
B． The rise of manufacturing capacity failed to bring about the narrowing of deficit.
C． The wages of construction workers were the highest in 50 years.
D． Housing investment accounted for the biggest part of GDP.
单项选择题
The reference to Mount Everest in Para. 9 differs from that in para. 10 in that the first reference is an example of ______.
A． something easy to do, whereas the second reference is an example of something difficult
B． goals that have been achieved in the past, whereas the second reference is an example of goals to be considered
C． a tall mountain, whereas the second reference is an example of the tallest mountain
D． something outlandish, whereas the second reference is an example of a goal worth pursuing
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