单项选择题

What is the author's attitude towards science

A．He is depressed because of the ignorance of scientists.
B．He is delighted because of the enormous scientific findings.
C．He is doubtful because of the enormous difficulties in scientific research.
D．He is confident though he is aware of the enormous difficulties in scientific research.
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单项选择题
An inevitable result from providing relief is __________.
A．less individual effort
B．a decrease in revenues
C．high unemployment rate
D．less business investment
单项选择题
According to the author, really good science __________.
A．will bring about disturbing results
B．will produce results which cannot be foreseen
C．will help people to make the right choice in advance
D．would surprise the brightest minds of the 18th century Enlightenment
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