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请在第_(49)___处填上正确答案
A．Another distinction between science and technology has to do with the progress in each. B．Unlike science, progress in technology must be measured in terms of the human factor.
C．What scientists discover may shock or anger people as did Darwin's theory of evolution.
D．Science and technology are different.
E．We are all familiar with the improper use of technology.
F．Science is a method of answering theoretical questions; technology is a method of solving practical problems.
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