单项选择题

According to the writer, forecasting is fairly accurate in ______.

A．politics
B．science
C．sociology
D．economy

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单项选择题

H. J. Rand's prediction about the year 2000 shows that ______.

A．it is easy to figure out in advance what will happen
B．it is difficult to figure out in advance what will happen
C．only professionals can figure out in advance what will happen
D．very few professionals can figure out in advance what will happen

单项选择题

Which of the following statements is NOT compatible with the writer's comment on future study

A．Prediction should be accurate.
B．Professionals sometimes sound like high-school students.
C．There have been big mistakes in the field of economic forecasting.
D．Predictions about the future would always be subject to significant errors.

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