单项选择题

Max Mayfield, a top forecaster mentioned in the news report, works

A．in the National Hurricane Center.
B．as a CNN meteorologist.
C．somewhere near the Gulf of Mexico.
D．to predict the tropical storms.
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单项选择题
According to the passage, why can’t any physical theory be permanently established
A．Such a theory is only suggested as a possible way of explaining an idea.
B．The person proposing such a theory may be incompetent.
C．Observations always disagree with predictions.
D．Observations are always falsified by predictions.
单项选择题
How old is Mark Sokolow who was reported to be injured in an explosion in Jerusalem
A．43.
B．81.
C．27.
D．30.
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