问题
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One nautical mile is the length of an arc of great circle which subtends an angle of ()at
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The wealth of a country should be measured in the light of the health and happiness of its
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Which of the following is INCORRECT according to the passage?A.The author lived 12 miles a
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What is the speed limit of the train?A.50 miles an hour.B.89 miles an hour.C.96 miles an h
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Where did the diver gone missing?A.12 miles southeast of Portland.B.12 miles northeast of
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Kunming is _____the southwest of China.A. onB. inC. to
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