问题
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Because it is tuned a fifth lower, the viola produces a sound that is more resonant than t
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A.Because their environment is becoming more and more dirty.B.Because the traditional
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Why do many wealthy people gamble?A.Because it is much more exciting than motor racing or
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The man is surprised because______.A.the party couldn"t be more successfulB.the woman is m
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Why is the night flight more harmful?A.Because it is not safer than daytime flight.B.Becau
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Why are ethical rules more difficult to apply today?A.Because business is no longer a matt