单项选择题
Questions 16 to 18 are based on the passage you have just heard.
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A. We’ll see airplanes flying in the sky.
B. There will be no air.
C. There will be a lot of air around us.
D. We’ll become light enough to fly.
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单项选择题
A. The more goods, the better.B. The more mental satisfaction, the better.C. The more luxury items, the better.D. The more earnings, the better.
A. The more goods, the better.
B. The more mental satisfaction, the better.
C. The more "luxury" items, the better.
D. The more earnings, the better.
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单项选择题
A. Because airplanes are driven by air. B. Because they need air to see things far ahead. C. Because they need air to lift their wings. D. Because the drivers can’t breathe without air.
A. Because airplanes are driven by air.
B. Because they need air to see things far ahead.
C. Because they need air to lift their wings.
D. Because the drivers can’t breathe without air.
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