冷水倒在地上发出清脆的噼啪声，而开水倒在地上发出低沉的扑扑声，这是因为冷水四周水汽少，开水四周水汽多。()
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近代中国反帝民族解放斗争的先导是以_____、_____为代表。
The last paragraph implies that______.
A. copyright should be eliminated
B. creative people should be better compensated
C. strict copyright protection benefits society
D. minor use of others" work should be allowed
The author suggests that the effect of intensifying agriculture in coping with poverty is______.
A. desirable
B. harmful
C. profound
D. questionable
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