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最佳答案:解题思路:(1)我们闻到周围物体的气味是分子运动的结果.(2)水的比热容较大,同样受热或冷却的情况下,吸收或放出相同热量,但水的温度变化比沙小.因此,在白天同样
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最佳答案:It shows that it will be sunny in most part of China for each day in the next fi
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最佳答案:Good morning !It's 7 o'clock.Here’s the weather report for some big cities in Ch