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千万善良
上传于：2024-07-12
2023届高考英语三轮复习·冲刺押题
外刊阅读理解训练16
——改编自How much does a cloud weigh?
【文章】
Have you ever wondered how much a cloud weighs? Clouds may look light and fluffy, but they are much heavier than air. Clouds are formed from air and tiny water droplets when water condenses around a "seed" particle such as nitric acid or vapors released by trees.
There are a few ways that the weight of a cloud can be measured. One method involves weighing the water vapor within the cloud, which requires understanding the dim