Two waterfalls the city limits Rochester, New York, with an enormous number of electric power. (TOEFL)
我没有看出句中的错误。请分析。
虽然 an enormous number of 与 an enormous amount 都表示“大量的”，但是前者只能与可数名词连用，而后者只能与不可数名词连用。electric power 为不可数名词，所以，必须与 an enormous amount 连用。the number of 与 the amount of 的区别亦是如此。
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There were a large number of people there. (Palmer) 那里有很多人。
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I had not expected such an amount of praise. (Davies) 我没有料到会得到如此之多的赞扬。
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The amount of lift increases with the speed of the aircraft. (SS) 飞机的升力随着飞行速度的提高而增大。
请做下面的英语试题：
- The principal reason for the great number of smoke is that there are too many factories in the city. (全国研考)
amount/quantity
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The amount of endangered species increases every year as natural habitats disappear. (A) B C D (TOEFL)
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Eggs, though nourishing, have ____ of fat content. A. large number B. a large number C. the high amount D. a high amount(全国研考)