A snowstorm consists of a Anearly infinite Bamount of ice crystals formed in the Cfrozen environment of the middle Dand upper at

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问题 A snowstorm consists of a Anearly infinite Bamount of ice crystals formed in the Cfrozen environment of the middle Dand upper atmosphere.

选项 A、
B、
C、
D、

答案B

解析 Amount is used only with uncountable nouns. Ice crystals is countable. Correction: number.

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托福（TOEFL）

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