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【題目】_____of the land in that area ______covered with trees and grass.

A. Two fifths; is B. Two fifth; are

C. Two fifth; is D. Two fifths; are

【答案】A

【解析】

試題分析:句意:那個地區(qū)五分之二的陸地被樹和草覆蓋著。分數(shù)是由基數(shù)詞和序數(shù)詞一起來表示的;鶖(shù)詞作分子,序數(shù)詞作分母,除了分子是“1”以外,其它情況下序數(shù)詞都要用復數(shù)形式。結合句意,故選A。

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