of that country by snow.A. Second thirds; is coveredB. Two thirds; is coveredC. Two thir

of that country by snow.
A. Second thirds; is covered
B. Two thirds; is covered
C. Two thirds; are covered
D. Two third; covers

A. Second thirds; is covered(答案→)B. Two thirds; is coveredC. Two thirds; are coveredD. Two third; covers解析：句意：这个国家的三分之二被雪所覆盖。在英语中分子用基数词表达，分母用序数词表达如果分子大于1，分母变复数。分数作主语时，根据其后接的词而定，如果为不可数名词或名词的单数，则相当于单数，如果其后接的为可数名词复数形式，则相当于复数，故选B

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