【題目】Above one third of the population in Beijing and Shanghai __________ netizens, but in poor areas, only three or four percent __________ online.

A. is; is B. are; are

C. is; are D. are; is

【答案】B

【解析】句意:在北京和上海有三分之一的人口是網(wǎng)民,但在貧困地區(qū),只有百分之三或四的人口上網(wǎng)。population指一個地區(qū)或一個國家的人口時為不可數(shù)名詞;但當population由分數(shù)、百分數(shù)或小數(shù)修飾時,視為復(fù)數(shù)。故選B

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