题目内容
【题目】Americans eat ___ vegetables per person today as they did in 1910.
A. more than twice B. as twice as many
C. twice as many as D. more than twice as many
【答案】D
【解析】
试题分析:考查倍数的用法。表示“……是……倍”,由“倍数+as +形容词+ as +”结构组成。as many as和…一样多,但由后文as they did中出现了as,与C选项as many as重复。句意:今天的美国人每人吃蔬菜的量,是他们在1910年吃的两倍多。故选D
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