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问题: 英语

Americans eat () vegetables per person today as they did in 1910
A twice as many as
B more than twice as many

解答:

选B.倍数的表达方式有好几种。其中 倍数+as.....+as 是比较常见的一种。如he is three times as old as I.他的年龄是我的3倍。
另一种如:He is twice older than me .也是他的年龄是我的3倍的意思。还几种我记不清了。