Americans eat______vegetables per person today as they did in 19

admin2012-05-07  33

问题 Americans eat______vegetables per person today as they did in 19

选项 A、more than twice
B、as twice as many
C、twice as many
D、more than twice as many

答案C

解析 比较结构题。倍数+as many+as+被比较物。因此选择C。
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