Americans eat ______ vegetables per person today as they did in 1910.

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问题 Americans eat ______ vegetables per person today as they did in 1910.

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 本题考查的是比较状语从句。倍数+as many as+被比较物。与1910年相比,如今平均每个美国人吃两倍的蔬菜。
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