折り返しお電話いただけるとありがたいんですが。
参考答案：如果能回个电话就好了。
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
1914年，美国国会通过了以下哪种法律，从而实现了农业推广的法制化？（）
A.《农业推广法》
B.《农业管理法》
C.《农业合作推广法》
D.《农业生产法》
