根据我国《票据法》的规定，票据上记载事项不能更改的有（）。
A.出票地
B.票据金额
C.出票日期
D.收款人名称
参考答案：B, C, D
简述粮油作物营销的重要性？
The Chinese diet is so healthy, which ________ a lot of fruit and vegetables. [ ]
A. contains
B. includes
C. containing
D. including
