单选题：Our statistics show that we consume allthat we are capable o

题目内容：

Our statistics show that we consume allthat we are capable of producing. A．waste
B．buy
C．use
D．sell

参考答案：【答案仅供学习，请勿对照自行用药等】

答案解析：

Since ancient times people have found variousways to preserv

Since ancient times people have found variousways to preserve meat.A．eat B．cook

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