— So how can we buy safe food? — . 单选题 (10 分) 10分 A. The higher the price, the safer the food B. We can plant vegetables and fruits by ourselves C. When we choose food, we must remember to check its tag, confirming whether the basic information is marked on it

— So how can we buy safe food?

— .
单选题 (10 分) 10分
A.
The higher the price, the safer the food

B.
We can plant vegetables and fruits by ourselves

C.
When we choose food, we must remember to check its tag, confirming whether the basic information is marked on it

出自：国家开放大学理工英语4

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