The method of salting the food.A．was not used in the pastB．involves tile use of chemicalsC
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The method of salting the food .
A．was not used in the past
B．involves tile use of chemicals
C．is not liked by most people
D．is no longer used by hunter
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正确答案：B
解析：根据题干中的关键词salting the food定位到文章末段第三、四句Salt helps to preserve food because it slows or stops bacteria growth. Other chemicals besides salt are used in preserving food.可知，盐能帮我们保存食物，因为盐能减缓或终止细菌的生长。除了盐以外的一些化学物质也被用于食物的保存。由Other chemicals besides salt可以得知盐也属于化学物质，答案为B。当然我们也可以用常识判断。