[单选题] 提问人:匿名网友 提问时间:2021-08-22

Which of the following statements about salt is NOT TRUE?


A .For many years people have been unaware of many problems of salt including its corrosive effects.
B .Salt is the cheapest among its many alternatives with its purchase price of 25 dollars a ton.
C .The national bill of salt may reach as high as 5 billion dollars a year.
D .The economic cost of salt is still lower than the cost of CMA.

提问人:匿名网友 提问时间:2021-08-22

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