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题目内容
（管理英语3）
According to Michael, food safety problems can.t be prevented because_______.
选择一项：
A. the industrial standards are too high
B. the industrial standards are too low
C. there aren.t any industrial standards
选择一项：
A. the industrial standards are too high
B. the industrial standards are too low
C. there aren.t any industrial standards
参考答案
