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问题详情

According to the passage, the screen or cutters are fitted to __ (1)kill bacteria (2)break up the solid waste (3)remove solid matter with large size

A、(1)

B、(2)

C、(2)(3)

D、None of (1)(2)(3) is true

时间：2022-01-11 03:20 关键词：

答案解析

B