关键控制点的关键限制的设定,学习资料中率先提到的依据是__________。
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致病菌的控制,可以作为关键控制点的监控对象。( ),,
A. 对
B. 错
1. My brother and I _______ walking the family dog.
2.It is said that these sandstorms _______ in the desert.
3.The coming public performance, her first one, will certainly _______ the young singer to _______.