1、认知目标（Recognize Objective ）：了解正数和负数是怎样产生的，理解0表示的量的意义，体会负数引入的必要性和有理数应用的广泛性。
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recognize objective
识别目标
以上为机器翻译结果，长、整句建议使用 人工翻译 。
"Analysts will have to recognize that if they are not objective, the evidence will surface and they will be punished, " says S.P.
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They recognize that the benefits of accomplishing the objective dramatically outweigh whatever negative situations they encounter.
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