8.They usually go for a walk in _____ with each ot

8.They usually go for a walk in _____ with each other after supper.(3分)A. compan

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要使函数f(x)=sin4x/x在x=0处连续,应给f(0)补充定义的数值是()A. 1B. 2C.

要使函数f(x)=sin4x/x在x=0处连续,应给f(0)补充定义的数值是()A. 1B. 2C. 3D. 4

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