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22.(本小题满分12分)已知函数f(x)=kx-xlnx,k∈R.(1)当k=1时,求函数f(的单调区间:(2)当0 A. It needs big space.B. It may have health problems..C. It bites strangers15.Where will the speakers probably get a dog?A. From a pet store.B.From a rescue shelter. C. From a friend.