题目

I tried toin my speech how grateful we all were for his help. A. convey                               B. communicate C. contact                              D. correspond 答案：A13．奇函数f（x）与偶函数g（x）的图象分别如图甲与图乙所示，设方程f（g（x））=0与g（f（x））=0的实根个数分别为a，b，则a+b的值为14．