题目

函数的图像的大致形状是                                        （    ） 答案：B  解析：当时，，又，可排除C、D；当时，，又，可排除A,故选B．Peace is necessary to all. After all, it is the United States and China, as the two largest economies in the world, that ________ most from a peaceful and stable Asia-Pacific.A. are benefited B. will benefitC. will be benefited D. had benefited