完形填空I sat down to read under an old tree in the park. A young boy ran up to me. He stood right before me with his head down and said 1 , “Look what I found!” In his hand was a flower
Beijing is the capital of China. It is also one of the birthplaces of the Chinese civilization (文明) and one of the six ancient capital cities in China. It is the second biggest city with an area o
，且函数
与函数
的图象有且仅有一个公共点，则此公共点的坐标为 .
