题目

⊙O的直径为15cm，O点与P点的距离为8cm，点P的位置（ ） A．在⊙O外         B．在⊙O上          C．在⊙O内         D．不能确定 答案：A【分析】由⊙O的直径为15cm，O点与P点的距离为8cm，根据点与圆心的距离与半径的大小关系，即可求得答案． 解：∵⊙O的直径为15cm， ∴⊙O的半径为7.5cm， ∵O点与P点的距离为8cm， ∴点P在⊙O外．Why the moon ran away?This story is told by the Naga people, who live in the mountains of northeast India. It explains why the moon is far away from Earth and why, every month, sometimes the sky grows dark and nothing can be seen except many s_______ in the sky. It also explains why, once a month, the full moon appears, shining down on Earth.The Naga say that once upon a time, the moon was close to Earth, near their village. It loved to be near people and it shared in the games of the children and the festivals that took place every year. But one day, the moon was in t_______. An old woman who was cleaning her house stuck（刺痛）the moon by accident with her wooden broom（扫帚）. The moon began to cry in pain. The children of the village thought it was very amusing and they began to t_______ sticks and stones at the moon’s face hurting it even more. Of all the children, only one little girl felt sorry for the p_______ moon and told the children to stop, but they would not listen.The moon was so hurt that it cried s_______ every day, so it decided to go away and live far away from Earth in the sky where it would be safe from the bad children. This is why, every month, the moon hides its face and the sky is dark. The little girl, however, missed the moon so much that she began to sing a song to make the moon r_______. This is why, also every month, the moon turns its face to Earth again to smile down on its only friend.【1】s_______【2】t_______【3】t_______【4】p______【5】s______【6】r______