题目

 The doctors and nurses arrived at the _______ soon after the accident happened, so no people died from it. A. grave           B. buffet           C. scene           D. passage 答案：C一树干被台风吹断，折成与地面成30°角，树干底部与树尖着地处相距20米，则树干原来的高度为（　　）米． A、203B、203C、2033D、20