题目

【小题1】Huanan Tigers are one of _____(濒临灭绝的) animals.【小题2】To my great _____（高兴），I have passed the final examination.【小题3】What's up? There's such a loud        （噪音） in the room.【小题4】 There is a  __________ (职业) player on their team.【小题5】People are much________ (富有) than ten years ago. 答案：【小题1】endangered 【小题1】 pleasure/joy 【小题1】 noise 【小题1】professional   【小题1】richer解析: 略求函数在上的最小值.