Unit 7 What’s the highest mountain in the world?
教学目标：
1语言目标：掌握本单元重点词汇及能用比较级和最高级谈论各之最。
2 技能目标：能听懂和谈论有关地理和自然的话题。
3 情感目标：培养学生热爱大自然，保护环境的意识。
教学重点：
短语:in size, in the world, 2 meters tall/long/wide, the biggest population, one of the biggest, the most popular question, talk about, the ancient emperors, the main reason, as far as I know, no man-made objects, mountain climbing, the southwestern part of China, thick clouds, cover the top, risk one’s life, challenge oneself, achieve one’s dream，the forest of nature, try to do sth., the spirit of the climbers, many times more than ,live up to, prepare …for.., be awake, be special to sb., spend some time doing sth., in the remaining forest, endangered animals, in the future…
