1. 表示比较双方程度相同时2. as + adj. / adv.( 原级) + as : 和一样3. eg. He is as tall as Michael.4. I run as fast as you.5.2. 表示比较双方程度不同时6. not as / so + adj. / adv. ( 原级) + as: 不如7. eg. This book isnt as / so interesting as that one.8. Sally doesnt sing as / so loudly as Lily.9. We cant jump as far as he.10. 想一想:not 加在什么位置?1. My brother is as thin as me. 2. He lives as happily as others. 3. Your eyes are as small as his.4. He feels as disappointed as you.5. She looked as sad as Maria. My brother is not as / so