Chapter2 protecting our environment一、 课文重点语言点1. Pollution means. making things dirty and unhealthy. Make的用法：重点 make sth.sb. + adj. 使.处于某种状态,如：the good news made me happy. 做使役动词:make/let/ have sb.do sth. 使某人做某事（使役动词后接动词原形），如： The boss made his workers work 15 hours a day. Dont let him do the job. 2. The best-known flowers in .these sweet-smelling flowers are known as the flowers of Shenzhen city. best-known 最有名的（well-known的最高级 wel
