Unit 4Unit 4Planting trees is good for usPlanting trees is good for us3
1212th Marchis TTree ree PPlanting lanting DDayay
植树节What should we do
What should we do
plant treesplant trees[plɑːnt] [plænt]种树种树What can trees do
air [eə]空气空气Trees can keep the air cleankeep us coolTrees can keep us cool
place [pleɪs]Trees can make the place beautiful
地方地方小组讨论：Trees can …ReportPlanting trees is good for us
Trees can…We should… Trees Planting Day in China is on 12th March
在中国，植树节是 3 月 12 日
12th March 3 月 12 日 , 为英语中对具体月，日的表达
在英语中，月份开头第一个字母必须大写
（日期在前，月份在后） Planting more trees is good for us
植树对我们有好处
be good for 对…有好处
