Unit 4 Planting trees is good for usA Let\'s Listen and Say B Let\'s Learn C Let\'s Practise D Let\'s Read E Let\'s Write F Let\'s Have Fun 回到首页Tree Planting DayIt\'s on 12th March.When is Tree Planting Day ?回到首页plant treesWhat should we do ? 回到首页回到首页What can trees do ? 树木可以做什么呢？trees cankeep the air cleanair[e?] 空气回到首页回到首页trees cankeep us cool回到首页trees canmake the place beautifulplace[ple?s] 地方回到首页Act it outWork in groups,and act it out! Then，show to us! 小组内分角色演读课文。 然后，展示给大家看。回到首页回到首页回到首页I will water the young trees every day. 我将每天给小树浇水。water （1）（名词）水 如：Water is important for us. 水对我们很重要。 （2）（动词）浇水 如：You should often water the flowers. 你应当经常给花浇水。回到首页We should look after them. 我们应该照顾它们。look after 照顾 同义短语：take care of 如：Amy often looks after her grandma. 埃米经常照顾她的奶奶。回到首页Soon they will become big trees. 很快它们将成为大树。become （动词）变成，成为 如：He will become a teacher. 他将成为一名老师。回到首页回到首页Because we want more houses, roads and buildings. 因为我们想要更多的房屋、道路和建筑物。building （名词）建筑物 如：He live in a tall building. 他住在一栋高楼里。回到首页There are more and more roads because there are more and more cars. 有越来越多的路是因为有越来越多的汽车。more and more 形容词比较级 and 形容词比较级，表示“越来越……”。 如： better and better越来越好 stronger and stronger越来越强壮 more and more interesting越来越有趣 More and more people are coming here. 越来越多的人来到这里。 回到首页Complete the table. Why do people cut trees? 1. ___________________________________________ 2. ___________________________________________ 3. ___________________________________________ 4. ___________________________________________ Why should we plant more trees? 1. ___________________________________________ 2. ___________________________________________ 3. ___________________________________________ 4. ___________________________________________Trees can make the place beautiful.Trees can keep the air clean.Farmers need more land to grow food.We want more buildings.We want more roads.We want more houses.Trees make the earth clean and green.Trees help to make the air cool and fresh.回到首页Thank you!
