A Let's Listen and Say B Let's Learn C Let's Practise D Let's ReadE Let's Write F Let's Have Fun F Let's Have Fun Tree Planting DayIt's on 12th March.When is Tree Planting Day ?plant treesWhat should we do ? A Let's Listen and SayWhat can trees do ? 树木可以做什么呢？trees cankeep the air cleanair[eə]空气trees cankeep us cooltrees canmake the place beautifulplace[pleɪs]地方Act it out• Work 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。plant trees 植树 keep us cool使我们保持凉爽make the place beautiful 使这个地方变得美丽keep the air clean 保持空气清新B Let's LearnC Let's PractiseI 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。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。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。D Let's ReadBecause 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。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。E Let's WriteComplete 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.F Let's Have Fun
