Unit 8 We shouldn’t waste waterLead-inNew wordswaste浪费blouse女式短上衣enough足够的save节 约drop( 一 ) 滴fresh新鲜的Let’s listen and sayWhat are you doing, dear?I’m washing my blouse.We shouldn’t waste water. Why?You need water. Everyone needs water.I’m sorry, Mum.There isn’t enough water on the earth.I see.We must save every drop of water.1. We shouldn’t waste water. 我们不应该浪费水。 should 是情态动词，意思是“应该”，后面接动词原形。其否定形式为 shouldn’t 。 例：我们应该努力学习。 We should study hard.2. You need water. 你需要水。 need 的意思是“需要”，作行为动词时，有人称和数的变化，后面可接名词、代词、动名词和带 to 的动词不定式。3. There isn’t enough water on the earth. 地球上的水资源不够。 enough 的意思是“足够的”，当修饰形容词时， enough 放在形容词之后；当修饰名词时， enough 放在名词之前。例：我有足够的时间做我的家庭作业。 I have enough time to do my homework.Let’s Learnkeep the rivers cleankeep the air clean and fresh保持河水干净保持空气干净与新鲜plant more trees多种树use bikes instead of cars骑自行车而不坐小汽车shouldn’t kill wild animals不应该猎杀野生动物shouldn’t waste water不应该浪费水shouldn’t litter不应该乱扔垃圾keep the rivers clean 保持河水干净keep 作动词， 意思是“保持”，这个短语的结构是“ keep+ 名词 + 形容词”，表示“保持某物 / 某人……”。例：你应该保持你的房间干净。 You should keep your bedroom clean.Let’s practiseWeshould plant more trees.shouldn’t waste water.We should plant more trees.We shouldn’t kill wild animals.Play rolesWe should keep the rivers clean.We should keep the air clean and fresh.We shouldn’t waste water.We shouldn’t litter.Let’s readMr Zhou’s office is not far away from his home, but he drives to work every day.He likes his car very much, so he often washes his car and he uses a lot of water to do it.He te...
