Unit 3 A travel PlanLesson 16Lead-inTraffic toolsIf you are going to Beijing, which kind of traffic tools will you choose? Why?New wordsslow慢的；缓慢的plane飞机fast快的；迅速的train火车from ... to ...从……到……Bus or plane?This is a bus. A bus is slow.This is a plane. A plane is fast. Language pointsA bus is slow. A plane is fast. 公交车很慢。飞机很快。 本句中 slow 和 fast 是一组反义词。 slow 一般用作形容词，而 fast 则经常用于形容词和副词。 例句： I am slow. 我很慢。 Tom is fast. 汤姆很快。 Tom runs fast. 汤姆跑得很快。Let’s go by train.Let’s go to Beijing by plane, Mum! A plane is fast.No, Li Ming. It’s not far. I want to take a bus.How far is it from Shijiazhuang to Beijing?It’s 278 kilometres.A bus is slow. I don’t want to take a bus.Let’s take a train. A train is fast.Okay.Language points1. Let’s go to Beijing by plane, Mum! 妈妈，让我们乘飞机去北京吧！本句是由 let’s 引导的祈使句，一般用来向对方提出建议。let’s 是 let us 的缩写形式，指包括说话人在内的“我们”。Let’s do sth. 让我们做……吧一般答语： OK / All right / I’m afraid not.例句：让我们在这儿画幅画吧！ 恐怕不行。 Let’s draw a picture here. I’m afraid not. 2. I want to take a bus. 我想要乘公交车去。take ＋交通工具＝ go ... by ＋交通工具 乘这种交通工具去……例句：我喜欢乘公交车去学校。 I like to take a bus to school. ＝ I like to go to school by bus. 3. —How far is it from Shijiazhuang to Beijing? —It’s 278 kilometers. 本句式用来询问两地之间的距离或者路程。基本结构： How far is it from ＋地点 A ＋ to ＋地点 B ？ 答语： It is ＋基数词＋长度单位 注意：长度单位根据基数词进行单复数变化。例句：从你家到学校有多远？ 只有一千米。 How far is it from your home to school? It’s only one kilometre.拓展： how many 多少个 how much 多少钱 how long 多长 how old 多大 how tall 多高Let’s sing!A plane is fast.A bus is slow.Let’s take a plane.That is how I want to go!A plane is not cheap.A train is just right!We can take a train.On our trip to Beijing!Let’s do it!Pair work. Look, ask and answer. LanzhouBeijingShijiazhuangXi’anZhengzhou676 km923 km511 km412 km278 kmHow far is it from Xi’an to Lanzhou?It’s 676 kilometres. Play rolesHow far is it from Xi’an to Shijiazhuang?It’s 923 kilometres. How far is it from Xi’an to Zhengzhou?It’s 511 kilometres. How far is it from Zhengzhou to Shijiazhuang?It’s 412 kilometres. How far is it from Shijiazhuang to Beijing?It’s 278 kilometres.
