陕旅版英语三年级上册unit 4Part A优质课件 31页

陕旅版三年级上册 Unit 4 What’s This? Part A Lead-in 点头 yes , 摇头 no ； look , look 瞧一瞧。 小雨点儿蹦蹦跳， umbrella 很重要。 vegetable 营养好，身体健康少不了。 water 经常喝，身体棒又好。 黄色的盒子， yellow box . zoo, zoo 动物园，保护动物人人夸。 New words (=it is) 它是 Look, it's a book. 一；一个 It is a banana. 不；不是 Is she your teacher? No , she isn't. 它 It is a door. (=is not) 不是 —Is it a key? —No, it isn’t . 看 Look , it's a panda! 那；那个 That is a bird. 是；是的 —Is it a cat? — Yes , it is. New words Let’s talk Mom, what’s this? It’s a cat. Is that a cat? No, it isn’t. it’s a tiger. Look! What’s that? Is that a lion? Yes, it is. Language points 1. Mom, what's this? 妈妈，这是什么？ 当想知道近处的物品是什么时，可以用“ What's this?” ，其答语为“ It's +a/an+ 名词 .” 。 这是什么？ 它是一顶帽子。 —What's this? —It's a cap. 当想知道远处的物品是什么时，可以用“ What's that?” 。 那是什么？ 它是一只熊猫。 —What's that? —It's a panda. 2. Is this a cat? 这是一只猫吗？ 本句是一个确认近处是否是某物的一般疑问句，可以直接用“ Yes” 或“ No” 来回答。 这是你的书吗 ? 是的，它是。 / 不，它不是。 —Is this your book? —Yes, it is. / No, it isn't. 3. No, it isn't. 不，它不是。 isn't 等于 is not ，表示“不是”。 这不是梨。 It isn't a pear. 到目前为止，我们学过的缩写形式有： I'm=I am it's=it is isn't=is not what's=what is Let's say This is a pear. That’s an apple. What’s this? It’s an egg. Language points This is a pear. That's an apple. this 和 that 是指示代词，用来指代单数名词。指代距离说话人近的人或物用 this ；指代距离说话人远的人或物用 that 。 这是一把椅子，那是一张桌子。 This is a chair and that's a desk. an 是不定冠词，表示“一（人、事或物）”。 an 用在以元音音素开头的单数可数名词前。 apple 以元音音素开头，所以表示“一个”要用 an 来修饰。 一个橘子 an orange Ask and answer A ： What's this/that? B ： It's a/an ... Play roles with your partner A ： What's that? B ： It's a dog. A ： What's that? B ： It's a lion. A ： What's that? B ： It's a fish. Play a game Is that a/an ...? Yes, it is. / No, it isn’t. Is that an apple? Play a game with your partner Yes, it is.