Unit 1 Making New Friends.Topic 3 How old are you?Section B一、学习目标：1. 我要掌握新单词English, eraser, map, pen, pencil, desk, an, spell, a, can, apple, toy, try, again.2. 我会识别物体。3. 我会询问单词拼写的表达。4. 我会表示感谢及应答语。二、重点：Whats this/that in English?Its an eraser/a map. How do you spell it?E-R-A-S-E-R, eraser. Can you spell it, please? Yes. M-A-P, map. Thank you./Thanks.Thats OK./Youre welcome.难点：掌握不定冠词 a和 an的用法。三、自学质疑：1.写出下列图片相应的单词。 1._ 2. _ 3. _ 4. _5. _ 6. _7. _2.细读1a,完成下列连线。1 . Whats this in English? a. 那用英语怎么说？2. Whats that in English? b. 这用英语怎么说？3. Its an eraser. c. 你怎样拼写它？4. Its a map. d. 请问，你会拼写它吗？5. How do you spell it? e. 这是一块橡皮。6. Can you spell it, please? f. 没关系。7. Youre welcome. g. 这是一张地图。3.一起欣赏flash in 1a。能读并能翻译1a。四、合作探究：我会背和我有发现。1.Whats this/that in English?Its an eraser/a map. How do you spell it?E-R-A-S-E-R, eraser. Can you spell it, please? Yes. M-A-P, map. Thank you./Thanks.Thats OK./Youre welcome.2. a pencil/car/pen/bookan egg/orange/apple3.Is this/that a desk?Yes, it is./No, it isnt.4.听录音完成1b,分小组练习1c。5.听录音完成2a,分小组练习2b。Example：Whats this/that in English?Is it a/an?Yes, it is. How do you spell it?/ No, it isnt. Please try again.四、当堂检测：(1）- Whats that in English? -Its _ car. Its _ orange car. A. a, an B. a, a C. an, an(2) This is _ English book. A. a B. an C. /(3) Is that your _?A. a bike B. bike C. an bike(4)- _ do you spell orange? -O-R-A-N-G-E, orange.A. How B. What C. Whats(5)- Whats this? -_ A. Yes, its an egg. B. Its an orange. C. Its English car.3