3a—3e教学设计第一课时

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Unit1 Topic3 Section B参考教案

The main activities are 1a and 2a. 本课重点活动是1a和2a。

Ⅰ. Teaching aims and demands教学目标

1. （1）Learn some new words about school things: pencil, ruler, eraser, pen, desk, book, blackboard （2）Learn other useful words and expressions: English, in English, it, an, orange, spell, a, car, apple, double 2. Learn the demonstratives “this/that” and articles “a/an”.

（1）Is this a ruler? Yes, it is. / No, it isn’t.

（2）Is that an orange? Yes, it is. / No, it isn’t.

Ⅱ. Teaching aids教具

实物图片 / 音频设备/ 数字卡片 / 小黑板

Ⅲ. Five-finger Teaching Plan五指教学方案

Step 1 Review 第一步 复习 （时间：7分钟）

1. （1）（复习数字0～10。）

T: Let’s review the numbers from zero to ten.

What’s your telephone number, S1? S1:It’s …（根据实际回答。）

T: Repeat it together, please, boys and girls. Ss:…

T: What’s your telephone number, please, S2? S2: It’s 13955042985.

（2）（复习数字11～20。）

T: Let’s review the numbers from eleven to twenty.

（玩一个数字游戏，拿出数字卡片，方法见Section A。）

2. （复习上节课的对话，找两个学生表演。）

T: Let’s review the conversations in Section A. S3& S4, talk about the age and phone number, please. S3: What’s your name?

S4: My name is Li Jie. S3: How old are you? S4:I’m five.

S3: What’s your phone number?

S4:（010）6800-3553. T: Very good, thank you. Sit down, please. S5, S6, something about “class” please.

S5: Hi, Michael! What class are you in? S6:I’m in Class Four, Grade Seven. Are you in Class Four, too?

S5: Yes, I am. / No, I’m not; I’m in Class Seven.

T: Good, thank you. Sit down, please. S7, S8, something about “grade,” please.

S7: Hello, Jane! What grade are you in? S8:I’m in Grade Seven. Are you in Grade Seven, too?

S7: Yes, I am. T: Great, thank you. Sit down, please. S9, S10, something about “Nancy”, please.

S9: Hi, S10! Who’s that?

S10: That’s Nancy.

S9: How old is she? S10: She’s fourteen. S9: What class is she in? S10: She’s in Class Eleven, Grade Eight.

T: Well done! Thank you. Sit down, please. Step 2 Presentation 第二步 呈现 （时间：8分钟）

1. （老师拿出字母卡片，把组成“orange”的六个字母O-R-A-N-G-E粘在黑板上，旁边写上小写字母“orange”，再手拿桔子的实物图片提问。）

T: Look at this picture. Let’s ask and answer. OK?

Ss: OK. T: What’s this in English?

（启发学生回答：It’s a/an …。）

Ss: It’s an orange.

T: How clever! It’s an orange.

（板书这两句话。）

What’s this in English?

It’s an orange.

T: Let’s go on.（继续问答。）

How do you spell it? （反复教读这句话，帮助学生理解这句话的含义，启发他们回答，和学生一起看黑板上的字母拼读出这个单词。）

Ss: O-R-A-N-G-E, orange. （板书这两句话。）

How do you spell it？ O-R-A-N-G-E, orange. （播放录音，让学生跟读并理解它的用法。）

（教师把实物卡片拿得远离自己，和学生对话。然后教另一半对话，使用that,继续完成1a Look, listen and say。）

T: Now let’s make another conversation. Listen to me carefully.

What’s that in English?

（教师指着远处的小汽车图片问所有的学生。）

Ss: It’s a car.

（启发学生还是用It’s a/an … 来回答。）

T: How do you spell it? Ss: C-A-R, car. T: Thank you. Ss: You’re welcome.

（指导学生使用You’re welcome。）

（教师指导学生听过录音后，板书下列内容。）

Thank you. You’re welcome.

2. （教师走到一个学生的课桌前指着课桌和学生对话，教授Is this/that a/an？

…句型, 完成2a Look, listen and say。）

T: Boys and girls, answer my questions, please, OK? Ss: OK. T: Is this a desk? （指着课桌。）

（板书这个句子。）

Is this/that a desk? （启发学生回答Yes, it is. / No, it isn’t.）

Ss: Yes, it is. T: Is this a ruler? （还指着课桌问。）

Ss：No, it isn’t.

T: Is that a pencil-box? （教师指着较远处的一个铅笔盒问。）

Ss: Yes, it is. （向学生说明this和that的用法，板书下列内容。）

this→近指 that→远指

3. （解释a/an的用法。）

T: How to use “a” and “an”，do you know? Look at the blackboard, and listen carefully. （板书下列内容。）

a用于辅音音素开头的单数可数名词前

an用于元音音素开头的单数可数名词前

T: Look at these phrases, pay attention to “a” and “an”.

a car/bus/pen/ruler/desk an orange/apple （过渡到下一步。）

Step 3 Consolidation 第三步 巩固 （时间：10分钟）

1. （播放1a录音，再次熟悉1a,模仿1a进行巩固练习。）

（1）（拿出一个苹果的图片，图画的下面是打乱了顺序的几句话，找学生上黑板给这些句子重新排序。）

T: Boys and girls, put these sentences in the right order. S1, S2, you two, please. （两名学生把各自的答案写在黑板上待检查。）

A: That’s OK.

B: It’s an apple.

C: A-P-P-L-E, apple. D: Thank you. E: How do you spell it? F: Excuse me, what’s this in English?

（2）（拿出一幅电话的图片挂在较远处，让学生用that进行表演。）

T:S3, S4, make a conversation using “that” and perform it, please.

S3: Excuse me, S4. What’s that in English?

S4:It’s a phone.

S3: How do you spell it? S4: P-H-O-N-E, phone. S3: Thank you. S4: You’re welcome.

2. （让一名学生上讲台扮演教师，手拿一些学习用品放在背后，右手每次只拿一样让学生猜，学生猜对时，要展示给学生看。）

T:S5， come to the blackboard, please. You ask， and the other students answer. （S右手里拿好的东西不能再更换，猜中后才可更换，还需要找一名学生公证。）

S5: Is this a ruler? （走近时用this。）

Ss: Yes, it is.（展示给同学们看。）

S5: Is that an eraser? （走远时用that。）

Ss: No, it isn’t.

S5: Is this a book? Ss: No, it isn’t.

S5: Is this a pen? Ss: Yes, it is. Step 4 Practice 第四步 练习 （时间：15分钟）

T: Boys and girls. Listen to the tape and repeat, please. Now, take out some school things and make up dialogs. （让学生拿出一些学习用品，如：ruler, pen, pencil等，自编对话，上讲台表演对话，注意用上本课的目标语言和生词。）

T: Group 1, come here, and act out your dialog, please. 1. （让学生两人一组操练上面的对话，范例如下。）

T: Let’s make a conversation using “this” and “that”. S1, S2, you two, please. S1: Is this a telephone? （拿着一幅电话的图片。）

S2: Yes, it is. S1: Is this a bag? （还指着电话问。）

S2: No, it isn’t.

（指导学生再用that做个表演。）

S1: Excuse me, what’s that in English?

S2:It’s a ruler.

S1: How do you spell it? S2: R-U-L-E-R, ruler. S1: Thank you. S2: That’s OK.

T: Good. Go back to your seats and sit down.

Group2, please. S3: Excuse me, what’s that in English?

S4: It’s a desk. S3: How do you spell it? S4: D-E-S-K, desk. S3: Thank you. S4: You’re welcome.

2. （播放2a的录音，让学生跟读，然后两人一组，自编对话，复习巩固this/that和a/an。）

T: Listen to the tape and repeat, then make a conversation and perform it. S5: Is this a ruler? （拿一把尺子问S2。）

S6: Yes, it is. S5: Is that a ruler? （拿一块橡皮放在较远处后用手指着问。）

S6: No, it isn’t. It’s an eraser.

（拿出一幅苹果的实物图片，让学生练习关于“that”的对话。把图粘在较远的黑板拐角处。）

T: Boys and girls, look at this photo. Make a dialog about it and act it out, please. S5, S6, you two, please. S5: Excuse me. What’s that in English?

（指着画中的苹果问。）

S6: It’s an apple.

S5: How do you spell it? S6: A-double P-L-E, apple. S5: Thank you. S6: That’s OK.

3. （拿出准备好的小黑板，让学生口头朗读填空。）

T: Look at the small blackboard; complete the conversation and practice with your partner. （小黑板的板书设计如下：）

A: Excuse me, what’s this/ that English? B: pencil. A: ? B: , . A: Thank you. B: That’s . / You . 4. （练习a/an。擦去板书中的a/an，让学生再填一遍，加深对a/an的印象。）

T: Boys and girls. Look at the blackboard, please. I’ll clean up “a” and “an”, then complete the sentences by yourselves.

Step 5 Project 第五步 综合探究活动 （时间:5分钟）

1.（拿三件学习用品：a pen, a ruler, a book, 玩一个猜谜游戏。）

（教师先问。）

T: What’s this in English?

Ss: It’s a pen/ruler/book.

（学生熟悉了物品后，叫两位同学上讲台，一位同学蒙上眼睛，然后猜另一位同学展示的物品，猜对时，同学们给予掌声鼓励。此游戏可更换物品，让学生轮流做。）

S1: Is this a book? S2: No, it isn’t.

S1: Is this a pencil? S2: No, it isn’t.

S1: Is this a pen? S2: Yes, it is. Congratulations!

（如果一次猜中，也算获胜，掌声鼓励。）

2. Homework: （1）总结：在学过的名词中，哪些前面加a，哪些前面加an。

（2）参考1a，自编两则对话，写在作业本上。

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