Unit 3　Is this your pencil?A　Listen and number录音文字稿：1. —Good morning，Miss Zhang. This is my schoolbag.—Thank you.2. —Hello，Miss Zhang. This is my pencil case.—It's nice.3. —Good morning，Miss Zhang. This is my pencil.—It's great!4. —Hello，Miss Zhang. This is my ruler.—It's good.5. —Good morning，Miss Zhang. This is my rubber.—Great!6. —Hello，Miss Zhang. This is my pen.—How nice!参考答案：a. 1　b. 4　c. 6　d. 2　e. 3　f. 5 B　Listen and judge录音文字稿：1. —Is this your ruler?—Yes，it is.2. —Is that your crayon?—No，it isn't.3. —Is this your schoolbag?—No，it isn't.4. —Is that your jacket?—Yes，it is.5. —Is that your T-shirt?—No，it isn't.6. —Is this your pencil case?—Yes，it is.参考答案： C　Look and say参考答案：1. —Is this your pencil case，Liu Tao?—Yes，it is. Thank you.2. —Is

Unit 3　Is this your pencil?A　Listen and number录音文字稿：1. —Good morning，Miss Zhang. This is my schoolbag.—Thank you.2. —Hello，Miss Zhang. This is my pencil case.—It's nice.3. —Good morning，Miss Zhang. This is my pencil.—It's great!4. —Hello，Miss Zhang. This is my ruler.—It's good.5. —Good morning，Miss Zhang. This is my rubber.—Great!6. —Hello，Miss Zhang. This is my pen.—How nice!参考答案：a. 1　b. 4　c. 6　d. 2　e. 3　f. 5 B　Listen and judge录音文字稿：1. —Is this your ruler?—Yes，it is.2. —Is that your crayon?—No，it isn't.3. —Is this your schoolbag?—No，it isn't.4. —Is that your jacket?—Yes，it is.5. —Is that your T-shirt?—No，it isn't.6. —Is this your pencil case?—Yes，it is.参考答案： C　Look and say参考答案：1. —Is this your pencil case，Liu Tao?—Yes，it is. Thank you.2. —Is