答案： 以下为录音： Unit 3 Is this your pencil? Period 1 AListen and judge 1 This is a schoolbag. 2 This isn’t a crayon. 3 That isn’t a pencil. 4 That’s my pen. BListen and number 1 W: Is that your crayon? B: No, it isn’t. 2 G: This isn’t my pencil case. 3 G: Is this your pencil? B: No, it isn’t. 4 B: Is this your ruler, Su Hai? G: Yes, it is. Period 2 BListen and circle 1 This is a ruler. 2 Look at my schoolbag. 3 Open the window, please. 4 Sit down, boy. 5 B1: Is that your toy car? B2: Yes, it is. 6 G: Look! This is my cake. CListen and match 1 G: Is this your robot, Mike? B: Yes, it is. 2 G: That isn’t my skirt. That’s Yang Ling’s skirt. 3 G1: Helen, is this your doll? G2: Yes, it is. 4 W: Wang Bing, is

答案： 以下为录音： Unit 3 Is this your pencil? Period 1 AListen and judge 1 This is a schoolbag. 2 This isn’t a crayon. 3 That isn’t a pencil. 4 That’s my pen. BListen and number 1 W: Is that your crayon? B: No, it isn’t. 2 G: This isn’t my pencil case. 3 G: Is this your pencil? B: No, it isn’t. 4 B: Is this your ruler, Su Hai? G: Yes, it is. Period 2 BListen and circle 1 This is a ruler. 2 Look at my schoolbag. 3 Open the window, please. 4 Sit down, boy. 5 B1: Is that your toy car? B2: Yes, it is. 6 G: Look! This is my cake. CListen and match 1 G: Is this your robot, Mike? B: Yes, it is. 2 G: That isn’t my skirt. That’s Yang Ling’s skirt. 3 G1: Helen, is this your doll? G2: Yes, it is. 4 W: Wang Bing, is