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unit 5 Section 2a-2d:12张PPT，3个音频，无视频
Chopsticks are made of ______
Forks are made of ___________
Blouses are made of ________
Baskets are made of ________
Bowls are made of ________
Coins are made of ________
2a Listen and check(√) the main topic of Nick and Marcus’ conversation.
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压缩包内容：
unit 5 Section A 2a-2d
U0503 2a.mp3
U0504 2b.mp3
U0505 2d.mp3
unit 5 Section 2a-2d.ppt
