2B Unit2 At the zoo

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课件，总共16 张幻灯片。有音频和视频材料。
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压缩包内容：
2b unit 2\2.mp3
2b unit 2\Season’s song.swf
2b unit 2\演示文稿1.ppt
2b unit 2\老虎叫声.mp3
2b unit 2\转盘0011.swf
......