Unit20《New Frontiers》ppt-北师大版高二下

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Unit20《New Frontiers》(Lesson 3)ppt-北师大版高二下

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Unit22《Environmental Protection》(Lesson 2)ppt-北师大版高二下

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Unit22《Environmental Protection》(Lesson 1)ppt-北师大版高二下

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Unit21《Human Biology》ppt-Communication Workshop(北师大版高二下)

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unit21《Human Biology》ppt考纲知识预览-北师大版高二下

考纲知识预览重点单词1． vi. 循环→ n. 循环；传播，发行量 2． vt. 消化→ n. 消化 3． vt. 容忍→ n. 忍受，忍耐...

Unit21《Human Biology》ppt-北师大版高二下

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Unit23《Conflict》(Lesson 3)ppt-北师大版高二下

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北师大版高二下Unit23《Conflict》(Lesson 3)ppt

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Unit23《Conflict》(Lesson 2)ppt-北师大版高二下

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