Unit 7 The Sea I.单元教学目标 技能目标Skill Goals ▲Read a brochure, an article, a short story and a report. ▲Listen to a conversation, a debate and a song ▲Talk about the sea, sea pollution, sea animals and take part in a conversation and a debate ▲Write notes and report ▲ Learn how to use comparative structures and relative clauses
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