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wo questions and choose one welfare problem for their ad campaign. 【設計說明】通過組織學生討論第一第二兩個問題,讓學生明確自己的主題,同 時在 體驗、討論、合作和探究中拓展能力。 Step 3 Preparing Ask students to discuss the remaining six questions to have a clear mind about the important parts of developing an ad campaign and decide which group member will be responsible for each ta