5ダイジェスト版題材について簡潔に導入するための質問で、レッスン最後（Scene 4: Writing）の題目とも繋がりをもたせています。 Get ReadyObjective7319Scene 3: Speaking, Scene 4: Writingの活動をゴールに、どのレッスンでも内容理解をします。What are common sources of protein? Give some examples.Gather information about various protein sources and express your opinion about what is the best protein source for the future. (→ Scene 3: Speaking, Scene 4: Writing)
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