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- Task four: Ss are asked to have further discussion on what the factors are that led to Brailles' success in inventing the system? What can they learn from his example? （這個(gè)任務(wù)是將討論引入了一個(gè)更高的層面：理想和現實(shí)。學(xué)生需要結合課文內容及更廣泛的語(yǔ)言來(lái)完成任務(wù)。最后的討論結果是開(kāi)放式的，延續到課后。）
