The other's portrayal of Muir's life is a testimony to what it means to be lifelong learners and to use that learning to inform and bring about change
出自-2013年6月听力原文
Second, provide learners with opportunities to explain and elaborate on what they're doing
出自-2013年12月阅读原文
Third, give learners the chance to compare and contrast good and bad solutions to the problems.
出自-2013年12月阅读原文