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判斷題

An exercise with heterogeneity can also have a positive effect on learner attitude and motivation. It provides an opportunity for the teacher to give slower or less confident students the approval and encouragement they need.（）

答案：正確

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An exercise with heterogeneity gives no opportunity for the really advanced students to exercise their capacity.（）

答案：錯(cuò)誤

Verbal presentation of new words means that the meaning of a second language word is demonstrated through concrete objects, visual aids, or through mime and acting.（）

答案：錯(cuò)誤