在車上，教大家用但保特瓶裝的水，盡量少喝希望大家能自備一個保溫杯(A) 保溫杯的塑膠杯蓋主要是防堵熱的傳導(B) 保溫杯夾層中間抽成真空(C) 保溫杯夾層面鍍銀可防止熱的輻射(D) 保溫杯可防

問題詳情

15. 在車上，教大家用但保特瓶裝的水，盡量少喝希望大家能自備一個保溫杯
(A) 保溫杯的塑膠杯蓋主要是防堵熱的傳導
(B) 保溫杯夾層中間抽成真空
(C) 保溫杯夾層面鍍銀可防止熱的輻射
(D) 保溫杯可防止熱量流失

參考答案

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