問題詳情
2.實驗中, 必須保持不變的因素?
(A)杯子的材料
(B)杯子的水量
(C)杯子的大小
(D)杯子的水溫
(A)杯子的材料
(B)杯子的水量
(C)杯子的大小
(D)杯子的水溫
參考答案
答案:B,C,D
難度:計算中-1
書單:沒有書單,新增
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