题目

—Why didn't you answer my phone at 7:30 last night?—Sorry, ______. A . I went out with my mom B . I fold my clothes in my bedroom C . I was taking a shower 答案:C冬天,在暖和的教室的玻璃窗上会“出汗”或结“冰花”。下列有关说法错误的是: A.玻璃窗上的“汗”是水蒸气液化生成的 B.玻璃窗上的“冰花”是水蒸气凝华生成的 C.“冰花”结在玻璃窗的内表面 D.“汗”出在玻璃窗的外表面
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