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【单选题】
你知道风、雨、雷电等天气现象发生在空中哪一层吗？（）A.
对流层
B.
大气层
C.
平流层
D.
辐射层
拍照语音搜题，微信中搜索"皮皮学"使用
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皮皮学刷刷变学霸
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A.
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B.
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C.
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D.
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