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第三届环保知识竞赛初赛题库
2026-06-01
网络整理
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Key Point:题库A一般选择题1．妙用空调可节能。空调制冷时，室温调高（）℃，制热时，室温调低（）℃，均可省电10％以上。（A）A.1B.1C.11D..．.即使还在用普通冰箱，只要你坚持
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2026-06-01
网络整理佚名1320
