对电梯等设备的运转情况、楼梯及积水积雪情况和警示标志认真检查，发现问题及时处理。当电梯出现异常时，等维修人员到达后应立即停止电梯的使用。
1、正确错误
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Onnoaccount____everleavethebabyathomealone.
Whatactually__________agoodangle—oragoodselfieoverall—isrootedinwhatweconsiderbeautiful.
Shehiredalawyertoinvestigate,onlytolearnthatGabrielhadremovedhernamefromthedeed.Theinfinitiveverbphrase“onlytolearn”isused____.
Everymeans____triedoutbutneverwithsuccess,asfarasmyknowledgegoes.
Nowhereinnatureisaluminumfoundfree,owingtoitsalways____withotherelements,mostcommonlywithoxygen.
