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[问答题] 何谓燃烧?燃烧要具备哪些条件?

蛋白酶水解时() ["一级结构破坏","二级结构破坏","三级结构破坏","四级结构破坏","空间结构破坏"] 肝脏门管区含() ["A.小叶间动脉","B.小叶间静脉","C.小叶间胆管","D.淋巴管和神经纤维","E.以上均有"] 水位表和锅筒的汽水连通管内径不得()∮18mm。 ["小于","大于","等于","接近"] 患者女性,49岁。颈肩痛5年余,出现四肢麻木,无力半年,行走时步态不稳,查体见双手尺侧以下皮肤感觉减退,双下肢肌张力增高,肌力Ⅲ~Ⅳ级,X线片见颈椎骨质明显退行性改变,其诊断可能为() ["颈椎增生","神经根型颈椎病","脊髓型颈椎病","交感神经型颈椎病","椎管内肿瘤"] 下列微生物何种不具有细胞壁结构() ["军团菌","支原体","衣原体","分枝杆菌","螺旋体"] 何谓燃烧?燃烧要具备哪些条件?
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