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【多选题】
在焊接环境中可能存在的影响人体健康的物理有害因素有()。A.
电焊弧光
B.
高频电磁波
C.
热辐射
D.
噪声
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【简答题】阅读理解 I grew up in a house where the TV was seldom turned on and with one wall in my bedroom entirely lined with bookshelves, most of my childhood was spent on books I could get hold of.In fact, I gr...
【简答题】I grew up in a house where the TV was seldom turned on and with one wall in my bedroom entirely lined with bookshelves, most of my childhood was spent on books I could get hold of. In fact, I grew up ...
【简答题】阅读理解 I grew up in a house where the TV was seldom turned on and with one wall in my bedroom entirely lined with bookshelves, most of my childhood was spent on books I could get hold of.In fact, I gr...
【多选题】垄断资本主义的基本经济特征
A.
垄断组织在经济生活中起决定作用
B.
在金融资本的基础上形成金融寡头
C.
从经济上瓜分世界的国际垄断同盟已经形成
D.
最大资本主义列强已把世界上的领土分割完毕
【单选题】病人,女性,14岁。左小腿上段肿胀疼痛4个月,近1个月来肿胀增长较快,夜间痛明显,体查:左腔骨上端肿胀严重,压痛明显,浅静脉怒张,们及一6cm×8cm硬性肿块,固定,边界不清。X线片示左腔骨上端呈虫蚀状溶骨性破坏,骨膜反应明显,可见Codman三角。最可能的诊断是
A.
左腔骨慢性骨髓炎
B.
左胫骨干骨结核
C.
左胫骨骨肉瘤
D.
左胫骨骨巨细胞瘤恶变
E.
左腓骨骨软骨瘤恶变
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