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局麻药分子结构主要由三部分组成,下述哪一项正确()
在地形特别困难的条件下,会让站、越行站可设在不大于()的坡道上,且不应连续设置,并保证列车的起动。
中国的传统文化中,“老”是一个褒义的字眼。一个年轻人处事得当,会被说老练、老成。但是进入互联网特别是移动互联网时代,这沿袭了数千年的观念,短短数年______。年龄大、资历老逐渐不再是一种优势,有时反而成了学习新事物的一种______。依次填入画横线部分最恰当的一项是( )。
时段单位线
无筋扩展基础与扩展基础有什么区别?如何进行无筋扩展基础设计?
艾滋病应当采取甲类传染病的预防、控制措施。
急性肺脓肿最具特征的症状是()
患者,女,25岁。孕38周,胎膜早破行缩宫素静点引产,胎心140次/分,宫缩40~50秒/2~3分,此时OCT试验出现变异减速,引起胎儿电子监测变化的主要原因是()
腰椎管狭窄症典型的临床症状是腿痛。
角膜热烧伤的治疗原则是( )。
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Mr.Jones was tired , he will()over his duty of look out to another sailor.
Mr.Jones was tired,he will()over his duty of look out to another sailor.
He was so tired that he could not walk home any longer.→ He was ____ tired ____ ...
You look() What()you()?
You look() What()you()?
()he was tired he went on working.
()he was tired he went on working.
They were all very tired, but()of them would stop to take a rest.
I thought you might be tired, () is why I decided to help you.
I thought you might be tired, () is why I decided to help you.