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当前学科：压缩机工
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非金属阀在使用中应注意什么？
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推荐知识点:
正当的个人理想，能不能在现实生活中实现，除了个人主观努力之外，最主要的，决定于现实社会的具体状况，决定于社会理想及其实现程度。
Sequoyah was a young Cherokee Indian．son of a white trader and an Indian Squaw(北美印第安女人)．At an early age，he became fascinated by“tile talking leaf”，an expression thathe used to describe the white man’s written records．Although many believe this"talking leaf”to be a gift from tile Great Spirit，Sequoyah refused to accept that theory．Like other Indians oftile period，he was illiterate，but his determination to remedy tile situation led to the inventionof a unique 86 character alphabet based on the sound patterns that he heard． His family and friends thought him mad，but while recuperating(恢复)from a huntingaccident．he diligently and independently set out to create a form of communication for his ownpeople as well as for other Indians．In l821，after twelve years of work，he had successfully de。veloped a written language that would enable thousands of Indians to read and write． Sequoyah’s desire to preserve words and events for later generation has caused him to be remembered among the important inventors．The giant redwood trees of-California，called“se-quoias(红杉)”in his honor，will further imprint his name in history． 根据以上内容，回答题。What is the most important reason that Sequoyah wiU be remeIll]bered?
测定石油产品水分所用的冷凝管是球形冷凝管。
下列选项中，既长于辟秽化浊开窍，又长于行气止痛的方剂的是（）.
患者男性，67岁。患胃癌4年，晚期，已失去手术治疗价值，生命垂危。家属再三恳求医师，希望能满足患者心理上的渴求，收他入院。医师出于人道，将他破格收入院。究竟该不该收治这个患者？从患者的权利分析，应该收治的理由是（）
间日疟原虫病原学诊断，采血时间应选在（）。
从事广告业的个体双定户（营改增纳税人）就广告业收入申请代开发票，应按以下（）方法征收税费。
聚居于人类肠道的正常菌群中，数量最多的是（）
测流体流量时，随流量增加孔板流量计两侧压差值将增加，若改用转子流量计，随流量增加转子两侧压差值将不变。
当旅游者违反合同给旅行社造成经济损失，产生旅游纠纷，旅行社可以到旅游行政管理部门进行投诉，要求赔偿。