更多“抢救时应遵循（）原则。”相关的问题
根据遗传物质DNA遭受结构改变的情况可将突变分为：（）、（）和（）。
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男孩,3岁。乏力1周。查体:胸骨左缘第3~4肋间闻及4/6级吹风样收缩期杂音,肺动脉瓣区第二心音亢进,心尖部闻及短促舒张期杂音。胸部X线片:双肺充血,左、右心室均大,以左心室为著,肺动脉段突出,主动脉结偏小。最可能的诊断是
A . 室间隔缺损合并动脉导管未闭B . 动脉导管未闭C . 室间隔缺损D . 房间隔缺损E . 房间隔缺损合并动脉导管未闭
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怎样理解农民价值观念的二重性？农民价值观念更新的意义是什么？
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1926年，中华医学会制定了____，全文共2339字，其中涉及中国医生和外国护上之间的关系。
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黄体酮（）
A．麻黄碱
B．氨茶碱
C．色甘酸钠
D．克仑特罗
E．丙酸倍氯米松
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磺胺类药物结构中多含有芳香第一胺,故可利用其进行鉴别的反应有
A. 重氮化-偶合反应 B. 成铜盐反应 C. 与芳醛缩合反应 D. 硫色素反应 E. 二氯靛酚钠反应
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水泵接合器应设置在便于消防车使用的地点，并不妨碍交通。
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砂浆抗渗试验时，应从0.2MPa水压开始加压，恒压2h后增至0.3MPa，以后每隔1h增加0.1MPa。
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脊椎压痛叩击痛不常见于（ ）
A.脊椎结核 B.棘间韧带损伤 C.椎间盘脱出 D.脊柱畸形 E.脊椎骨折
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生产设备上的运动部位要加润滑油（脂），加注润滑油脂时要（）。
A . A、定时不定量
B . B、定量定时
C . C、定量不定时
D . D、不定时不定量
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使用自动创建数据访问页功能创建数据访问页时，Access会在当前文件夹下，自动保右创建的数据访问页，其格式为( )。
A．HTMLB．文本C．数据库D．Web
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Egypt Felled by FamineEven ancient Egypts mighty pyramid builders were powerless in the face of the famine that helped bring down their civilian around 2180 BC.Now evidence gleaned from mud deposited by the River Nile suggests that a shift in climate thousands of kilometers to the south was ultimately to blem and the same or worse could happen today.The ancient Egyptians depended on the Nile's annual floods to irrigate their crops. But any change in climate that pushed the African monsoons southwards out of Ethiopia would have diminished these floods.Dwindling rains in the Ethiopian highlands would have meant fewer plants to stablise the soil. When rain did fall it would have washed large amounts of soil into the Blue Nile and into Egypt, along with sediment from the White Nile.The Blue Nile mud has a different isotope signature from that of the White Nile. So by analyzing isotope differences in mud deposited in the Nile Delta, Michael Krom of Leeds University worked out what proportion of sediment came from each branch of the river.Krom reasons that during periods of drought, the amount of the Blue Nile mud in the river would be relatively high. He found that one of these periods, from 4,500 to 4,200 years ago, immediately predates the fall of the Egypt's Old Kingdom.The weakened waters would have been Catastrophic for the Egyptians. 'Changes that affect food supply don't have to be very large to have a ripple effect in societies', says Bill Ryan of the Lamont Doherty Earth Observatory in New York.Similar events today could be even more devastating, says team member Daniel Stanley, a geoarchaeologist from the Smithsonian Institution in Washington,D.C:' Anything humans do to shift the climate belts would have an even worse effect along the Nile system because the populations have increased dramaticallyWhy does the author mention 'pyramid builders'?A．Because they once worked miracles.B．Because they were well-built.C．Because they were actually very weak.D．Because even they were unable to rescue their civilization.
A.NowB.TheC.DwindlingD.TheE.KromF.TheG.SimilarH.C:'I.BecauseJ.B．BecauseK.C．BecauseL.D．Because
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部署瓦联网协议安全虚拟专用网（Internet Protocol Security Virtual Private Notwork，IPsecVPN） 时，以下说法正确的是（）
A.配置MD5安全算法可以提供可靠地数据加密
B.配置AES算法可以提供可靠的数据完整性验证
C.部署IPsec VPN网络时，需要考虑IP地址的规划，尽量在分支节点使用可以聚合的IP地址段，来减少IPsec安全关联（Security Authentication，SA）资源的消耗
D.报文验证头协议（AuthenticationHeadr，AH）可以提供数据机密性
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