患者男，42岁。因"大量饮酒后出现上腹痛，伴恶心、呕吐10小时"诊断为急性重症胰腺炎收入消化科。入院1天后出现进行性加重的呼吸困难转入外科重症监护室。患者表现为焦虑、气促、口唇发绀。储氧面罩吸氧，氧流量10L/min。体格检查：T38℃，P131次／分，BP138/69mmHg。动脉血气分析提示：pH7.35，PaO260mmHg，PaCO235mmHg。胸部X线片心影无扩大，呈双肺斑片状改变。肺部听诊双肺呼吸音清。
本患者的血pH应维持在下列哪个范围内为佳（）。| {{B}}
Generation Gap{{/B}} A few years ago, it was fashionable to speak of a generation gap, a division between young people and their elders. Parents complained that children did not show them proper respect and obedience, while children complained that their parents did not understand them at all. What had gone wrong Why had the generation gap suddenly appeared Actually, the generation gap has been around for a long time. Many critics argue that it is built into the fabric of our society. One important cause of the generation gap is the opportunity that young people have to choose their own life styles. In more traditional societies, when children grow up, they are expected to live in the same area as their parents, to marry people that their parents know and approve of, and oft A. Parents should be more tolerable towards their children. B. The young generation should value the older generation for their wisdom. C. The generation gap is partly created by the older generation. D. The generation gap should be avoidable in American society. [单选题]带电作业中所遇到的电场几乎都是(____)。
A.均匀电场$ B.$稍不均匀电场$ C.$对称分布的极不均匀电场$ D.$不对称分布的极不均匀电场 [多项选择]330MW机组冷态冲转前的参数为（）。
A. 主蒸汽3.45MPa/300℃； B. 主蒸汽3.45MPa/250℃； C. 再热蒸汽0.486MPa/237℃； D. 再热蒸汽0.686MPa/237℃。 [单项选择]鼎汉电源屏PZG系列直流屏上部门板后面的I/II路优先供电选择开关，首先要抓住操作杆向外轻轻拔出后，向上为（）
A. I路优先 B. II路优先 C. I/II路优先 D. 短路切除保护 [单项选择]Rats that eat high levels of a natural sugar known as fructose (果糖) seem to age faster than other rats-and the same could be true for people who eat too much sweet (67) food, Israeli researchers said.
Fructose, found (68) in honey and fruit, is used widely in foods (69) from soft drinks to yogurt. But (70) its sweet taste is popular, the sugar could cause wrinkles and health problems, the researchers said. Dr. Moshe Werman and Boaz Levi of the Technion-Israel Institute of Technology (71) large amounts of fructose to laboratory rats. Writing in the Journal of Nutrition, they said the fructose-fed rats showed changes (72) the collagen (胶原质) of their skin and bones. Collagen, a fibrous protein found in connective tissue, bone and cartilage (软骨), basically holds the body together. The (73) of collagen is what causes sagging (松弛) and deep wrinkles in older people. The process affected, A. mass B. loss C. collapse D. eclipse [单项选择]在行政诉讼中，被告在一审中未提供作出具体行政行为的证据，而被人民法院判决撤销其具体行政行为，被告不服上诉二审时，提供作出具体行政行为的证据的，二审法院应该（）。
A. 二审法院可以采纳被告提供的证据，并据其作出判决 B. 二审法院不能采纳被告提供的证据，但可以自己收集证据 C. 二审法院不能采纳被告提供的证据，应维持一审判决 D. 二审法院可以采纳被告提供的证据，撤销一审判决 [单选题]68. It’s no use _____ me not to worry.
A.you tell B.your telling C.for you to have told D.having told [判断题]上下梯子时，必须背向梯子。 ( )
A.正确 B.错误 [多项选择]当一张软盘写保护之后，对盘中文件可以进行的操作包括( )。
A. 复制文件 B. 移动文件 C. 打开文件 D. 删除文件 我来回答: 提交
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