更多“L-HM液压油按质量分为优等品和一等品。”相关的问题
\t配平反应式：MnO4-+Fe2++H+=Mn2++Fe3++H2O
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提出“悲剧是对一个完整而又有一定长度的行动的摹仿”的是（）。
A . A．柏拉图
B . B．贺拉斯
C . C．维吉尔
D . D．亚里斯多德
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下列各项中，属于静态预算法编制预算缺点的有______。
A．可比性差
B．透明度差
C．可能导致无效费用开支项目无法得到有效控制
D．适应性差
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临终病人最后消失的感觉为（）。
A.视觉 B.听觉 C.触觉 D.嗅觉 E.味觉
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化合物Ph—CH2—CH2—O—CO—CH3中的两个亚甲基属于何种自旋体系（）
A.A2X2 B.A2B2 C.AX3 D.AB
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“中国梦”承载着中华民族的理想和追求，成为中华儿女实现民族复兴的强大精神动力。这主要表明优秀文化能够（）
A.增强人的精神力量
B.丰富人的精神世界
C.促进人的全面发展
D.提高人的道德修养
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E5016（J506）焊条在较高空载电压下能使用交流焊机焊接，是因为焊条药皮中有（）。
A.萤石
B.钛白粉
C.石英砂
D.钾、钠等化合物
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如果一个企业经历规模报酬不变阶段,则LAC曲线是
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阅读下面的短文，文中有15处空白，每处空白给出了4个选项，请根据短文的内容从4个选项中选择1个最佳答案。 Transportation use a to Be Much Slower than It Is Now For many years in tile desert, camels used to be the only form of transportation. Before the (51) of modern trains, camel trains used to carry al! the goods for trading between Central Africa and Europe. Traders sometimes (52) to put together camel trains with 10,000 to 15,000 animals. Each animal often carried (53) 400 pounds and it could travel twenty miles a day. This form of transportation was so important (54) camels were called the "ship of the desert". Now modern trains travel across the desert in a very (55) time. One engine can pull as much weight as 135,000 (56) ,in addition, trains use special cars for their load. Refrigerator cars carry food; boxcars carry heavy goods; stock cars carry animals; and tank cars carry oil. (57) travel has changed, too. The earliest planes were biplanes, with two sets of wings. The top speed of this plane was 60 miles per hour. The pilots used to sit or lie on the wings in the open air. The plane (58) sometimes stopped in the middle of a trip. It used to be (59) to fly in bad weather. In snow or in rain, the wings frequently became icy. (60) the plane might go down. Mechanical improvements during the First World War changed airplanes. Monoplanes took the place of biplanes. Pilots flew inside of covered cabins. Still, even these planes were small and expensive. Only (61) people were able to travel in airplanes. Now modern jets make air travel possible for all people. (62) place in the world is more than 1 hours away by jet. Further improvements have (63) the cost of flying, and they have made air travel much safer than it used to be. A modern 707 can carry 170 people and can fly at 600 miles per hour. People (64) used to eat, sleep, or watch movies on airplanes. (65) these things are a normal part of air travel!
A．oughtB．addedC．usedD．led
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非法证据排除规则最早起源于（）
A.美国B.英国C.德国D.中国
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甲故意杀人案件中，公安机关在侦查过程中除了其他证据外，还收集到了下列材料，如果要认定甲
A．甲写给被害人的恐吓信B．甲在10年以前曾采用过与本案相同的手段实施过杀人行为(未遂，被判过刑)c．甲吃、喝、嫖、赌，道德品质败坏+D．甲的情妇证明，在本案的作案时间中，甲曾与她一起在某电影院看电影，电影的名字是《集结号》
B．甲在10年以前曾采用过与本案相同的手段实施过杀人行为(未遂，被判过刑)c．甲吃、喝、嫖、赌，道德品质败坏+D．甲的情妇证明，在本案的作案时间中，甲曾与她一起在某电影院看电影，电影的名字是《集结号》
c．甲吃、喝、嫖、赌，道德品质败坏+D．甲的情妇证明，在本案的作案时间中，甲曾与她一起在某电影院看电影，电影的名字是《集结号》
D．甲的情妇证明，在本案的作案时间中，甲曾与她一起在某电影院看电影，电影的名字是《集结号》
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关于我国著名的古都，下列说法不正确的是：
A.北京曾是金代的都城B.南京是历史上已知最早的都城C.隋唐时所说的“东都”指的是洛阳D.“直把杭州作汴州”中的“汴州”是指开封
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坐在轮椅上用餐时，请问餐桌台面距地面的高度应该是多少？（）
A、900MM
B、700MM
C、1000MM
D、800MM
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