更多“西餐第一道菜是（）。”相关的问题
我国新型城市卫生服务体系的基础环节是____。
A．医院
B．预防机构
C．保健机构
D．社区卫生服务机构
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安全带静载荷试验，试验荷重为（），试验时间为（）分钟。
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下列属于天然雌激素的是（）
A.己烷雌酚 B.二甲基己烯雌酚 C.雌二醇 D.乙炔基雌二醇
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A . 内毒素B . 荚膜C . 外毒素D . 凝固酶E . 溶血素
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感染肝炎病毒后病情变化过程有（）
A.急性病毒性肝炎
B.慢性活动性肝炎
C.肝硬化
D.肝癌
E.上述全部过程
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全液压挖掘机每周应对柴油机进行保养，液压部分可以不用保养。
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国家监察体制改革试点取得实效,是近年来我国政治体制改革取得的重大突破。()
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凡是以绿色植物做肥料的均称为绿肥，一般以豆科植物作绿肥较多。
A . 正确
B . 错误
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（）关于三国以下何句正确？
A.王忠被张飞所擒
B.刘岱被关羽所擒
C.王忠是被张飞半夜劫寨所擒
D.刘备不让张飞先出战，是怕张飞把王忠给杀了
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在一个已知点和待定点设站，利用观测的两个水平角从而确定待定点坐标的方法是（）。
A.测角前方交会
B.测角后方交会
C.测角侧方交会
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为了照顾纳税人的某些特殊困难，经省、自治区、直辖市国家税务局、地方税务局批准，可以延期缴纳税款，但是最长不得超过（）个月。
A . A、3
B . B、6
C . C、9
D . D、12
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倒车防撞报警系统中的超声波传感器通常安装在（）。
A．后保险杠
B．前保险杠
C．行李箱
D．方向盘
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在A/D转换过程中，有（）、（）、（）三个步骤。有一个0～4MHZ的信号。它的抽样频率应不小于8MHz（信号频率的2倍以上）。
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Volcanoes Geologists have been studying volcanoes for a long time. Though they have learned a great deal, they still have not discovered the causes of volcanic action. They know that the inside of the earth is very hot, but they are not sure exactly what causes the great heat. Some geologists have thought that the heat is caused by the great pressure of the earth's outer layers. Or the heat may be left from the time when the earth was formed. During the last sixty years scientists have learned about radium, uranium, thorium, and other radioactive elements. These give out heat all the time as the heat inside the earth is produced by radioactive elements. Whatever the cause of the heat may be, we do know that the earth gets hotter the farther down we dig. In deep mines and oil wells the temperature rises about 1oF. for each 50 feet. At this rate the temperature 40 miles below the earth's surface would be over 4,000oF. This is much hotter than necessary to melt rock. However, the pressure of the rock above keeps most materials from melting at their usual melting points. Geologists believe that the rock deep in the earth may be plastic, or puttylike. In other words, the rock yields slowly to pressure but is not liquid. But if some change in the earth's crust releases the pressure, the rock melts. Then the hot, liquid rock can move up toward the surface. When the melted rock works its way close to the earth's crust, a volcano may be formed. The melted rock often contains steam and other gases under great pressure. If the rock above gives way, the pressure is released. Then the sudden expansion of the gases causes explosions. These blow the melted rock into pieces of different sizes and shoot them high in the air. Here they cool and harden into volcanic ash and cinders. Some of the material falls around the hole made in the earth's surface. The melted rock may keep on rising and pour out as lava. In this way, volcanic ash, cinders, and lava build up the cone-shaped mountains that we call volcanoes.The subject of this passage is the _____________.A．interior of the earthB．results of volcanic actionC．work of geologistsD．formation of volcanoes
A.B.C.TheD.A．interiorE.resultsF.workG.formation
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贵州建省的主要原因是（）？
A . 经济发达
B . 战略地位重要
C . 人口众多
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