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Sustainable Development of
Agriculture Sustainable development is applied to just about everything from energy to clean water and economic growth, and as a result it has become difficult to question either the basic assumptions behind it or the way the concept is put to use. This is especially true in agriculture, where sustainable development is often taken as the sole measure of progress without a proper appreciation of historical and cultural perspectives. To start with, it is important to remember that the nature of agriculture has changed markedly throughout history, and will continue to do so. Medieval agriculture in northern Europe fed, clothed and sheltered a predominantly rural society with a much lower population density than it is today. It had minimal effect on biodiversi A. By its productivity. B. By its sustainability. C. By its impact on the environment. D. By its contribution to economic growth. [单选题]动车组以外的旅客列车编组顺序表在始发站交接时，由( )按列车编组顺序表核对现车，无误后，与司机办理交接。
A.车站人员 B.列捡人员 C.列车长 [单项选择]A320燃油系统属于哪一个章节？（）
A. 26 B. 27 C. 28 D. 29 [单选题]38.因热轴故障区间内停车的列车，有车辆乘务员的由车辆乘务员确认，没有车辆乘务员的由（）确认。
A.车站值班员 B.列检值班员 C.车站调车员 D.机车乘务员 [判断题]跨越架架体正面必须装斜撑,侧面可不用装斜撑。( )
A.正确 B.错误 [单项选择]GB/T 19000( )ISO 9000系列标准。
A. 等同 B. 相当 C. 代替 D. 升级为 [单项选择]关于手术区的消毒和铺巾，哪种说法是不正确（）
A. 消毒应从中心开始，逐步向四周环绕涂布，感染创口相反 B. 与口腔相通的手术及多个手术可一并消毒 C. 孔巾铺置法适用于门诊小手术 D. 三角形铺巾法适用于口腔、鼻、唇及颊部手术 E. 四边形铺巾法适用于腮腺区、颌下区、面部及涉及多部位的大型手术 [单选题]下列有关京杭大运河的说法错误的是：
A.隋唐大运河运输最多的商品是茶叶和盐 B.“南水北调”的东线工程借助了京杭大运河 C.明清大运河与隋唐大运河相比，不再经过洛阳 D.是世界上开凿最早、长度最长的一条人工运河 [多选题]“人们自己创造自己的历史”。这一命题表明 ()
A.人是社会的主体 B.历史是由追求着自己的目的人的活动构成的 C.历史发展方向是由人自觉选定的 D.历史规律实现于人的自觉活动之中 [单选题]对于新招用的从业人员上岗前接受安全生产教育和培训的时间不得少于（ ）学时。
A.A、30 B.B、34 C.C、18 D. D、24 [判断题]当钻杆相对于胶芯上下活动时,或是封井起下钻具时,属于动密封工况,此时关井液控油压可适当降低。
A.正确 B.错误 [判断题]社会渠道服务不规范属于B类违规行为
A.正确 B.错误 我来回答: 提交
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