更多“其他条件相同时，海水温度越高则制冷装置（）”相关的问题
培养党的革命事业接班人的主要标准是（）。
A.革命化 B.年轻化 C.知识化 D.专业化
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以下符合保险电话行销人员行为准则的是（）。
A.同一个公司、不同的人先后给同一客户打电话，其中一人称自己是“正牌的”，其他是“冒牌的” B.某保险公司与银行联合推行“存款就送保险”的活动，凡在该银行存款就送一款长期保险产品 C.某保险公司进行电话行销时，对拒保客户进行备案记录，以避免“二次骚扰” D.某保险公司经常以客户中奖、公司回馈等方式进行电话销售
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会计档案销毁时，监销人员根据不同情况由相应的单位派出。对于一般企业、事业单位和组织，应当由( )共同派员监销。
A．同级审计部门
B．单位档案机构
C．单位会计机构
D．同级财政部门
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如果一台圆织机产出2400m布基，合格的有2180m，该圆织机的产品合格率大约为81%。
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建筑外门窗三性检测过程中，当试件安装完毕后，应将试件可开启部分开关5次，最后关紧。
A . 正确
B . 错误
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机械正确使用追求的高效率和经济性，可以建立在发生非正常损耗的基础上，否则就不是正确使用。（）
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检查测试ZPW-2000轨道电路的双套化引接线电流应不平衡。
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最合适描述定类变量分布的图形是（）
A.柱形图 B.直方图 C.曲线图 D.圆点图
A . 柱形图
B . 直方图C . 曲线图D . 圆点图
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《中国铁路上海局集团有限公司互联网售票管理办法》（上铁客〔2017〕477号）规定，12306.cn网站确认购票交易成功后，根据购票人提供的手机、电子邮箱将所购车票信息以短信、电子邮件的方式通知购票人（）
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糖精的甜度是蔗糖的300-500倍，其营养价值也比蔗糖高。
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冷媒在冷凝器中，因为压力低又不蒸发，而在蒸发器中，则由于压力高而容易蒸发。
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change their eating habits, because much of the food they eat，particularly processed food, is not good for the health. Consequently，there has been a growing interest in natural foods. Foods which do not contain chemical additives (添加 剂）and which have not been affected by chemical fertilizers，widely used in farming today.(79)Natural foods，for example，are vegetables，fruit and grain which have been grown in I soil that is rich in organic(有机的）matter. In simple terms, this means that the soil has been nourished by unused vegetable matter, which provides it with essential vitamins and minerals. This in itself is a natural process compared with the use of chemicals and fertilizers，the main purpose of which is to increase the amount—but not the quality—of foods grown in commercial farming areas.Natural foods also include animals which have been allowed to feed and move freely in healthy pastures(牧场）.Compare this with what happens in the mass production of poultry ： there are farms, for example，where thousands of chickens live crowded together in one building and are fed on food which is little better than rubbish. Chickens kept in this way are not only tasteless as food, they also lay eggs which lack important vitamins.There are other aspects of healthy eating which are now receiving increasing attention from ex perts on diet. Take, for example, the question of sugar. This is actually a non-essential food! Al though a natural alternative，such as honey，can be used to sweeten food if it is necessary，we canin fact do without it. It is not that sugar is harmful in itself. But it does seem to be addictive ： thequantity we use has grown steadily over the last two centuries and in Britain today each person con sumes an average of 200 pounds a year! Yet all it does is to provide us with energy, in the form of calories. There are no vitamins in it, no minerals and no fiber.(80)It is significant that nowadays fiber is considered to be an important part of a healthy di et. In white bread，for example, the fiber has been removed. But it is present in unrefined flour and of course in vegetables. It is interesting to note that in countries where the national diet con tains large quantities of unrefined flour and vegetables, certain diseases are comparatively rare. Hence the emphasis is placed on the eating of whole meal bread and more vegetables by modem ex perts on “healthy eating”. People have become more interested in natural foods because ________.A.they are more health consciousB.they want to taste all kinds of foodsC.natural foods are more delicious than processed foodsD.they want to return to nature
A.(79)NaturalB.NaturalC.CompareD.ThereE.(80)ItF.G.A.theyH.theyI.naturalJ.they
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如图，在三棱锥P-ABC中，PA⊥平面ABC，△ABC为正三角形，D、E分别为BC、AC的中点，且AB=PA=2．证明：平面PBE⊥平面PAC；
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以下哪种不属于容积型空压机分类（）。
A.滑片式
B.螺杆式
C.活塞式
D.轴流式
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