更多“在两种基本测试方法中，( )测试的原则之一是保证”相关的问题
发生“日食”是由于月亮挡在_____与_____之间。
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某投资项目原始投资为12000元，当年完工投产，有效期3年，每年可获得现金净流量4600元，则该项目内含报酬率为( )。(PVA7%，3=2.624，PVA8%，3=2.577)
A．7.32%
B．7.68%
C．8.32%
D．6.68%
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Car crashes are the leading cause of injury and death among U.S. children, and though most of us now think of car seats as standard baby equipment, about half of all children under the age of four who died in vehicle accidents last year were not restrained. It is calculated that only about two-thirds of children ages five to fifteen buckle their seat belts. Moreover, the traffic-safety agency estimates that even among parents who always strap their children in, 85% are not doing it properly. They often don’t know where best to place the kids, don’t use the proper restraint for their age and weight, or don’t install the safety seats properly. Despite the reports about front seats collapsing onto back seats when certain car models get in accidents, the safest place in the car for any child up to the age of 12 is still the back seat. Babies up to 9 kg and one year old should ride in rear-facing infant seats. Never place a child under age 12 in the front seat with a working passenger-side air bag. These devices are discharged at 320 km/h and can be triggered by low-speed fender benders. They have killed 77 kids in the U.S. since 1993. If you must place a child in front, make sure the passenger-side bag is switched off. Children over age one should ride in forward-facing safety seats with a five-point harness system. A child who weighs at least 18 kg or at least 1m high can graduate to a booster seat that elevates her so that the standard shoulder and lap belt fits properly.
[A] Forward-facing seats. [C] Front seats. [B] Rear-facing seats. [D] Back seats.
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在为乘客进行畅通卡充值时，应遵循“一收、二唱、三取、四验、五找”的原则，核对乘客
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中间涂层不具备下面那些功能（ ）
A．附着力、流平性B．交好的防腐性 C．平整、光滑、易打磨 D．填充性交好
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邓小平理论的形成条件包括()。 (4.0分)
A. 改革开放和现代化建设的实践是邓小平理论形成的现实依据 B. 和平与发展成为时代主题是邓小平理论形成的时代背景 C. 中国特色社会主义进入新时代 D. 社会主义建设的经验教训是邓小平理论形成的历史根据
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个人理财追求的目标是使客户在整个人生过程中合理分配财富，达到人生效用的最大化。
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（）主要以浮游动物为食。
A.草鱼 B.鳜鱼 C.鲤鱼 D.鳙鱼
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患者，男，72岁，支气管哮喘急性发作入院，由于呼吸极度困难采取端坐卧位，该患者采取的卧位属于______。
A.主动卧位
B.被动卧位
C.被迫卧位
D.习惯卧位
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消化道造影检查常用的造影剂是（）
A.碘化油
B.硫酸钡
C.胆影葡胺
D.泛影葡胺
E.气体
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患者皮内注射后发生局部组织反应的原因有（）。
A . 药物本身对机体的刺激
B . 违反无菌操作原则，使用已污染的注射器、针头
C . 推注药量过多
D . 皮内注射后，患者搔抓或揉按局部皮丘
E . 机体对药物敏感性高
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麻黄碱(Ephedrine)与肾上腺素(adrenaline)比较，具有下列特点()
A、兴奋α肾上腺素受体，对β受体无作用
B、可以口服给药
C、易产生耐受性
D、中枢神经系统兴奋作用明显
E、升压作用短暂
此题为多项选择题。
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E1%1cm（）
A.百分吸光系数
B.折光率
C.比旋度
D.相对比移值
E.比移值
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电讯通信包括电话、电报、传真等，其中电话占通信业务的（）以上。
A.70%
B.80%
C.90%
D.60%
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