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[单选题]剂油比对汽油辛烷值的影响( )
A.剂油比增加,辛烷值上升
B. 剂油比下降,辛烷值上升
C. 剂油比和辛烷值无关

热门试题:

[单项选择]
GETTING THE BALANCE RIGHT

Leaving work on time may not sound like much of a (0).... However, in an experiment by glass manufacturers Dartington Crystal, it (19) ... surprisingly difficult. Four managers, who all worked very long hours, took (20) ... in a simple experiment: they agreed to (21) ... to their set hours for a week, with no coming in early, leaving late or taking work home. The aim of the exercise was to (22) ... the balance between the managers’ work and home lives. It was a way to get everyone thinking about their working hours and how to (23) ... them,
Robin Ritchie, the company’s managing director, was very aware that his company was (24) ,.. on the experiment at its busiest time of the year. They were also just days away from a big product (25) .... So not surprisingly, perhaps, it soon became clear that it wasn’t going to be easy: even on the first day, director of design Simon Moore took home a design
A. constant
B. persisting
C. stable
D. lasting

[单选题]( )就是投影线通过物体,向选定的面投射,并在该面上得到图形的方法。
A.投影法
B.主视法
C.俯视法
D.后视法
[单项选择]能使胃蛋白酶原转变为胃蛋白酶的重要物质为()。
A. 肠激酶
B. 胰蛋白酶
C. 糜蛋白酶
D. 胃酸
E. 内因子
[单选题]直流母线发生负极接地时,其正极对地电压( )。
A.不变
B.升高
C.降低
D.先降后升
[单选题] 局部浸润麻醉选用普鲁卡因时其常用浓度为( )
A. 0.5%
B. 1%
C. 1.5%
D. 2%
E. 2.50%
[单项选择]某药品批发企业拟根据现行的《药品经营质量管理规范》申请药品GSP换证。该药品批发企业储存药品的相对湿度应为()。
A. 35%~65%
B. 35%~75%
C. 45%~65%
D. 45%~75%
[配伍题]寄生虫病可出现()|肺结核可出现()
A. 中性粒细胞增多
B. 淋巴细胞增多
C. 嗜酸性粒细胞增多
D. 单核细胞增多
E. 嗜碱性粒细胞增多
[多项选择]雾霾天气时应采取()措施预防
A. 不到人多拥挤空气不流通的场所
B. 不宜晨练
C. 驾驶人员注意交通安全,减速慢行
D. 多喝水饮汤,低脂肪、高蛋白、高维生素饮食
[多选题]《安徽农村商业银行系统信贷授权授信工作指导意见》规定,农商银行应根据各信贷业务职能部门、分支机构及其信贷人员的( )等情况,定期对相关人员进行考核,并根据考核情况及时调整授权。
A.A、经营管理业绩
B.、风险状况
C.、授权制度执行情况
D.、主要负责人任职
[判断题] 燃烧产物对灭火工作有利方面为:在一定条件下有阻燃作用;为火情侦察提供依据。( )
A.正确
B.错误
[单项选择]Paper was first made in the year 105A.D.(公元). It was made by a man named Ts’ai Lun. He lived in China.
For over 500 years paper was made only in China. People in Japan learned of paper around the year 600. As years went by, people in other places began to make paper.
The lead (铅) pencil is not made of lead. It is made of graphite (石墨). People found graphite in 1564. They thought it was a kind of lead. Today we still call pencils "lead pencils".
The first Wooden (木头) pencils were made by Kasper Faber. In 1761 he started making pencils in Germany (德国). Erasers (橡皮) like those we use today were first made in 1752. They were made in France by a man named Magellan. A man named Hyman L. Lipman first put erasers on the ends of pencils. And that is how the pencil came to be now.

What is true about pencils in this text
A. It is made of wood only.
B. It is made of graphite only.
C. It has erasers.
[多选题]5G采用差异化的寻呼策略,对于CM-IDLE用户,由()寻呼;对于CM-CONNECTED with RRC Inactive状态用户,由()寻呼
A.SMF
B.AMF
C.RAN
D.UPF
[判断题]煤气混合站和加压站的配送方式有三种:先混合后加压,先加压后混合,单独混合或者单独加压三种。( )
A.正确
B.错误
[判断题]妊娠12周末以前称早期妊娠,第24周及其后称晚期妊娠。
[单选题]依据《中国南方电网有限责任公司电力安全工作规程》,凡发现工作人员有饮酒、精神不振时,()登高作业。
A.可以进行
B.禁止
C.按照计划
D.视情况而定
[简答题]S005 电力变压器的基本试验项目有哪些?在运行中应做哪些测试?
[单项选择]下列哪一点是使用电话约见时要避免的?()
A. 专心专意
B. 坐姿正确
C. 简洁明了
D. 详谈细节
[简答题]简述《安徽省“十三五”信息化发展规划》的发展目标。
[单项选择]
{{B}} Text{{/B}}
Although "lie detectors" are widely used by governments, police departments and businesses, the results are not always accurate. Lie detectors are commonly {{U}} (26) {{/U}} as emotion detectors, for their aim is to {{U}} (27) {{/U}} bodily changes that contradict what a {{U}} (28) {{/U}} says. The lie detector records changes {{U}} (29) {{/U}} heart rate, breathing, blood pressure, and the electrical {{U}} (30) {{/U}} of the skin. In the first part of the {{U}} (31) {{/U}} you are electronically connected to the machine and {{U}} (32) {{/U}} a few neutral questions ("What is your name " etc. ). Your physical reactions serve {{U}} (33) {{/U}} the standard for evaluating what comes {{U}} (34) {{/U}} Then you are presented with a few {{U}} (35) {{/U}} questions among the n
A. other
B. all
C. any
D. some
[单项选择]教会学生做人属于()
A. 德育
B. 智育
C. 体育
D. 美育
[单项选择]在整体尺寸相同的情况下,换热管排管数量最多的换热器是()。
A. 固定管板式换热器
B. 浮头式换热器
C. U型管式换热器
D. 填料函式换热器
[名词解释]苯丙酮症
[判断题]消防水泵主要由叶轮、叶片、泵壳、泵轴、吸水管、'出水管等组成。( )
A.正确
B.错误
[单项选择]微波可分为哪几个波段
A. 厘米波
B. 分米波、厘米波
C. 厘米波、毫米波
D. 又称分米波
E. 分米波、厘米波、毫米波
[简答题]什么是国家基本药物制度?
[判断题] 624 题, 本小题 1 分
电流回路的流程,从端子排直接到装置背板。
A.正确
B.错误
[单项选择]刑事案件中的陪审团不会依据任何证人所作的未经证实的证词而做出决定。这是十分正确的,因为对任何人所作的未经证实的指控保留高度怀疑是比较明智的,但为了一致,陪审团应该结束那种通行的做法,即依据未经完全证实的招供而给被告定罪。
下面哪项,如果正确,最能支持上述论点?()
A. 当被告推翻其在审判前的坦白的时候,陪审团通常宣判其无罪。
B. 陪审员的选择过程被设计为选择在审判前那些认定被告有罪的人。
C. 当被告确实做了其被指控的罪行时,他们会全部坦白,并且相信原告掌握了足够的证据。
D. 那些容易受到暗示影响的人若被指控有罪,有时会对其过去的经历不太肯定以至于承认所加之罪名。
E. 许多人认为陪审团在被告完全坦白之前不应该对其定罪。
[单项选择]案例一:小顾和小时计划年底结婚,5年后买房,目前小顾税前月收入6000元,小时 为5000元,租房居住,二人已经储蓄8万元,其中5万元用于结婚各项开支,其余3万元作为购房基金的首期储蓄,开展基金投资,并且每月工资的25%(以税前收入为基础)作为基金定投,持续投入该基金,其基金组合的年收益率为8%。 假设他们买房时的银行贷款利率为6。3%,贷款期限为25年,不考虑他们的工资增长。 根据案例一回答71-74题: 如果按月计算,则小顾和小时的购房基金在买房时可以有( )元的积累。
A. 44695
B. 202061
C. 246757
D. 276554
[多选题]铁路路堤的构造自下至上一般为( )。
A.地基以下
B.地基
C.基床以下路堤
D.基床底层
E.基床表层
[单项选择]下列工具中,需求分析常用的工具是
A. PAD
B. PFD
C. N-S
D. DFD
[判断题]贷款迁移应根据会计部门出具的书面通知进行。( )
A.正确
B.错误
[判断题]防蜂服具有结构简便、穿着方便、行动自如的特点,能有效防护蜂类袭击,免受伤害。( )
A.正确
B.错误
[单项选择]发现传染病时按规定应首先做出哪种报告()
A. 诊断报告
B. 传染病报告
C. 转归报告
D. 订正报告
E. 归口报告
[单选题]工作地段所有由工作班自行装设的接地线拆除后,工作负责人应及时向相关工作许可人(含配合停电线路、设备许可人)报告()。
A.工作票结束
B.工作票终结
C.工作结束
D.工作终结
E.略
F.略
[单选题]生产经营单位的从业人员不服从管理,违反安全生产规章制度或者操作规程的,构成犯罪的,依照( )有关规定追究刑事责任 。
A.铁路法
B.铁路安全管理条例
C.刑法
[单选题]MRIT2加权像对识别MS何种改变有帮助:( )
A.局灶性癫痫活动
B.脱髓鞘
C.颅内压增加
D.急性炎症

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