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题目详情:

[判断题]在装配平键时,应与轴键槽两侧有一定的过盈,否则旋转时会产生松动现象,降低轴和键槽的使用寿命及工作的平稳性。

热门试题:

[单项选择]
Directions:
There are ten blanks in the following passage. For each numbered blank, there are four choices marked A, B, C and D. Choose the best one and mark your answer on the ANSWER SHEET with a single line through the center.
Certainly, the most popular method of traveling used by Americans is the privately-owned automobile. The vast majority of Americans have a car, and many families have two. (31) during your visit to the United States, you may decide to rent a car to travel outside the city or to travel to other parts of the country.
Car rental companies are (32) in the telephone book and are located in most cities and towns. (33) , there are usually rental cars at airports and train and bus stations. As is true everywhere in the world, you can rent a car (34)
A. amount
B. number
C. quantity
D. quality
[判断题]谢某使用针管注射毒品被查获注射针管,应当予以收缴。
A.正确
B.错误
[判断题]影响服务质量的因素较多,一般把众多原因归结为4M1E因素。()
[判断题]当需要电动机反转时,只需要把定子三项电源的任意两相对调即可实现( )。
A.正确
B.错误
[多选题]企业利用货币期权进行套期保值,其优点是( )。
A.可以规避外汇汇率波动风险,但不能完全规避
B.可以完全规避外汇汇率波动风险
C.保留了获得机会收益的权利
D.企业的成本控制更加方便
[多选题]下列关于罪名的认定错误的是()。
A.甲所购的某名牌轿车行驶不久发动机就发生故障,经多次修理仍未排除。甲用牛车拉着该轿车在闹市区展示。甲构成损害商品声誉罪
B.广告商乙在拍摄某减肥药广告时,以肥胖的郭某当替身拍摄减肥前的画面,再以苗条的影视明星刘某作代言人夸赞减肥效果。事后查明,该药具有一定的减肥作用。乙构成虚假广告罪
C.丙按照所在企业安排研发出某关键技术,但其违反保密协议将该技术有偿提供给其他厂家使用,获利400万元。丙构成侵犯商业秘密罪
D.章某因房地产开发急需资金,以高息向丁借款500万元,且按期归还本息。丁尝到甜头后,多次从银行贷款发放高利贷,非法获利数百万元。丁构成非法经营罪
[单选题]关于输卵管的描述,哪项是错误的?
A. 是输送卵子的肌性管道
B. 内侧开口于子宫体腔
C. 外侧开口于腹膜腔
D. 壶腹部是输卵管结扎术首选部位
E. 位于子宫阔韧带上缘
[多项选择]经济增长与经济发展的关系有( )。
A. 经济发展包含经济增长
B. 经济增长包含经济发展
C. 经济增长是经济发展的前提
D. 经济发展是经济增长的前提
E. 经济发展是经济增长的原因
[单选题][618]250-350km/h线路长波高低动态检查Ⅱ级标准为( )mm
A.A、A.6
B.B、B.7
C.C、C.8
D.D、D.9
[单项选择]味连药材呈簇状分枝,俗称()
A. 松泡
B. 鸡爪形
C. 拌衣
D. 青皮白口
E. 花白点
[多选题]在主站系统中以下()事件会产生事件记录。
A.遥测越限与复归
B.主站设备停/复役
C.通道中断
D.遥控操作
[单项选择]

Passage 1
In addition to redistributing incomes, inflation may affect the total real income and production of the community. An increase in prices is usually associated with high employment. In moderate inflation, industries are operating efficiently and output is near capacity. There is a great deal of private investment and jobs are plentiful. Such has been the historical pattern. Thus many business persons and union leaders, in evaluating a little deflation and a little inflation, consider the latter to be the lesser of two evils. In mild inflation, the losses to fixed-income groups are usually less than gains to the rest of the community. Even worker with relatively fixed wages are often better off because of improved employment opportunities and greater take-home pay, a rise in interest rates on new securities may partly compensate for any losses to creditor, and increases in pension benefits may partly make losses to retirees.
In deflation, on the oth
A. there will be more production and employment
B. private investment will be moderate and people's income influenced
C. the bad effects of the two evils will be associated with each other
D. industrial revolution made men and women more equal

[简答题]教师劳动的创造性表现在哪些方面?
[单选题]工作地点有可能误登、误碰的邻近带电设备,应根据设备运行环境悬挂( )等标示牌。
A.“禁止攀登,高压危险!”
B.“在此工作!”
C.“止步,高压危险!”
D.“当心触电!”
[单项选择]丹参的药用部位是
A. 根
B. 根茎
C. 块茎
D. 根及根茎
E. 鳞茎
[单项选择]5个月的婴儿由于呼吸困难半天来院急诊。平时体健,3天前突然流涕,轻咳,今晨发热,呼吸急促。查体:体温37.8℃,急性病容,喘息,唇周青紫,呼吸80次/分,脉搏150次/分,两肺呼气延长,闻及干性啰音。对于指导治疗最首要的检查是()
A. 鼻咽分泌物脱落细胞检测
B. 全血细胞计数
C. 动脉血气分析
D. 胸部X线透视
E. 特异性抗体检测
[单选题]硅钢部A、B、C类违章分类规定,观察带钢缺陷时站在卸卷小车轨道上,属于( )类违章。
A.A
B.B
C.C
[判断题]“矿级领导下井带班的三必清”(当班任务清楚、入井人数清楚、工作面情况清楚)。
[单选题]王某,女性,50岁,诊断为肝病变并门静脉高压,行门腔分流术,术后1~2天内的体位应为
A.高半卧位
B.半卧位
C.低半卧位
D.不受限制
E.平卧位
[单选题]木质脚手架立杆和斜杆(包括斜撑、抛撑、剪刀撑等)的小头直径一般不小于( )。
A.A.50mm
B.B.60mm
C.C.70mm
D.D.90mm
E. 
[单项选择]下列哪一选项体现了宪法序言是国家总纲领的思想?()
A. 宣告该国民主政治的建立
B. 明确规定该国在一定历史时期的根本任务
C. 指导具体宪法规范、普通法律原则和规范的制定和实施
D. 记载一国革命历史的发展
[单项选择]按照《老子》一书对“道”的理解,“道”是()
A. 第一性的
B. 第二性的
C. 物质实体的
D. 相对精神的
[多项选择]The Company LAN switches are being configured to support the use of Dynamic VLANs. Which of  the following are true of dynamic VLAN membership?()
A. VLAN membership of a user always remains the same even when he/she is moved to another  location.
B. VLAN membership of a user always changes when he/she is moved to another location.
C. Membership can be static or dynamic.
D. Membership can be static only.
E. None of the other alternatives apply.
[多选题]以下属于营销现场作业保证安全的组织措施的是(  )。
A.工作票制度
B.停电
C.使用个人保安线
D.现场勘察制度
E.工作终结制度
F.挂接地线
[判断题]摽紧紧固绳索的短棍称为摽棍。
A.正确
B.错误
[填空题]

In some societies it is the custom for parents to arrange the marriages of their children. Often the bride and groom will not be (31) for their opinion in this matter, and sometimes they do not even meet each other (32) the day of the wedding.
Most Americans find the idea of arranged (33) difficult to understand or accept. They believe that two people should marry for love, after a period of dating and courtship. During that period, the prospective marriage partners are supposed to (34) enough about each other to decide (35) or not they will be able to build a successful marriage.
In the United States marriages are seldom formally arranged, but quite a lot of informal arranging goes on before two people (36) husband and wife. People who get married are (37) to each other by friends. (38) friends have already decided that the two people are right for each other and arrange for them to m

[单项选择]女性,28岁,因结婚3年未孕就诊。少年曾有过咳嗽、低热史,现胸片证实有左上肺结核。月经周期规律,量少,无痛经。下列检查哪项最可能出现异常()
A. 血常规
B. 妇科检查
C. 血沉
D. 旧结核菌素试验
E. 宫颈刮片检查
[单选题]单选题:兼职培训师年度考核包括年度培训教学任务完成情况、参与培训项目开发、培训设施建设情况等,其中,培训教学任务完成情况考核占比( )。
A.50%
B.60%
C.70%
D.80%
[单项选择]关于骨质疏松症的易患因素说法错误的是
A. 营养不均衡,长期低钙饮食
B. 维生素C缺乏
C. 活动太多,骨吸收增强
D. 维生素D转化减少
E. 嗜烟酒
[多选题] "影剧院火灾特点()。
A.燃烧猛烈,蔓延迅速
B.建筑物易倒塌
C.一处着火,多处流窜
D.易形成烟囱效应
E.易造成人员伤亡"
[多选题]携带型接地线使用前应检查是否完好,如发现()等均不应使用。
A.夹具断裂松动
B.护套严重破损
C.断股
D.绞线松股
[判断题]灾后抢修只确认设备状态符合抢修安全措施要求,可以不办理紧急抢修工作票或相应的工作票。
A.正确
B.错误
[判断题]对营销风险进行量化,并划分为“特高、高、中、低”四个风险等级。()
A.正确
B.错误
[多选题]《国家电网有限公司直属产业合资公司审计监督管理办法(试行)》要求,充分发挥省(自治区、直辖市)电力公司属地管理和产业单位专业赋能优势,建立“(____)”的合资公司审计监督工作机制,坚决杜绝“只投不管”现象。
A.统筹互动
B.权责协同
C.共建共管
D.成果共享
E.资源共用
[单选题]( )明确设备由一种状态转为另外一种状态,或者系统由一种运行方式转为另一种运行方式。必须注明设备的电压等级(变压器除外),同一母线上多间隔同时操作时,电压等级只需在前面写一次。操作任务的填写应简洁、准确、清晰。( )
A.操作时间
B.操作任务
C.操作项目
D.操作规程
[多项选择]下列选项中,属于重力自流管线的是( )。
A. 雨水管线
B. 煤气管线
C. 污水管线
D. 给水管线
E. 灰渣管道
[简答题]亲鱼培育的总体要求是什么?

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