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[判断题]轴承箱油封回油槽和回油孔必须在油封的最下方。( )
A.正确
B.错误

热门试题:

[单选题] 自动闭塞区段出站信号机故障时发出列车的行车凭证为( )。
A.绿色许可证
B.红色许可证
C.路票
D.调度指示
[单项选择]

Researchers stress that we need diet and exercise to drop pounds. "The most (1) way to lose weight is with a combination, "says Rena Wing, head of the National Weight Control Center.(2) experts also admit that many (3) losers find it helps to (4) on one or the other. ’"A lot of people feel helpless at the thought of (5) everything--diet, lifestyle," says Bess Marcus, professor of human behavior at Brown University Medical School. "So ask yourself, ’(6) do I want to start What am I willing to focus on ’"
The (7) depends on everything from what you hope to (8) to how your life is (9) . If you are in a big hurry to drop pounds(10) dieting is the way to go. Decades of (11) have shown it’ s the surest and quickest method. If you are more (12) with how you look than with numbers on the scale, though, (13) may be the way to go. By increasing physical activity, you’ll(14) fat and build muscle tissue.(15) often end up lo
A. settled
B. organized
C. formed
D. composed

[简答题]简述幼儿园教学的基本原则以及如何贯彻这些原则。
[单项选择]为防止锅炉降温过快,在正常停炉的()h内,应紧闭炉门和烟道挡板。
A. 2-4
B. 14-l6
C. 4-6
D. 18-24
[填空题]《铁路旅客运输办理细则》(铁运〔1997〕103号)规定,二人以上旅客使用一张代用票,要求分开乘车时,应收回原票,换发代用票。分乘与旅行变更同时发生时,按核收一次手续费。
[不定项选择题]共用题干 The Greatest Mystery of Whales

The whale is a warm一blooded,air-breathing animal,giving birth to its young alive,sucking them一and,
like all mammals,originated on land. There are many________________(51)of this. Its front flippers(鳍状肢),
used for steering and stability,are traces of feet.
Immense strength is________________(52)into the great body of the big whales,and in fact most of a
whale's body is one gigantic muscle.The blue whale's pulling strength has been estimated________________(53)
400 horsepower. One specimen was reported to have towed(拖)a whaling vessel for seven hours at the
_______________ (54)of eight knot(节).
An angry whale will________________(55).A famous example of this was the fate of Whaler Essex,
________________(56)was sunk off the coast of South America early in the last century. More recently,steel ships
have ___________( 57 ) their plates buckled(使弯曲)in the same way. Sperm whales(抹香鲸)were known
to seize the old-time whaleboats in their jaws and crush them.
The greatest________________(58)of whales is their diving ability.The sperm whale dives to the bottom foi
his________________(59)food,the octopus(章鱼).In that search he is known to go as far down as 3 , 200 feet,
where the________________(60)is 1,400 pounds,to a square inch.Doing so he will________________(61)underwa-
ter as long as one hour. Two special skills are involved in this storing up enough________________(62)(all
whales are air-breathed)and tolerating the great change in pressure.Just how he does it scientists have nol
_______________ (63).It is believed that some of the oxygen is stored in a special________________(64)of blood
vessels,rather than just held in the lungs.And it is believed that a special kind of oil in his head is some sort
of a compensating mechanism that________________(65)adjusts the internal pressure of his body.But since you
can't bring a live whale into the laboratory for study,no one knows just how these things work. _________(55)
A.abandon
B.attack
C.leave
D.board
[单项选择]急性外伤引起肱二头肌长头肌腱断裂,功能严重障碍,首先应考虑()。
A. 手法治疗
B. 药物治疗
C. 封闭治疗
D. 功能锻炼
E. 手术治疗
[单项选择]下列不属于政府购买支出的是()。
A. 政府为低收入者提供最低生活保障
B. 政府为政府公务员增加工资
C. 政府向国外购买一批先进武器
D. 政府在农村新建三所小学
[判断题]公安局对某甲与某乙因借款纠纷作出行政调解,对该调解不服的,不可申请行政复议
A.正确
B.错误
[判断题]配合停电的同杆(塔)架设线路装设接地线要求与检修线路相同。
A.正确
B.错误
[多选题]压力容器在停用时的保养防腐措施有() 。
A.涂漆
B.喷镀
C.电镀
[多项选择]甘草的功效是
A. 缓急止痛
B. 祛痰止咳
C. 清热解毒
D. 益气补中
E. 调和药性
[单选题]地铁工作车高速检测调试作业时速度不得超过(  )。
A.25Km/h,
B.40Km/h,
C.60Km/h,
D.80Km/h,
[单选题]依据《刑法》的规定,负有安全生产监督管理职责的部门,对生产安全事故隐瞒不报、谎报或者拖延不报的,依据( )的规定处罚。
A. 贪污罪
B. 受贿罪
C. 玩忽职守罪
D. 重大责任事故罪
[单项选择]以下关于期货的结算说法错误的是( )。
A. 期货的结算实行每日盯市制度,即客户以开仓后,当天的盈亏是将交易所结算价与客户开仓价比较的结果,在此之后,平仓之前,客户每天的单日盈亏是交易所前一交易日结算价与当天结算价比较的结果
B. 客户平仓后,其总盈亏可以由其开仓价与其平仓价的比较得出,也可由所有的单日盈亏累加得出
C. 期货的结算实行每日结算制度,客户在持仓阶段每天的单日盈亏都将直接在其保证金账户上划拨。当客户处于盈利状态时,只要其保证金账户上的金额超过初始保证金的数额,则客户可以将超过部分提现;当处于亏损状态时,一旦保证金余额低于维持保证金的数额,则客户必须追加保证金,否则就会被强制平仓
D. 客户平仓之后的总盈亏是其保证金账户最初数额与最终数额之差
[多选题] 爆破作业人员从事爆炸作业活动的,下列哪些行为是禁止的?( )
A. 同时受聘于两个以上爆破作业单位
B. 违反国家有关标准和规范实施爆破作业
C. 扣押爆破从业人员许可证
[判断题]请、销点站可以属于两条不同线路。
A.正确
B.错误
[单选题]交流供电和()V以上直流供电的消防用电设备的金属外壳应有接地保护。
A.12
B.24
C.36
D.48
[单选题]楞次定律的内容是( )。
A.计算线圈中感应电动势大小的定律
B.电流通过线圈产生热量的定律
C.确定线圈产生感应电动势方向的定律
D。电流与电阻的关系定律
[判断题]依据我国法律规定,票据关系的期间单位为年、月、日、小时。( )
A.正确
B.错误
[判断题]恶性淋巴瘤患者常出现嗜酸性粒细胞增多。
[单选题]下列材料中,导电性能最好的是( )。   A.铝  B.铜  C.铁
A.A
B.B
C.C
D.D
[单项选择]以下函数值的类型是______。
fun(float x)
float y;
y=3*x-4;
return y;

A. int
B. 不确定
C. void
D. float
[单项选择](3—4题共用题干) 急性广泛前壁心肌梗死患者住院5日突然出现呼吸困难,出冷汗,不能平卧,查体心底部可闻及3/6级收缩期杂音。最有效的治疗应该是
A. 洋地黄类药物
B. ACEI
C. 利尿剂
D. 主动脉内气囊反搏术
E. 循环支持下外科手术
[单选题]我国古代不同时期的文学特色鲜明,下列佳句最能体现唐代文学特色的是()。
A.路漫漫其修远兮,吾将上下而求索
B.床前明月光,疑是地上霜
C.大江东去,浪淘尽,千古风流人物
D.夕阳西下,断肠人在天涯
[单项选择]ICD-10中,关于急性心肌梗死I21.-,下列描述错误的是()。
A. 急性心肌梗死自发病起时间不超过四周(28天)或更短
B. I21.0至I21.3以部位为轴心
C. 整个类目的主要轴心是临床表现的透壁性和非透壁性
D. 包括急性心肌梗死后的某些近期并发症
E. 为双轴心分类
[单选题]某火灾造成30人死亡,该火灾为( )。
A.一般火灾
B.较大火灾
C.重大火灾
D.特别重大火灾
[填空题] A language is a signaling system which operates with symbolic vocal sounds (语声), and which is used by a group of people for the purpose of communication. Let’’s look at this (61)______ in more detail because it is language, more than anything else, (62)______ distinguishes man from the rest of the (63)______ world. Other animals, it is true, communicate with one another by (64)______ of cries: for example, many birds utter (65)______ calls at the approach of danger; monkeys utter (66)______ cries, such as expressions of anger, fear and pleasure. (67)______ these various means of communication differ in important ways (68)______ human language. For instance, animals’’ cries do not (69)______ thoughts and feelings clearly. This means, basically, that they lack structure. They lack the kind of structure that (70)______ us to divide a human utterance into (71)______ We can change an utterance by (72)______ one word in it with (73)______ : a good illustration of this is a
A. A.about
B.with
C.from
D.in

[单项选择]课外校外教育与课堂教学的共同之处在于它们都是( )。
A. 师生共同参加的
B. 学生自愿选择的
C. 有目的、有计划、有组织的
D. 受教学计划、教学大纲规范的
[单选题]在村镇居民居住区,普速铁路线路安全保护区的范围,从铁路线路路堤坡脚、路堑坡顶或者铁路桥梁外侧起向外的距离为()。
A.不少于8米
B.不少于10米
C.不少于12米
D.不少于15米
[单选题]“一有突发事件发生老百姓就期待撤一个官员,不论这个事这个官员负有多少责任,他认为只要撤了官才能解气,才能解恨。”这是舆论传播中()的表现
A.问责效应
B.碎片效应
C.加倍效应
D.首因效应
题型:单选题
[单项选择]Fish farming in the desert may at first sound like an anomaly, but in Israel over the last decade a scientific hunch has turned into a bustling business.
Scientists here say they realized they were no to something when they found that brackish water drilled from underground desert aquifers (含土水层) hundreds of feet deep could be used to raise warm-water fish. The geothermal water, less than one-tenth as saline as sea water, free of pollutants and a toasty 98 degrees on average, proved an ideal match.
"It was not simple to convince people that growing fish in the desert makes sense," said Samuel Appelbaum, a professor and fish biologist at the Jacob Blaustein Institutes for Desert Research at the Sede Boqer campus of Ben-Gurion University of the Negev.
"It is important to stop with the reputation that arid land is nonfertile, useless land," said Professor Appelbaum, who pioneered the concept of desert aquaculture in Israel in the late 1980s. "We should consider arid land wh
A. To inform them fish farming is a lucrative industry worldwide as people seek more fish in their diet for better health.
B. To rid them of the preconception that arid land is unfertile and useless.
C. To help them with technical support.
D. To persuade government to provide more economic support.
[填空题]《铁路旅客运输服务质量规范》(铁总运〔2016〕247号)规定:普速旅客列车<--NRC-->办理站车交接。
[多选题]若车主在挪车时与后车发生剐蹭,撞碎后车转向灯一只,交警的处理方法正确的有:
多选)
A.让双方驾驶员立即停车,保护现场,等待处理
B.让事故车辆停在原地,交警指挥其他车辆绕行
C.让双方驾驶员将车驶离现场,停靠在路旁,协商处理
D.交警检查现场,双方驾驶员对撞车行为无争议,各自离开,恢复交通
[单选题] 剖宫产时使用组织钳夹住子宫肌层目的是( )
A.牵开
B.止血
C.夹紧
D.牵拉、止血
E.以上均不是
[判断题]带电作业绝缘工具试验,被试品应平放。
[单选题]腓利牛排选用的是() ,粗细均匀肉质最嫩。适宜煎、扒、炭烤等。
A.里脊头段
B.里脊中段
C.里脊末段
D.里脊全段

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