热门试题:
[判断题]钢轨探伤仪的阻塞是为了抑制远距离的杂波。
A.正确
B.错误
[判断题]主变电所范围内的C类施工完毕后，施工负责人通过APP或主所办公电脑，向OCC行调销点。
A.正确
B.错误
[单项选择]
One of the most famous scientists to study adaptations was Charles Darwin. He was born in England in 1809. He wasn’t the best student in his school, but when he was 16, his lather sent him to a medical school. Charles liked spending time outdoors observing nature more than attending medical classes. He dropped out without graduating.
Next, Charles’ father sent him to school to become a minister. This time he made it to graduation. But he didn’t want to do the work of a minister. His friends encouraged him to follow his interest in science.
After graduation, Charles was invited to sail on the Beagle as an unpaid scientist. He wasn’t the first choice, but he was the lucky one to go. The Beagle was to travel to South America and then around the world. The crew’s task was to make maps of the places they visited.
On December 27th, 1831, Charles Darwin sailed from England on the Beagle. The trip was planned to last two years. In fac
A. Darwin graduated from a medical school.
B. Some animals have adaptations so that they can survive.
C. Darwin published a scientific paper by himself.
D. Darwin was first chosen to sail on the Beagl
[单选题]1980年11月,在中纪委召开的座谈会上,()指出:“执政党的党风问题是有关党的生死存亡的问题”。
A.彭真
B.陈云
C.李先念
[填空题]The main idea in the second paragraph is ______.
[单项选择]一方面总监理工程师掌握所有的监理大权，各专业监理工程师只是其命令的执行者，另一方面各专业管理工程师在总监理工程师的授权下，在各自管理的范围内有足够的决策权，这主要体现的是项目管理机构组织设计的( )原则。
A. 专业分工与协作统一
B. 权责一致
C. 管理跨度与管理层次统一
D. 集权与分权统一
[判断题]正确使用施工机具、安全工器具和劳动防护用品是工作班成员的安全责任。
A.正确
B.错误
[多选题]下列机场及三字代码对应正确的有()
A. 徐州观音机场 XUZ
B. 沈阳桃仙国际机场 SHP
C. 满洲里西郊机场 MZH
D. 乌兰浩特机场 HLH
[多选题] 电传动机车的动力制动包括( )。（应知应会-《机车乘务员通用知识》第439条
）
A. 液力制动
B. 电阻制动
C. 盘型制动
D. 再生制动
[单项选择]一般情况下，运输市场上出现供小于求的情况时，运价（）。
A. 不受影响
B. 忽高忽低
C. 会上升
D. 会下降
[单项选择]不符合流行性出血热少尿期处理原则的是（）
A. 扩容
B. 导泻和放血疗法
C. 纠酸
D. 血液透析
E. 利尿
[单选题]根据《安全生产事故隐患排查治理暂行规定》，生产经营单位是事故隐患排查、治理和（）的责任主体。
A.整改
B.救援
C.处理
D.防控
[单选题] 违法嫌疑人或者被侵害人对鉴定意见有异议的,可以提出重新鉴定的申请,同一行政案件的同一事项重新鉴定以( )为限。
A. 1次
B. 2次
C. 3次
D. 4次
[判断题]党员人数少的支部，可以采用举手的方式进行选举。
A.正确
B.错误
[多选题]地震发生后,通常所讲的“三断”是指震区处于( )状态。
A. 断网
B. 断电
C. 断路
D. 断暖
[单选题]执勤战斗预案必须具有( )完整性、针对性、科学性。
A.简化性
B.复杂性
C.实用性
D.传统性
[单选题]【单选题】()是根据飞控计算机的指令,按规定的静态和动态要求,通过对无人机各控制舵面和发动机节风门等的控制,实现对无人机的飞行控制
A.伺服作动设备
B.导航系统
C.飞控系统
[单选题]负载获得最大功率时,负载消耗的功率等于( )。
A.EI
B.E2 /R
C.I2(R+r)
D.I2r
[单选题]焊工应穿专用工作服，戴工作帽，上衣（ ）扎在裤子里。
A.A.必须
B.B.不准
C.C.可以
D.D.随意
[填空题]
{{B}}
Weight-Loss Nirvana
A
Substance That Makes Fat Mice Thin Just Might Work for Humans Too{{/B}}
In the US, where one in three adults is seriously overweight, the news
carried by the journal Science last week -- that Friedman and his colleagues at
the Howard Hughes Medical Institute and New York City’s Rockefeller University
had discovered a magical dose that melts fat in a matter of weeks -- resonated
with unusual force. Momentarily, at least, it encouraged the spirits of millions
of lifelong dieters and boosted the stock of Amgen, the biotechnical firm based
in California that holds the license on the underlying technology. It is too
early to predict, however, whether this rare elixir (called leptin, after the
Greek leptos, meaning slender) will be a stunning pharmaceutical (制药上的) success
or just another "miracle" cure that never pans out. Even if all goes well, it
could be five t
[单选题]班组安全检查的内容主要是()。
A.“三查”
B.“四查”
C.“五查”
[单选题]在电力系统非正常状况下，对于10kV供电的用户，其受电端的电压最大允许偏差不应超过额定值的（ ）。
A.A.10%
B.±10％
C.＋7％，－10％
D.±7％
[多选题]乘务员佩戴耳针的直径不超过5mm,饰物的颜色呈
A.白色
B.金黄色
C.银黄色
D.银白色
[判断题]旅客因伤、病中途下车，经站车证实，可退还已收票价与已乘区间票价差额，退票费按票价20%计，但铁路责任或不可抗力所致除外。
A.正确
B.错误
[单项选择]
At first I couldn’t believe it! There were no (21) in rows; no bells rang; no one had to go to (22) . Although we all lived "in", (23) made us go to bed at a certain time; there was no "lights out".
The (24) thing was that practically all the students went to class, and very few people stayed up late at night. Only the new people stayed up or (25) class. The new ones always went (26) at first, but this never lasted long. Our teachers treated us like (27) ; never did we have to (28) "stand up". I don’t know of one student who didn’t try his best.
The subjects were the same as those in (29) school, but what a difference in the approach(方式 )! For example, in botany (植物学) we had no classes in the spring or fall, but instead we (30) two gardens, a vegetable garden and a flower garden. Then in winter we each studied a few (31) things about what we
A. wild
B. polite
C. quiet
D. noisy
[单项选择]下列选项中，不影响纺丝组件压力大小的因素是（）
A. 熔体挤出量
B. 计量泵的规格
C. 熔体温度和黏度
D. 过滤砂用量
[单选题]曲线半径为650m的到发线，圆曲线正矢连续差经常保养容许偏差为()。
A.6mm
B.8mm
C.10mm
D.12mm
[单项选择]131-45=53在 (23) 进制下成立。
A. 六
B. 七
C. 八
D. 九
[单选题]下列哪项属于心功能二级:
A.体力活动轻度受限,较重活动出现症状
B.端坐呼吸
C.体力活动明显受限,较轻 活动出现症状
D.休息时亦有呼吸困难
E.体力活动不受限
[判断题]前轴车轮不平衡，会导致高速行驶摆头现象。( )
A.正确
B.错误
[单选题] 肾结核的错误描述是
A.可累及输尿管与膀胱
B.90%肾结核系由血行感染所致
C.肾乳头部见边缘模糊的低密度病灶或空洞
D.可见肾盂积水
E.晚期钙化表明肾结核病变完全愈合
[判断题]剖视图是指用假想的剖切面将机件剖开,将处在观察者与剖切面之间的部分移去,将其余部分向投影面投射所得的图形。
A.正确
B.错误
[单选题]二次回路现场检测宜使用（ ）工作票。
A.变电第一种
B.变电第二种
C.配电第一种
D.配电第二种
[多选题]《消防法》规定，任何单位和个人应当履行（）义务。
A.维护消防安全
B.保护消防设施
C.预防火灾
D.报告火警
E.参加有组织的灭火工作
[判断题]站、车发生纠纷，在责任、原则不明时，站、车双方均不得以任何理由阻碍开车，造成列车晚点。
A.正确
B.错误
[单选题]低压电气工作时，（）的引线、断开的线头应采取绝缘包裹等遮蔽措施。
A.A.合开
B.B.拆开
C.C.分开
D.D.断开
