热门试题:
[单项选择]There is already clear______ to show that plants and animals are being affected by climate change.
A. witness
B. certification
C. identity
D. evidence
[判断题]在电气化区段接触网电分相前方,分别设断电标、禁止双弓标。对于最高运行速度大于120 km/h的旅客列车、特快货物班列及最高运行速度为120 km/h的货物列车、快速货物班列运行的线路,在断电标的前方增设特殊断电标。在接触网电分相后方设合电标。在双线电气化区段,在“合”、“断”电标背面,可分别加装“断”、“合”字标,作为反方向行车的“断”、“合”电标使用。
A.正确
B.错误
[单选题]YD02ZG021356、每组接地线均应编号,并存放在固定地点。存放位置(),接地线号码与存放位置号码应一致。
A.应有标记
B.亦应编号
C.应固定
D.应有专用柜架
[判断题]车钩风管的密封性不能用肥皂水和毛刷进行检查。
A.正确
B.错误
[单选题]患者女,25 岁。已婚,停经 36 天后出现阴道流血.持续 7
天,盆腔 B 超检查未发现异常,基础体温测定呈单相型。应考虑的诊断是( )
A.无排卵性功血
B.黄体功能不足
C.子宫内膜不规则脱落
D.流产
E.排卵期出血
[单选题]货物发送吨数根据货票记载的()计算,无货物重量按计费重量计算。
A.车辆标记载重量
B.货物实际重量
C.货物计费重量
D.车辆容许载重量
[判断题]反应物的单程转化率总小于总转化率。()( )
A.正确
B.错误
[单项选择]Let’s try to find out why getting fiber from whole foods is important for a healthy diet. Fiber has never been (67) you’d call a healthy nutrient. Suddenly, it’s a superstar: Manufacturers are (68) it to yogurt, juice, even (69) sweetener.
But as with many (70) , there’s an unseemly back story: Experts aren’t sure that these fiber-boosted foods are (71) trying.
Yes, you should eat lots of fiber. There’s no question that a diet (72) in high-fiber foods is a powerful lifesaver-it’s known to (73) the risk of heart disease and diabetes, and it helps (74) weight gain. Recent studies show a fiber-rich diet cuts the risk of breast cancer, too, and the (75) you’ll develop cancer of the small intestine. But the new foods might not (76) . That’s (77) many of them use "isolated" fiber—stuff that’s been (78) out of the foods that (79) contained it, says nutrition expert Tara
[单项选择]出现梦境是在睡眠的( )。
A. 第二阶段
B. 第三阶段
C. 第四阶段
D. 快速眼动睡眠阶段
[单项选择]Text 3
One of the most alarming things about the crisis in the global financial system is that the warning signs have been out there for some time, yet no one heeded them. Exactly 10 years ago, a hedge fund called Long-Term Capital Management (LTCM) failed to convince investors that it could repay its debts, thereby bringing the world to the brink of a similar "liquidity crisis" to the one we now see. Disaster was averted then only because regulators managed to put together a multi-billion-dollar bailout package.
LTCM’s collapse was particularly notable because its founders had set great store by their use of statistical models designed to keep tabs on the risks inherent in their investments. Its fall should have been a wake-up call to banks and their regulatory supervisors that the models were not working as well as hoped—in particular that they were ignoring the risks of extreme events and the connections that send such events reverberating around the financial sy
A. The decision-makers were not aware of the risk of extreme events.
B. Designers of the mechanisms to prevent financial disasters were self-absorbed.
C. Relying on the statistical models, bankers were bold in their business operations.
D. Risk managers failed to see the weaknesses in the system in time.
[单项选择]患者,男,9岁。1小时前不慎摔倒,当时左手掌先着地。伤后左肘部肿胀明显,肘部呈靴形畸形。局部疼痛剧烈,前臂活动受限,肱骨髁上有环行压痛为防止发生肘内翻畸形,对有桡侧侧方移位者,应()。
A. 必须达到解剖复位
B. 固定时应鹰嘴前方加一梯形垫
C. 固定时应在骨折近端内侧加一梯形垫
D. 固定时应在骨折远端外侧加一梯形垫
E. 不必完全复位
[单选题]用滑行钢轨装卸钢梁及其他重型机械设备时,滑行钢轨应支撑牢固,坡度适当,滑行前方( )。
A.必须有人防护
B.应有保险绳索
C.严禁站人
D.应设置安全桩
[单选题]高压设备发生接地时,室外人员应距离故障点()m以外。
A.2
B.4
C.6
D.8
[多选题]换装或者搬运( )等笨重轨料,应有专人指挥,尽量选择在平整的地面上行走;必须在坑洼不平或线路上行走时,应注意踏稳踩牢。
A.钢轨
B.混凝土枕
C.辙叉
D.活口扳手
[单选题] 兼性氧化塘的水深一般为( )。
A.0.2~0.4m
B.0.6~1.5m
C.2.4~3.0m
D.3.0m以上
[简答题]小明和小红结婚后,小红为了装修婚房向张三借款50万元,张三知道小明和小红约定了夫妻分别财产制,小明和小红离婚后,张三可以要求小明还钱吗?
[单选题]立、撤杆作业现场,不准利用树木或外露岩石作受力桩。一个锚桩上的临时拉线不准超过()根,临时拉线不准固定在有可能移动或其他不可靠的物体上。
A.一
B.两
C.三
D.四
E.略
F.略
[单选题]电调管辖范围内设备的计划作业,必须由设备车间填写工作票,在施工前一日14:00交电调审核,( )前电调给予反馈意见,18:00前将重新签发的工作票交电调。
A.前二日14:00
B.前一日14:00
C.当天14:00
D.前一日16:00
[多选题]火场实施警戒的条件是()。
A.毒气、可燃气体扩散,有爆炸、倒塌危险
B.疏散大量人员或组织大量人员疏散物资
C.指挥部认为有必要实行火场警戒
D.不能控制火势,以及燃烧面积较大
E.有大量人员和车辆参加灭火战斗或有大量人员围观
[单选题]单相整流电路按其电路结构特点来分,有半波、全波、( )三种整流电路。
A.频率
B.相位
C.桥式
D.调制
[简答题]Elaborate on Grice’s Maxim of Quantity and its violations.
[判断题]进入静电除尘器前必须将高压隔离刀闸投到不接地位置,用接地棒对高压硅整流变输出端电场放电部分进行放电( )
A.正确
B.错误
[判断题]控制道岔侧向速度的部位主要是转辙器和辙叉( )
A.正确
B.错误
[单项选择]在我国每年一次的全国人民代表大会上,国务院总理需要向全国人民代表大会做政府工作报告,接受其监督,这体现了我国制度设计中()。
A. 公共责任制
B. 首长负责制
C. 宪政责任制
D. 对人民负责制
[单选题]关于白喉棒状杆菌的检测,下列说法错误的是(1.0)
A. 于假膜处取材可提高检出率
B. 用奈氏染色查见异染颗粒可作为本菌鉴别特征
C. 锡克试验阴性说明机体有免疫力
D. Elek平板毒力试验阳性者说明为产毒株
E. 通常不取血液标本作检测
[判断题]道德舆论是在一定的道德原则和道德规范的短期影响下形成的。
A.正确
B.错误
[判断题] 空气呼吸器使用前气瓶压力不能低于15 Mpa。( )
A.正确
B.错误
[单选题]易燃品闪点在28℃以下,气温高于28℃时应当在( )运输。《安全管理人员资格考试题库》
A.夜间
B.白天
C.都可
[多选题] 在拟测量断面上选设的观测点一般包括( )。
A. 转折点
B. 水准点
C. 地形变化点
D. 直线定向点
E. 加密点
[单项选择]( )是初步的临床药理学及人体安全性评价试验。
A. Ⅰ期临床试验
B. Ⅱ期临床试验
C. Ⅲ期临床试验
D. Ⅳ期临床试验
E. 生物等效性试验
[判断题]( )υmax≤80 km/h正线及到发线混凝土枕地段,高低在作业验收时静态容许偏差管理值为6mm。
A.正确
B.错误
[单选题]电动汽车上使用的锂离子电池是现代高性能电池的代表,常见的三元锂电池电压是()。
A.3.2V
B.3.4V
C.3.6V
D.3.7V
[单项选择]( )常用包衣材料制成具有不同释药速度的小丸。
A. 微丸
B. 微球
C. 滴丸
D. 软胶囊
E. 脂质体
[单选题]证券公司、证券投资咨询机构通过举办( )等形式,进行证券投资顾问业务推广和客户招揽的,应当提前5个工作日向举办地证监局报备。
Ⅰ 讲座
Ⅱ 报告会
Ⅲ 分析会
Ⅳ 网上推介会
A.Ⅰ、Ⅱ、Ⅲ
B.Ⅰ、Ⅱ、Ⅳ
C.Ⅱ、Ⅲ、IV
D.Ⅰ、Ⅲ、Ⅳ