热门试题:
[多项选择]韦纳关于成功和失败的归因模式认为,人们的行为获得成功或遭到失败主要归因干
A. 努力
B. 能力
C. 任务难度
D. 机遇
E. 领导赏识
[单项选择]男性,56岁,吸烟20支/天,一年来反复发作胸骨后疼痛,持续10~15分钟,发作与劳力无关,常于凌晨发作,含服硝酸甘油可使疼痛缓解。休息时心电图正常。最近一次发作时心电图呈V~V导联ST段抬高,Ⅱ、Ⅲ、aVF导联ST段压低,发作后恢复正常。可能的诊断是()
A. 恶化型劳力性心绞痛
B. 急性心肌梗死
C. 变异型心绞痛
D. 心绞痛合并急性心包炎
E. 卧位型心绞痛
[简答题]第10层的质量问题是否需要处理?说明理由?
[单选题]【A1型题】据《素问·灵兰秘典论》,下述哪一项是肾所出
A. 水液
B. 治节
C. 变化
D. 伎巧
E. 气化
[简答题]What is the major reason for many early settlers to come to the English colonies in North America
[单选题]患者男,60岁。诊断为肺气肿,吸入氧浓度为33%,应调节氧流量为( )
A.1L/min
B.2L/min
C.3L/min
D.4L/min
E.5L/min
[判断题]绕线转子异步电动机也采用变极变速。( )
A.正确
B.错误
[单选题]根据《营销现场作业安全工作规程(试行)》,用电检查工作应填用()。
A.工作票
B.派工单
C.现场作业工作卡
D.工作任务单
[判断题]变压器的高压侧就是一次侧。
A.正确
B.错误
[判断题]车务人员在接班前要充分休息好,不得饮酒,以保持在工作中精神饱满。
A.正确
B.错误
[判断题]梯子可绑接使用。人字梯应有限制开度的措施。
A.正确
B.错误
[单选题]经互感器接入电能表的装拆、现场校验工作,应有防止()二次侧开路、电压互感器二次侧短路和防止相间短路、相对地短路、电弧灼伤的措施。
A.电流互感器
B.电压互感器
C.电容器
D.避雷器
[多项选择]患大病或感染传染病后,应学会自我心理调适,下面哪些做法是有益心理健康的?()
A. 允许自己表达软弱,确立面对现实的态度
B. 不要将不良情绪隐藏在内心,要通过不同的宣泄渠道,倾诉自己的感受,释放自己的痛苦
C. 相信科学,冷静客观地去了解自身疾病的大概情况和治疗方案,调动自身的积极因素并配合治疗
D. 在身体康复到一定程度,应跳出病人角色的圈子,关心他人,在施爱中得到内心的充实
[判断题] 真空断路器在切除电感电路并在电流过零前使电弧熄灭,不会产生截流过电压。( )
A.正确
B.错误
[单项选择]有关高血压病脑出血的手术适应证,下述哪项是不正确的()
A. 有心、肺、肝、肾等严重疾患患者多不宜手术
B. 浅部出血应优先考虑手术
C. 动脉血压>26.6/16kPa(200/120mmHg),眼底出血者多不宜手术
D. 大脑半球出血量>30ml,小脑出血>10ml者多不宜手术
E. 急性脑干出血手术很少成功
[单选题]用对比或标准试块调整探伤装置或仪器的过程,称为( )。
A.角度调节
B.对比
C.衰减调节
D.标定
[判断题]人工挖孔基础作业时,当孔深小于12m,应经监理人员现场检查确认后,在作业票中签字,同意开始作业。()
A.正确
B.错误
[不定项选择题]共用题干
第三篇
Smart Exercise
Doctors are starting to find more and more information that suggests a connection
between exercise and brain development.Judy Cameron,a scientist at Oregon Health and
Science University,studies brain development.According to her research,it seems that
exercise can make blood vessels,including those in the brain,stronger and more fully
developed.Dr. Cameron claims this allows people who exercise to concentrate better. As
she says:"While we already know that exercise is good for the heart,exercise can literally
cause physical changes in the brain."
The effects of exercise on brain development can even be seen in babies.Babies who
do activities that require a lot of movement and physical activity show greater brain
development than babies who are less physically active.With babies,even a{ittle
movement can show big results. Margaret Barnes , a pediatrician(儿科医师),believes in
the importance of exercise.She thinks that many learning disabilities that children have in
elementary school or high school can be traced back to a lack of movement as babies.
"Babies need movement that stimulates their five senses.They need to establish a
connection between motion and memory.In this way,as they get older,children will begin
to associate physical activity with higher learning,"says Margaret.
Older people can beef up their brains as well.Cornell University studied a group of
seniors ranging in age from seventy to seventy-nine. Their study showed a short-term
memory increase of up to 40 percent after exercising just three hours a week.The exercise
does not have to be very difficult,but it does have to increase the heart rate.Also,just like
the motion for infants,exercise for older people should involve some complexity.Learning
some new skills or motions helps to open up memory paths in the brain that may not have
been used for a long time.
For most people,any type of physical activity that increases the heart rate is helpful.
The main goal is to increase the brain's flow of blood.And your brain can benefit from as
little as two to three hours of exercise a week.
Research by Dr.Cameron seems to suggest that exercise can
A.generate new blood vessels.
B.change the way a person thinks.
C.promote brain development.
D.divert one's attention.
[单选题]用手信号显示减速信号时,收回手信号显示的时机规定为列车、调车列( )要求速度时。
A.低于
B.超过
C.降至
D.开始
[单选题]带电断、接空载线路所接引线长度应适当,与周围接地构件、不同相带电体应有足够安全距离,连接应牢固可靠。断、接时应有防止()的措施。
A.引线断裂
B.引线脱落
C.引线移动
D.A.引线摆动
[单项选择]原发性肝癌的常见并发症不包括()
A. 肝性脑病
B. 癌旁综合征
C. 消化道出血
D. 急性胰腺炎
E. 感染
[单项选择]软件工程开发的可行性研究是决定软件项目是否继续开发的关键,而可行性研究的结论主要相关于______。
A. 软件系统目标
B. 软件的性能
C. 软件的功能
D. 软件的质量
[多选题]不会影响PTA结晶器的物料停留时间有
A.液位
B.压力
C.温度
D.进料浓度
E.流量
[单选题] (单选题)凝血测定时取真空采血管的
A. 蓝色
B. 红色
C. 紫色
D. 黑色
[多项选择]有关颅裂治疗,以下哪些概念不正确()
A. 颅裂均需手术治疗
B. 颅裂术后可继发脑积水
C. 颅裂术中无须颅骨修补
D. 颜面部颅裂可能需行二期整容手术
E. 颅裂术中必须将全部脑组织还纳
[单选题]对于免费车辆应免未免收取通行费的,由( )负责处理。
A.客户方
B.收费方
C.发行方
D.银行
E.收费员
[填空题]JZ-7型制动机自阀管座上有均衡风缸管、列车管、总风缸管、中均管、撒砂管、( )、遮断阀管、单独缓解管、单独作用管共九根管。
[填空题]《铁路旅客运输办理细则》(铁运〔1997〕103号)规定,<--NRC-->的车站应开展旅客携带品搬运业务。
[单选题]中国革命的基本问题是______。( )
A.军队问题
B.工人问题
C.农民问题
D.知识分子问题
[单选题]《学生票往返票办理办法》规定,学生往返票按近径路发售,返程票票面注明( )字样。
A.“往返”
B.“学返”
C.“返回”
D.“返程”
[判断题]所有工作人员(包括工作负责人)不许单独留在高压室内已免发生以外触电或电弧灼伤事故。()
A.正确
B.错误
[单选题] 我国能源需求总量增长逐渐放缓,预计在(____)年左右达峰。
A.2020
B.2025
C.2030
D.2035"
[单项选择]2011年1月20日,重庆、上海正式试点开征房产税,全国范围将适时推广。下列关于开征房产税的意义表述不正确的是()
A. 增加财政收人,优化经济结构
B. 实施紧缩的货币政策,遏制房价过快上涨
C. 调节收人差距,促进社会和谐
D. 引导房地产市场健康发展,防止楼市泡沫
[单选题]各网点在营业日( )之前收到的桂林市财政局签发的《财政直接支付凭证》或预算单位签发的《财政授权支付凭证》,须将代理支付的财政性资金在当日汇出
A.9:00
B.12:00
C.15:00
D.18:00
[单项选择]与SE序列相比,FSE序列的优点是()
A. 成像速度加快
B. 图像对比度增加
C. 脂肪信号增高
D. 能量沉积减少
E. 图像模糊效应减轻