热门试题:
[单选题]患者，男 ，29岁。头痛而胀，发热恶风，口渴欲饮水，面红且赤，舌红苔黄，脉浮数，用药首选
A.荆芥、防风
B.葛根、升麻
C.柴胡、葛根
D.细辛、羌活
E.川芎、白芷
[单选题]单城市建成区的消防水鹤间距宜为( )。
A.1700m
B.1500m
C.1200m
D.1000m
[单选题]空气预热器是利用锅炉尾部烟气热量来加热锅炉燃烧所用的( )。
A.给水;
B.空气;
C.燃料;
D.燃油。
[填空题]异步电动机用Y／△切换起动的起动方式叫（）起动。
[单选题]公共区域内安装计量箱时，应可靠固定，并应注意与水、热、天然气等管线留有（ ）的安全距离。
A.正面
B.侧面
C.左面
D.右面
[单选题]候机楼耐火等级不应低于()级。
A.A、一
B.B、二
C.C、三
D.D、一或二
[单选题]依据《中国南方电网有限责任公司电力安全工作规程》规定，低［电］压是指()及以下电压等级。
A.1kV
B.6kV
C.380V
D.220V
[判断题]链条（手扳）葫芦使用前应检查吊钩、链条、转动装置及制动装置，吊钩、链轮或倒卡变形以及链条磨损达直径的10%时，禁止使用。
A.正确
B.错误
[单选题]喉阻塞呼吸困难的程度是气管切开时机的重要依据。下列哪种情况原则上应该切开,也可严密观察( )
A. I 度呼吸困难
B. II 度呼吸困难
C..Ⅲ度呼吸困难
D..IV 呼吸困难
E..V 度呼吸困难
[多选题]消防救援人员在( )等严肃庄重的时机和场合,均应当立正。
A.宣誓、接受命令
B.进见领导和向领导报告、回答领导问话
C.升降国旗、迎送队旗、
D.奏唱国歌和中国消防救援队队歌
[多选题]关于现金流量绘图规则的说法，正确的有（ ）。
A.箭线长短要能适当体现各时点现金流量数值大小的差异
B.箭线与时间轴的交点表示现金流量发生的时点
C.横轴是时间轴，向右延伸表示时间的延续
D.现金流量的性质对不同的人而言是相同的
E.时间轴上的点通常表示该时间单位的起始时点
[判断题]工作票应用钢笔、圆珠笔填写，字迹清晰，不得涂改。
A.正确
B.错误
[单项选择]在局域网中，若采用10BASE-T标准，其中数字10表示的含义是
A. 传输速率10b/s
B. 传输速率10kb/s
C. 传输距离10km
D. 传输速率10Mb/s
[判断题]小功率直流稳压电源一般由电源变压器、整流、滤波和稳压电路组成。（ ）
A.正确
B.错误
[判断题] 安全和职业病防护设备设施不应随意拆除、挪用或弃置不用,确因检维修拆除的,应采取临时措施,检维修完毕后立即复原。( )
A.正确
B.错误
[判断题]煤中矿物质的来源为：原生矿物质、次生矿物质和外来矿物质。
[单项选择]
After a busy day of work and play, the body needs to rest. Sleep is necessary for good health. During this time, the body recovers from the activities of the previous day. The rest that you get while sleeping enables your body to prepare itself for the next day.
There are four levels of sleep, each being a little deeper than the one before. As you sleep, your muscles relax little by little. Your heart beats more slowly, and your brain slows down. After you reach the fourth level, your body shifts back and forth from one level of sleep to the other.
Although your mind slows down, from time to time you will dream. Scientists who study sleep state that when dreaming occurs, your eyeballs begin to move more quickly (although your eyelids are closed). This stage of sleep is called REM, which stands for rapid eye movement.
If you have trouble falling asleep, some people recommend breathing very slowly and very deeply. Other people believe that drinking warm milk
A. your eyes move quickly
B. you dream
C. you are restless
D. both A and B
[判断题]如果干粉灭火器的储气瓶的开启是手轮式的，在使用时，按顺时针方向旋开，并旋到最高位置，然后正常使用。
A.正确
B.错误
[判断题]水和金属比较，水的导电性能更好。
A.正确
B.错误
[单项选择]For one thing, tightness in the job market seems to have given men an additional incentive to take jobs where they can find them. Although female dominated office and service jobs for the most part, rank lower in pay and status, "they’re still there," says June O’Neill, director of program and policy research at the institute. Traditionally mate blue-collar jobs, meanwhile, "aren’t increasing at all".
At the same time, she says, "The outlooks of young people are different." Younger men with less rigid views on what constitutes male or female work "may not feel there’s such a stigma to work in a female dominated field."
Although views have softened, men who cross the sexual segregation line in the job market may still face discrimination and ridicule. David Anderson, a 36-year-old former high school teacher, says he found secretarial work "a way out of teaching and into the business world". He had applied for work at 23 employment agencies for "management training jobs tha
A. he encountered some discrimination and ridicule when he was working as a secretary
B. he received encouragement and acceptance from the women secretaries
C. men make better secretaries than women do
D. men can do well in a female dominated field
[单项选择]当飞行员突遇紧急情况时，应该（）.
A. 从最坏的角度考虑自己的处境及其后果，即使感到紧张和有可能延误时机时也应该这样
B. 尽快将注意力转向解决问题的方案。并尽快执行深思熟虑的决定
C. 立刻付诸行动，哪怕是错误的行动也应该立刻执行
[单选题]10kV地下配电站房的净高度一般不小于（ ）m；若有管道通风设备、电缆桥架或电缆沟，还需增加通风管道或电缆沟的高度。
A.3m
B.3.6m
C.2.5m
D.3.2m
[单选题]车站开展携带品搬运、暂存服务业务时，可核收（ ）。
A.运输费
B.搬运、暂存费
C.运费
D.费用
[简答题]某市区化妆品生产企业为增值税一般纳税人，按月缴纳增值税和消费税，2011年5月计算失误导致漏计化妆品销售取得的含税收入42000元，2011年8月1日自行发现并实施补税。
要求：根据以上资料，按照下列序号计算回答问题，每问需计算合计数。
补交的增值税及其滞纳金。
[单选题]《铁路旅客运输规程》（铁运〔1997〕101号）规定，承运人与旅客、托运人、收货人因多收或少收运输费用时产生索赔或互相间要求办理退补费用的有效期从（）起计算为一年。
A.核收该项费用的次日
B.核收该项费用的当日
C.处理事故的次日
D.处理事故的当日
[判断题]在造粒系统开车时，要先启动熔融机而后启动切粒机。( )
A.正确
B.错误
[单选题] 新建机组或改造过的锅炉燃油系统必须经过( ),并按要求进行油循环,首次投运前必须经过燃油泄漏试验确保各油阀的严密性。(二十五项反事故措施6.1.7.1)
A.辅汽吹扫;
B.压缩空气吹扫;
C.除盐水冲洗;
[单选题] LA、L-B型制动梁采用非金属滑块磨耗板,锻造工艺制动梁为无焊缝结构,疲劳试验次数达 ( )。
A.200万次
B.230万次
C.250万次
D.270万次
[填空题]男性性腺功能减退症按照病变部位不同可分为（）、（）、（）三类。
[单项选择]工程造价控制的关键在于( )。
A. 施工前的投资决策和建设准备阶段
B. 施工前的投资决策和设计阶段
C. 施工前的设计阶段和建设准备阶段
D. 施工前的建设准备阶段和施工组织设计阶段
[单项选择]使黄曲霉毒素发生裂解的温度是（）
A. 100℃
B. 280℃
C. 180℃
D. 120℃
E. 160℃
[判断题]混床失效时，出水的电导率和二氧化硅含量同时升高。( )
A.正确
B.错误
[填空题] Every profession or trade, every art, and every science has its technical vocabulary, the function of 【B1】 is partly to 【B2】 things or processes with no names in ordinary English, and partly to secure greater exactness in terminology. 【B3】 , they save time, for it is much more 【B4】 to name a process than describe it. Thousands of these technical terms are very 【B5】 included in every large dictionary, yet, as a whole, they are rather 【B6】 the outskirts of the English language than actually within its borders.
Different occupations, however, differ 【B7】 in their special vocabularies. It 【B8】 largely of native words, or of borrowed words that have 【B9】 themselves into the very fibre of our language. 【B10】 . though highly technical in many details, these vocabularies are more familiar in sound, and more generally 【B11】 . than most other technical terms. 【B12】 every vocation still possesses a large 【B13】 of technical terms that remain essentially foreign, even 【B14】 educated people
A. A．However
B．Because
C．Hence
D．In addition
[单选题]关于标本采集,正确的是
A.尿糖定性,留12小时尿标本
B.尿妊娠试验,睡前留尿
C.痰培养标本,先朵贝溶液漱口再留取
D.查蟯虫,便盆应先加温
E.咽拭子培养,在扁桃体及咽部取分泌物
[简答题]大麦的带壳基因(N)对裸粒基因(n)为显性，散穗基因(L)对密穗基因(1)为显性，用两个品种杂交的巧代与双隐性亲本测交，得到带壳散穗375株，带壳密穗115株，裸粒散穗125株，裸粒密穗385株。
问：
(1)这两对基因是否独立遗传
(2)若不独立，基因间距离是多少
(3)若欲得到能稳定遗传的带壳密穗30株，则F2代至少需要利幢多少株
[单项选择]在肾脏疾病中出现血尿的最常见原因是什么
A. 多囊肾
B. 肾结核
C. 肾小球肾炎
D. 肾血管病变
E. 肾挫伤
[单项选择]钢丝绳卡的正确用法是（）。
A. 应把夹座扣在钢丝绳的非工作段上
B. 应把夹座扣在钢丝绳的工作段上
C. 把夹座扣在钢丝绳的工作段上或非工作段上均可
D. 两段正反交错卡在钢丝绳上
[单选题]作业人员避车时应距钢轨头部外侧距离不少于( )（另有规定除外），设有避车台（洞）的桥梁（隧道）应进入避车台（洞）避车。
A.2m
B.2.5m
C.3m
