热门试题:
[单选题]250km/h(不含)~300km/h线路轨道动态质量容许偏差管理值中,高低(波长1.5~42m)Ⅰ级为( )。
A.5mm
B.6mm
C.8mm
D.10mm
[单选题]煮沸消毒所需要时间应从( )
A.水热后算起
B.加水后算起
C.放入器械后算起
D.煮沸后算起
[单选题]变压器励磁涌流含有大量高次谐波,其中以(____)谐波为主。
A.二次
B.三次
C.五次
D.七次
[单选题]( )携带器材登杆或在杆塔上移位。
A.允许
B.经工作负责人同意可
C.不宜
D.禁止
[多选题]倾斜晃动欧罗巴系列欧元纸币,正面右侧的全息条部分会出现_____。( )
A.门窗图案
B.欧罗巴肖像
C.欧元符号
D.面额数字
[单选题]蓄电池容量的公式( )。
A.电池容量(理论值)=放电电流X放电时间(小时)
B.电池容量(理论值)=放电电压X放电时间(小时)
C.电池容量(理论值)=放电电流×放电时间(分钟)
D.电池容量(理论值)=放电电压×放电时间(分钟)
[单项选择]According to the passage, mathematicians present a danger to scientists because ______.
A. mathematicians may provide theories that are incompatible with those already developed by scientists
B. mathematicians may define situation in a way that is incomprehensible to scientists
C. mathematicians may convince scientists that theoretical assumptions are facts
D. scientists may come to believe that axiomatic statements are untrue
[判断题]颅内压升高持续超过2 . 0 kPa 时可诊断为颅内压增高。
A.正确
B.错误
[判断题]根据企业所得税法及其实施条例的规定,即使企业实际发生的合理的工资薪金,也不准予扣除。
[单选题]实现有符号数“>=”转移的指令是( )。
A.JAE/JNB
B.JBE/JNA
C.JGE/JNL
D.JG/JNLE
[单项选择]无尿是指24小时尿量少于
A. 200ml
B. 250ml
C. 300ml
D. 100ml
E. 50ml
[判断题]压力表的量程越大,同样精度等级的压力表,它测得压力值的绝对值允许误差越大。()
A.正确
B.错误
[单选题]非运维人员进行的低压测量工作,宜填用( )。
A.配电第一种工作票
B.配电第二种工作票
C.配电带电作业工作票
D.低压工作票
[单选题]通常材料屈服强度由拉伸试验 P- △L 曲线上的 ( ) 决定。
A.载荷首次下降的最低点
B.上屈服点
C.下屈服点
D.屈服阶段的平均值
[单项选择]多功能橙卡可以支持拨号上网,其中上网的用户名为()
A. 橙卡卡号@169
B. 橙卡卡号
C. 橙卡卡号@16900
D. 橙卡卡号@163
[单项选择]下列条件中不是岩溶发育的必需条件为( )。
A. (A) 具有可溶性岩层
B. (B) 具有溶解能力(含CO2)和足够流量的水
C. (C) 地表水有下渗、地下水有流动的途径
D. (D) 存在断裂褶皱等地质构造
[判断题]车辆行驶途中,驾驶员应加强行车观察,驾驶员不得接打电话和疲劳驾驶。
A.正确
B.错误
[单项选择]
Passage Two
Everybody may have seen the film "Death on the Nile (尼罗河) ," but nobody can imagine that the writer of the story, Agatha Christie, saved a baby in a most unusual way.
In June 1977, a baby girl became seriously ill in Deleville. Doctors there were unable to find out the cause of her illness, so she was sent to a famous hospital in London, where there were many excellent doctors. The baby was so seriously iii that a team of doctors hurried to examine her without any delay. The doctors, too, were puzzled by the baby’s illness, and they also became discouraged. Just then a nurse asked to speak to them.
"I think the baby is suffering from thallium (铊) poisoning," said the nurse~ "A few days ago, I read a story ’A Pale Horse’ written by Agatha Christie. Someone uses thallium poison, and all the symptoms (症状) are written in the book. They are exactly the same as the baby’s."
"Yo
A. a doctor in Deleville
B. a famous doctor
C. Agatha Christie
D. an ordinary nurse
[判断题]邻近带电线路工作时,人体、导线、施工机具等与带电线路的距离如满足表5-1的规定,作业地点的导线、绞车等牵引工具可不用接地。
A.正确
B.错误
[单项选择]3岁男孩,蛋、鱼、肉、青菜、水果等均喜欢吃,每天喜欢饮冷鲜牛奶,常于食牛奶后诉脐周痛。近3个月面色差,易发热、咳嗽,大便1~2次/日,稍稀。查体:面色苍白,心尖部Ⅰ级收缩期杂音,双肺未见异常,腹平软,肝脾未触及。Hb80g/L,RBC3.5×1012/L,MCV67fl,网织红细胞0.015。大便潜血试验(+)。最可能诊断是()
A. 地中海贫血
B. 营养性缺铁性贫血
C. 营养性巨幼细胞贫血
D. 肺含铁血黄素沉着症
E. 再生障碍性贫血
[填空题]电容器容量不能任意变动,个别电容器损坏时,应更换()和()相同产品,并经试验合格方可投入运行。
[填空题]在下列描述词后面填上合适的化学键:
(1)连接核糖和磷酸的____键。 (2)在两条DNA链间搭桥的_____键。
(3)连接碱基和糖的_____ 键。 (4)在RNA中连接核苷酸的_____键。
[多选题]以下哪些工位需要更换切刀()
A.大面包膜
B.贴L胶
C.折边机构
D.焊印贴胶
[填空题]停电线路、设备的断开点,应有能够反映线路、设备运行状态的电气和机械等指示。无明显断开点也无电气、机械等指示时,应断开( )。
[单项选择]处方中“立即”的缩写词是
A. Sig.
B. cito!
C. stat.!
D. lent!
E. Inhat.
[填空题] Many teachers watch and listen while speaking activities are taking place. They note down things that seemed to 【B1】______ well and times when students couldn’’t make themselves 【B2】______ or made important mistakes. When the activity has finished, they 【B3】______ ask the students how they thought it before giving their own feedback. They may say that they liked the way Student A said this and the 【B4】______ Student B was able to disagree 【B5】______ her. They will then say that they did hear one or two mistakes and they can then either discuss them with the class, write them on the board 【B6】______ give them individually to the students 【B7】______. In each case, they will ask the students to see if they can 【B8】______ the problem and correct it.
As with any kind of correction, it is important not to single students 【B9】______for particular criticism. Many teachers 【B10】______ with the mistakes they heard 【B11】 ______saying who made them.
Of course, there are no hard and f
A. A.up
B.out
C.off
D.away
[判断题]车辆溜入区间后,由于及时采取措施而未造成损害,不列事故。
A.正确
B.错误
[单选题] 重力式码头抛石基床对块石有多项要求,下列各项( )不符合要求。
A.无严重裂纹
B.未风化的块石
C.宜采用10~100kg块石
D.对于不夯实的基床,块石饱水抗压强度不低于50MPa
[单选题]建立鲜活农产品运输信用体系。对一年内混装不符合规定品种(或物品)超过3次或者经查验属于假冒的鲜活农产品运输车辆,记入( )。
A.“黑名单”
B.“白名单
C.”灰名单
D.“状态名单”
[单选题]省直机关要持续开展“提振精气神、争当内行人”机关党务干部业务培训、党建知识和( )竞赛。
A.党务技能
B.业务技能
C.专业知识
D.理论学习
[单项选择]混凝土理论配合比应根据设计的混凝土()等级和原材料质量检查结果以及混凝土施工和易性等要求确定。
A. 保水性
B. 整体性
C. 密实性
D. 强度
[多选题]SF6电气设备典型放电故障会产生哪些分解产物?( )
A.SOF2
B.SO2F2
C.SO2
D.HF
E.H2S
[单选题]宫颈癌常用普查方法是
A.宫颈刮片细胞学检查
B.宫颈和宫颈管活组织检查
C.分段诊断性刮宫
D.B超检查
E.X线检查
[判断题]办公楼给排水系统初次运行满8年,以后每满5年属行政办公大修项目
A.正确
B.错误
[单选题]自备罐车罐体纵向中部涂刷一条宽300mm的黑色水平环形色带,表示货物的主要特性为( )。
A.易燃性
B.氧化性
C.毒性
D.腐蚀性
[判断题]变压器大盖沿气体继电器方向坡度为2—4%。( )
A.正确
B.错误
[单项选择]“鼓励和促进土木工程技艺和科学的发展,为鼓励本行业在全世界的创新和优秀成果提供资源”是()建立的宗旨。
A. 英国土木工程师学会
B. 英国工程咨询协会
C. 美国建筑师学会
D. 美国工程公司协会
[单项选择]在“学者多诵习而取则焉”中,“则”的意义是()
A. 效法
B. 法则
C. 条文
D. 遵循
E. 依从
[判断题]公共部位每周二进行一次集中清扫。( )
A.正确
B.错误