A | B | C |
[单选题]调制解调器的作用是( )。
A.为了上网与接电话两不误
B.将模拟信号转换成计算机的数字信号,以便接收
C.半计算机的数字信号转换成模拟信号,以便发送
D.将计算机数字信号与模拟信号互相转换,以便传输
[单选题]下列情况不属于钢轨折断。
A.钢轨全截面断裂
B.裂纹贯通整个轨头截面
C.裂纹贯通整个轨底截面
D.裂纹贯通整个轨腰截面
[判断题]汽轮机正常停机,当转子静止即应启动盘车,连续运行。
A.正确
B.错误
[判断题]整侧车门无法关闭,需清客,重启司机台。
A.正确
B.错误
[单项选择]脉诊的“寻”法是指()
A. 轻按寸口
B. 重按寸口
C. 用力不轻不重按寸口
D. 三指同按寸口
E. 一指按其寸口一部
[单选题]>车速越高,制动距离( )。
A.不变
B.越短
C.越长
D.与车速无关
[单项选择]The world"s greatest snow-capped peaks, which run in a chain from the Himalayas to Tian Shah
1
the border of China and Kyrgyzstan, have lost no ice
2
the last decade, new research shows.
The discovery has stunned scientists, who
3
that around 50bn tons of meltwater
4
each year and not being replaced by new snowfall.
The study is the first to survey all the world"s icecaps and glaciers and was made
5
by the use of satellite data. Overall, the contribution of melting ice outside the two largest caps— Greenland and Antarctica—is much
6
than previously estimated, with the lack of ice loss in the Himalayas and the other high peaks of Asia
7
most of the discrepancy.
Bristol University glaciologist Prof Jonathan Bamber, who was not part of the research team, said, "The very unexpected result was the negligible mass loss from high mountain Asia which is not
8
different from zero. "
The melting of Himalayan glaciers caused
9
in 2009 when a report from the UN"s Intergovernmental Panel on Climate Change mistakenly stated that they would disappear by 2035, instead of 2350.
10
, the scientist who led the new work is clear that while greater uncertainty has been discovered in Asia"s highest mountains, the melting of ice caps and glaciers around the world
11
a serious concern.
"Our results and those of everyone else show we are losing a huge amount of water into the oceans every year," said Prof John Wahr of the University of Colorado. "People should be just as worried about the melting of the world"s ice as they were before. "
His team"s study, published in the journal Nature, concludes that between 443-629bn tons of meltwater overall are added to the world"s oceans each year. This is
12
sea level by about 1.5mm a year, the team reports,
13
the 2mm a year caused by expansion of the warming ocean.
The scientists are careful to point out that lower-altitude glaciers in the Asian mountain ranges—sometimes dubbed the "third pole" —are
14
melting. Satellite images and reports confirm this. But over the study period, enough ice was added to the peaks to
15
.
A. impossible
B. possible
C. unavailable
D. available
[判断题]《关于进一步规范全省农村商业银行系统贷款呆账核销管理的指导意见》规定,严禁对核销贷款借款人和担保人新增任何形式自用或担保贷款,形成倒逼借款人或担保人偿还核销贷款的机制。
A.正确
B.错误
[单选题]女54岁,患风湿性二尖瓣闭锁不全多年,用地高辛和氢氯噻嗪维持疗效,但近日呼吸困难加重,夜间频繁发作,心慌,两肺满肺野湿性哕音,经检查左室舒张期充盈压明显升高。除上述药物外,该加用哪种药物进行治疗
A.米力农
B.多巴胺
C.硝普钠
D.氨力农
E.卡托普利
[单选题]腹部损伤的急救措施中,下列错误的是
A.保持呼吸道通畅,抗
休克
B.闭合伤尽快明确有无腹
腔内脏器损伤
C.开放伤包扎腹壁伤口,
注意伤道是否与腹腔想
D.肠管脱出及时送回腹腔
E.明确有内脏损伤的及时
手术探查
[简答题]怎样处理TYJL-Ⅱ型计算机联锁系统联锁机故障?
[单选题]做泄压措施前,应先检查确认检修的设备和系统确与运行部分可靠地隔离,然后方可( )开启有关阀门进行泄压。
A.A.先快后慢
B.B.快速
C.C.缓慢
D.D.随意
[单项选择]超声声束通过肝内含脂肪的肿块时,其后面的膈肌回声显示会()。
A. 比实际靠近
B. 比实际远
C. 不受影响
D. 看不见
[单选题]政府机构、商业组织和教育机构的顶级域名分别用( )表示。
A.gov、edu和com
B.com、gov和edu
C.gov、com和edu
D.edu、com和gov
[判断题]人机分工TFDS动态检查范围和质量标准规定:铁路货车缓解阀拉杆、空重车调整杆无破损 。( )
A.正确
B.错误
[单选题] 可燃气体混合物的初始温度越高,使爆炸下限(),上限增高,爆炸极限范围增大。
A.不变
B.增高
C.降低
[单选题](第三十三条)尽可能从上风方向进入有毒区域,出水掩护或降毒的供水线路应不少于( )路,且应来自不同的供水车辆。(B)
A.1
B.2
C.3
D.4
[多选题]什么的车辆机动性较好。
A.轴距短
B.转弯半径小
C.轴距长
D.转弯半径大
[填空题]在泰勒的《课程与教学的基本原理》中,()成为“泰勒原理”的基本构成。
[多项选择]加快成倍节拍流水施工的特点是( )。
A. 同一施工过程在各施工段的流水节拍成倍增加
B. 相邻专业队的流水步距相等
C. 专业队数大于施工过程数
D. 各专业队在施工段上能够连续作业
E. 加快的成倍节拍流水施工属于有节奏流水施工
[单选题]在汛期暴风雨中行车,当洪水漫到路肩时,列车应按规定()。
A.加强瞭望
B.限速运行
C.立即停车
[简答题]合成塔入口气体氨含量为3%,出口气体氨含量为14%,求氨净值。
[多选题]电能计量回路故障包括()。
A.失压
B.电流开路、短路
C.相序错误
D.接线错误
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