[单选题]防护栅栏内有闲杂人员，在处置人员到达处置地点前，列车调度员应口头指示后续上下行列车以不超过（ ）的速度通过发现闲杂人员地段（司机报告地点前后各加2km）。
A.160km/h
B.120km/h
C.80km/h

[填空题]电流表、电流互感器及其他测量仪表的接线和拆卸，需要断开高压回路者，应将此回路所连接的设备和仪器全部（）后，始能进行。

[单项选择]停放制动当主风缸下降到（）bar停放制动会自动施加。
A. 4.5bar
B. 4.8bar
C. 3.5bar
D. 5bar

[单选题]异烟肼的抗菌作用特点是
A.对静止期结核杆菌无抑菌作用
B.对其他细菌也有效
C.对生长旺盛的活动期结核杆菌有强大的杀灭作用
D.单用不易产生耐药性
E.与其他同类药间有交叉耐药性

[判断题]合格投资者应当且只能委托托管人向中国结算公司申请开立一个证券账户。( )

[不定项选择题]共用题干 Migrant Workers
In the past twenty years,there has been an increasing tendency for workers to move from one country to another.______(51)some newly independent countries have understandably restricted most jobs to local
people,others have attracted and welcomed migrant workers.This is particularly the case in the Middle East,______(52)increased oil incomes have enabled many countries to______(53)outsiders to improve local facilities.______(54)the Middle East has attracted oil-workers from the USA and Europe.It has brought in construction workers and technicians from many countries,______(55)South Korea and Japan.
In view of the difficult living and working conditions in the Middle East,it is not______(56)that the pay is high to attract suitable workers.Many engineers and technicians can earn at least______(57) money in the Middle East as they can in their own country,and this is a major attraction.An allied benefit is the low taxation or complete lack of it.This increases the net amount of pay received by visiting workers and is very popular with them.
Sometimes a disadvantage has a compensating advantage.______(58),the difficult living conditions often lead to increased friendship when workers have to depend on each other______(59)safety and comfort.______(60),many migrant workers can save large sums of money partly______(61)the lack of entertainment facilities.The work is often complex and full of problems but this merely presents greater challenge to engineers who prefer to find solutions______(62)problems rather than do routine work in their home country.
One major problem which______(63)migrant workers in the Middle East is that their jobs are temporary ones.They are nearly always on contract,so it is not easy for them to plan ahead with great confidence.This is to be expected since no country welcomes a large number of foreign workers as permanent residents.______(64),migrant workers accept this disadvantage,along with others,because of the ______(65)financial benefits which they receive. 65._________
A.considerable
B.considerate
C.considered
D.considering

[单选题]对隧道空间较小的火灾时，可使用灌注(　　)进行窒息性灭火。
A.低倍数泡沫
B.中倍数泡沫
C.高倍数泡沫
D.抗溶性泡沫

[单选题]茶叶中的咖啡碱不具有( )作用。
A.兴奋
B.利尿
C.调节体温
D.抗衰老

[单项选择]在给定的反应温度和压力下，乙苯的转化率随着水比的减小而（）。
A. 不变
B. 增加
C. 减少
D. 说不清楚

[判断题]空压机紧急停车时，可以用撬棍插入飞轮或皮带轮底下，猛卡传动部，迫使空压机立即停机。
A.正确
B.错误

[名词解释]PPR管

[判断题]生产经营单位应当加强对从业人员的安全生产教育和培训。对新进从业人员和采用新工艺、新技术、新材料或者使用新设备新上岗从业人员,进行厂、车间、岗位三级安全生产教育和培训,对在岗的从业人员应当进行安全生产再教育和再培训。非经安全生产教育培训合格的从业人员,不得上岗作业。
A.正确
B.错误

[多选题]企业计算应缴纳的下列税金中，应在“税金及附加”科目借方核算的有（　　）。
A.企业生产经营用房应缴纳的房产税
B.处置机器设备应缴纳的增值税
C.销售应税消费品缴纳的消费税
D.开采销售应税矿产品缴纳的资源税
E.房地产企业销售自建商品房缴纳的土地增值税

[多选题]ZPW-2000A型轨道电路为上行载频频率有（ ）.
A.1701
B.1999
C.2301
D.2599

[单选题]中压圆形金属风管的允许漏风量，应为矩形风管规定值的（ ）%
A.30
B.40
C.50
D.100

[单项选择]工程质量是在施工单位按合格质量标准自行检查评定的基础上，由监理工程师（或建设单位项目负责人）组织有关单位、人员进行检验确认验收。这种评价方法体现了“（）”的指导思想。
A. 验评同步、强化验收、完善手段、过程控制
B. 验评同步、强化验收、完善手段、结果控制
C. 验评分离、强化验收、完善手段、过程控制
D. 验评分离、强化验收、完善手段、结果控制

[单选题]聚合反应器11301顶部封头使用( )。
A.低压氮气
B.中压氮气
C.高压氮气
D.中压蒸汽

[单选题]胸腔恶性积液最常见的疾病是（）。
A.乳腺癌
B.原发性周围型肺癌
C.胃癌
D.大肠癌
E.原发性间皮瘤

[单项选择]“囚徒困境”是一种（）的博弈状况。
A. 合作性
B. 竞争性
C. 团队性
D. 非合作性

[判断题]功率单元板接受主控单元发来的控制信号，经过解码生成脉冲控制IG×T的通断，产生补偿电流。
A.正确
B.错误

[单选题]根据《建筑安装工程费用项目组成》，下列费用中，属于材料费的是（）
A.施工机械折旧费
B.运输损耗费
C.仪器仪表使用费
D.固定资产使用费

[单选题]能够满足中国合格境外投资者（QFII）资格审查的，一般而言都是经营时间较长、运作规范、管理资产经验丰富的境外机构，其目的是（　　）。
A.吸引境外机构进行中长期投资，维护市场中长期稳定的导向
B.引人更多的境外机构，达到市场迅速扩大目的
C.支持境内机构走出去，保证国内外同步经营
D.限制境外投资者进入我国市场

[单选题] 概念与语词的关系是()。
A.所有的语词都是表达概念
B.所有的语词都不表达概念
C.所有的概念都要通过语词来表达
D.有的概念不通过语词来表达

[单项选择]

Dear Jones,
You have asked me for suggestions on how to get along in the United States. It is difficult to give advice, but I have found the following "dos" and" don’ts" helpful.
As a (21) . it isn’t easy to find anyone to talk to in a big city. However, here are some suggestions. First, get or borrow a dog! Walk him several times a day! Americans love dogs and usually stop to talk to anyone with a dog. Then, try to eat in a cafeteria. People generally (22) the same tables and will sometimes talk to you if they see that yon are a (23) . Next, take your dirty (24) to a laundry (洗衣店)! It takes about an hour to wash and dry, and many people wait there. They often pass the (25) talking to the other customers. (26) ask for information from a woman, if you are a (27) , and from a man, if you are a woman. It seems to get (28) results for a reason I can’t understand. Learn the
A. strong
B. young
C. fat
D. weighty