热门试题:
[单项选择] Come to Austria(奥地利)
Soll is a village in the mountains in western Austria. And the Post Hotel is clean and not ex pensive. It is opened by a local family. From the hotel you can see the whole village, the forests and the mountains. Temperatures(气温) in summer are usually 20℃ to 25℃ in the daytime, but much cooler by evening.
Enjoy Thailand(泰国)!
When you visit Bangkok(曼谷) in Thailand, don’t miss the early morning river boat trip to the Floating Market(水上市场) just outside the city. There you will find many kinds of fruits and vegetables. And you can pay for them when you sit in your boat. Don’t forget your hat: the sun can be strong and it may be as hot as 40℃ at noon.
Visit Hawaii(夏威夷)!
Maybe the most beautiful place in Hawaii is Kauai. You can visit its long, sandy beaches in the south and west of the island, and mountains and forests in the north, but don’t be surprised if it rains in the centre of the island. Daytime
A. travel
B. food
C. shopping
[判断题]实践证明涂装前钢材表面裂纹、气孔的质量好坏。严重影响涂装工程的质量，其影响程度约占诸多因素的一般。
[判断题]储存易燃、易爆液体或气体仓库的保管人员，应穿着棉、麻等不易产生静电的材料制成的服装入库。（）
A.正确
B.错误
[单选题]违约责任的承担方式不包括（ ）。
A.赔礼道歉
B.定金罚则
C.继续履行
D.支付违约金
[单项选择]太空经济是指太空探索和开发活动创作的产品、服务等，______通信、金融、医疗、国防等领域，以及新兴的太空旅游等服务。太空经济与科技、社会进步和产业发展具有很强的______性，太空活动的各项技术往往都具备向其他行业转化的潜能。
A. 包括 对比
B. 跨域 一致
C. 涵盖 关朕
D. 涉及 互补
[单项选择]Thousands. of young people have learned ______ cars.
A. drive
B. driving
C. drove
D. to drive
[单项选择]
The study of social science is more than the study of the individual social sciences. Although it is true that to be a good social scientist you must know each of those components, you must also know how they interrelate. By specializing too early, many social scientists can lose sight of the interrelationships that are so essential to understanding modern problems. That’s why it is necessary to have a course coveting all the social sciences. In fact, it would not surprise me if one day a news story such as the one above should appear.
The preceding passage placed you in the future. To understand how and when social science broke up, you must go into the past. Imagine for a moment that you’re a student in 1062, in the Italian city of Bologna, site of one of the first major universities in the Western world. The university has no buildings. It consists merely of a few professors and students. There is no tuition fee. At the end of a professor’s lecture, i
A. social science is a united science, and cannot be divided into subfields
B. social science may be further divided into smaller parts as the amount of knowledge and information expanding
C. there may be a Renaissance Man in the future
D. the best way to deal with the expansion of information is to know everything
[判断题]第一，二种工作票的有效时间，以批准的检修期为限。
[填空题]青岛港是（）和（）的主要输出港，也是我国仅次于上海、深圳的第三大集装箱运输港口。
[单项选择]下列塑料中，不属于热塑性塑料的是（）。
A. 聚氯乙烯
B. 聚苯乙烯
C. 聚丙烯
D. 环氧塑料
[单选题]人体电阻一般在( )欧之间。
A.500-1500
B.1000-2000
C.1500-2000
[单项选择]与配比原则存在内在联系的会计核算原则是( )。
A. 明晰性原则
B. 权责发生制原则
C. 谨慎性原则
D. 历史成本原则
[单选题] 福祥借记卡持卡人可凭卡在贴有“银联”标识的POS机上购物消费,但单位卡不得用于( )以上的商品交易、劳务供应款项的结算。
A.1万元
B.5万元
C.10万元
D.20万元
[判断题]多机运行，解除牵引力时本务机车解除后附挂机再解除。
A.正确
B.错误
[单选题]大篆：楷书
A.诗经：卫风
B.颜真卿：欧阳询
C.宋词：元曲
D.五经：春秋
[单项选择]Times评选出来的上个世纪的代表人物是（）
A. 普朗克
B. 费曼
C. 爱因斯坦
D. 牛顿
[单选题]《铁路旅客运输规程》规定,通票的有效期按乘车里程计算,( )以内为两日。
A.800km
B.400km
C.1000km
D.600km
[单项选择]Running both IPv4 and IPv6 on a router simultaneously is known as what？（）
A. 4to6 routing
B. 6to4 routing
C. binary routing
D. dual-stack routing
E. NextGen routing
[单选题]高可用不是 RDS 的关键功能特性。
A.TRUE
B.FALSE
[单选题]线路曲线地段，未被平衡过超高不应大于（ ）mm。
A.20
B.30
C.40
D.50
E.60
F.70
[判断题]设计基础时选用不等高腿型主要是因为地形原因造成各腿受力不同。
A.正确
B.错误
[单选题]广播电视______新闻及同类专题、专栏等节目只能由广播电视播出机构制作。
A.社会
B.民生
C.时政
[单选题]吊柱固定螺栓外露长度不得小于( )mm。
A.10
B.20
C.30
D.40
[单选题]开采容易自燃，自燃煤层及地温高的矿井采煤工作面应设置温度传感器。温度传感器的报警值为（ ）。
A.36℃
B.30℃
C.34℃
D.26℃
[单选题]关于突触传递的下述特征中，哪一项是错误的
A.单向传递
B.中枢延搁
C.兴奋节律不变
D.总和
E.易疲劳
[判断题]开展出水科目训练前，检查出水器材性能，磨损严重、性能下降明显的器材装备不得用于出水训练。
A.正确
B.错误
[单选题]B-B-018 2 2 2
真空灭弧室触头材料有( )两大类。
A.铝合金和铜
B.铜铋和铜铬合金
C.铜铝和铜钨合金
D.铜和铬
[单项选择]对急性骨髓炎的预后起决定意义的因素是（）
A. 联合应用大剂量有效抗生素
B. 尽早施行软组织和骨膜切开引流术
C. 少量多次输新鲜血并补液
D. 尽早施行骨开窗引流术
E. 早期诊断和早期治疗
[判断题]波分复用器的作用是将两路相同的光信号合为一路进行传输，或将光信号分为两路进行传输。
A.正确
B.错误
[单选题]列车运行途中司机发现客车车辆轮轴故障、车体下沉（倾斜）、车辆剧烈振动等危及行车安全的情况时，须立即采取停车措施，停车后由（ ）负责检查处理。
A.机车乘务员
B.车辆乘务员
C.车站（助理）值班员
[判断题]上下车切换阀可实现上下车油路的平稳切换和安全互锁。(中)( )
A.正确
B.错误
[单项选择]如果表达式x * y + z中，“ * ”是作为友元函数重载的，“+”是作为友元函数重载的，则该表达式还可为 （ ）。
A. public void method( )
B. public void method( ) throws Exception
C. public void method( ) throw TimedoutException
D. public throw TimedOutException void method( )
[判断题]任何单位和个人不得跨规定的使用区域携带、邮寄、运输空白发票。（ ）
A.正确
B.错误
[单选题] ( 单选题 ) 乙炔气瓶是贮存和运输乙炔气的专用压力容器,瓶体表面为( )。
A. 天蓝色
B. 黑色
C. 白色
[单选题]钢轨焊接后开始热打磨时,将钢轨轨头顶面及两侧打磨至与既有钢轨基本平齐,顶面焊缝应高于钢轨面( )mm,以防止冷却后造成焊缝低塌。
A.0.3~0.5
B.0.5~0.8
C.0.8~1
D.1~1.5
[单项选择]混凝土中矿物掺合料宜与（）同时使用。
A. 引气剂
B. 膨胀剂
C. 缓凝剂
D. 高效减水剂
