热门试题:
[单选题]塔式起重机工作时,风速应低于( )级。
A.4
B.5
C.6
D.7
[判断题]在开立对背信用证时,原通知行成为新的开证行,承担付款责任。原信用证的开证行也对新证承担付款责任。 ( )
[单选题]低压触电时,因触电者的身体是带电的,其鞋的绝缘也可能遭到破坏,救护人不得接触触电者的皮肤,也不能抓他的鞋。
A.正确
B.错误
C.略
D.略
E.略
F.略
[判断题]轻症中暑除了先兆中暑表现外,还可出现以下症状:面色潮红、皮肤灼热、心悸胸闷、体温升高38.5摄氏度以上、大量冒汗、脉搏加快等。
A.正确
B.错误
[单选题]最近十几年,北亚的气候普遍比较凉。但是,在北亚的日平均气温和湿度比正常水平稍高的前年,那儿生长的庄稼的年产量却显著增加。在下个世纪,像前年那样增高的日平均气温和湿度将有望成为北亚的正常状态。然而科学家预测,在下个世纪北亚大多数地区的庄稼的年产量会下降。下面哪一项如果正确,最能有助于解释以上信息中的矛盾?( )
A.即使南亚地区的日平均气温和湿度都比现在有所增加后,那儿的庄稼产量有望保持不变
B.任何有关温度和湿度的增加,都伴随着大气中二氧化碳含量的升高,二氧化碳对农作物的呼吸是至关重要的
C.北亚最近十几年的气候普遍太冷太干燥,使得许多庄稼害虫不能大规模地生长
D.在亚洲的许多地方,气候变得温暖湿润致使每年的降雨量增加,从而使大多数的可食作物茂盛地生长
[单选题]电缆构筑物施工中的排水沟及集水坑应与侧壁可不保持距离,不影响基坑施工。
A.正确
B.错误
[单选题]下列哪种情况可以不用办理新的工作票?
A.A.需变更安全措施时
B.B.需增设安全措施时
C.C.工作票有污损不能继续使用时
D.D.在原工作票的安全措施范围内增加工作任务,且负责人已征得工作票签发人和工作许可人同意
[单项选择]从空调组件出来的低温空气如何满足较高区域温度的要求()
A. 通过热交换器加热区域供气管道空气
B. 向区域供气管道加入适量的调节空气来提高空气温度
C. 通过混合活门增加热空气流量来增加空气温度
D. 通过组件温度控制活门增加热空气流量来增加温度
[多项选择]关于小儿口炎的护理正确的是()。
A. 鼓励多饮水
B. 进食后漱口,保持口腔粘膜湿润和清洁
C. 涂药后嘱患儿闭口10分钟,不可立即漱口、饮水或进食
D. 纠正小儿吮指、不刷牙等不良习惯
E. 以高能量、高蛋白、含丰富维生素的温凉流质或半流质为宜
[单选题]用电检查资格分为()类。
A.一
B.二
C.三
D.四
[单选题]《铁路乘车证管理办法》第十一条规定,铁路职工到其他单位驻勤,符合通勤条件的,可按规定使用( )乘车证。
A.定期通勤
B.通勤
C.硬席
D.软席
[判断题]架空导线是架空电力线路的主要组成部件,其作用是传输电压。( )
A.正确
B.错误
[多选题]《中国电业安全工作规程热力和机械部分》(QB 26164.1-2010)
3-2.12规定:( )等处,不准放置杂物。
A.门口
B.通道
C.楼梯
D.平台
[单项选择]马克思主义法学认为,不能笼统地看待法与道德的关系,不能把法律与道德区别绝对化,甚至否认它们之间的必然联系。下列有关法与道德的联系的论述错误的为( )。
A. 法的实施可以培养和提高人们的道德观念
B. 道德必须以法律作为价值基础
C. 道德的状况制约着立法的发展
D. 道德是法律的评价标准和推动力量
[单选题]冲洗空调时,高压水枪水压调至( )左右,用水枪冲洗蒸发器,注意水枪喷头调成排状喷水,垂直冲洗,以免将翅片冲倒,待流出的水不浑浊、无异物方可。
A.15bar
B.20bar
C.25bar
D.30bar
[填空题]接地体顶面埋设深度一般不小于(____)。
[多项选择]下列选项中属于油脂物证的有( )
A. 酱油
B. 动物油
C. 植物油
D. 香精油
E. 矿物油
[不定项选择题]共用题干
A Country's Standard of Living
The"standard of living"of any country means the average person's share of the goods and services the
country produces.A country's standard of living,therefore____________(51)first on its capacity to produce
wealth."Wealth"in this____________(52)is not money,for we do not live on money but on things that money
can buy:"goods",such as food and clothing,and"services",such as transport and entertainment.
A country's capacity to____________(53)wealth depends upon many factors,most of____________(54)
have an effect on one another.Wealth depends_(55)a great extent upon a country's natural re-
sources.Some regions of the world are well supplied with coal and minerals, and have fertile(肥沃的)soil
and a favorable climate;other regions_____________(56)none of them.
Next to natural resources comes the ability to_____________(57)them to use.China is perhaps as rich as
the USA in natural resources,but she suffered for many years____________(58)civil and external wars,and
for this and other_____________(59)was unable to develop her resources.Sound and stable political conditions,
and_____________(60)from foreign invasions,enable a country to develop its natural resources peacefully and
steadily,and to produce more_____________( 61)than another country equally well favored by nature but less
well ordered.
A country's standard of living does not only depend upon the wealth that is produced and_____________(62)
within its own borders,but also upon what is directly produced through international trade.For example,
Britain's wealth in food stuffs and other agricultural_____________(63)would be much less if she had to de-
pend only on those grown at home.Trade makes it possible for her surplus(剩余的)manufactured goods to
be traded abroad for the agricultural products_____________(64)would otherwise be lacking.A eountry'B
wealth is,therefore,much influenced by its manufacturing capacity,_____________(65)that other countries can
be found ready to accept its manufactures.
_________(61)
A.wealth
B.report
C.effect
D.result
[判断题]车钩风管接头内的垫圈应定时进行更换。
A.正确
B.错误
[多选题]煤矿企业、矿井的主要负责人是本单位防治水工作的第一责任人。主要负责人包含( ) 。
A.法定代表人
B.实际控制人
C.总工程师
D.地测副总工程师
[单选题]风湿性心脏病患者关键的健康指导措施是( )
A.增强机体免疫力
B.积极防治链球菌感染
C.育龄女患者须避免妊娠
D.低盐饮食
E.适度运动
[判断题]在境内我国公共航空运输企业工作的境外空勤人员应当提供无犯罪记录证明。
A.正确
B.错误
[多选题]绝缘预制件安装,应保持电缆绝缘的干燥和清洁,清除处理后的电缆绝缘表面上所有半导电材料的痕迹。涂抹( )或()时,应使用清洁的专用手套。
A.润滑油
B.硅脂
C.硅油
D.汽油
出处:运检二〔2017〕104号 《高压电缆及通道工程生产准备及验收工作审查要点》第三十一条
[单选题]房地产投资的弊端之一是投资数额巨大。不论是开发投资还是置业投资,所需的资金常常涉及到几百万、几千万甚至数十亿元人民币,即使令投资者只支付()的资本金用作前期投资或首期付款,也超出了许多投资者的能力。
A.10%
B.20%
C.30%
D.40%
[单项选择]
[听力原文]
M: I hear you are moving to a new apartment soon.
W: Yes, but it’ll be more expensive. My neighbor played the radio all night long and I couldn’t sleep.
Why is the woman moving ()
A. The new apartment is cheaper.
B. The present one is too expensive.
C. She likes to listen to the radio.
D. She needs a quieter place.
[单项选择]根据我国宪法规定,下列关于私有财产权的表述不正确的是( )。
A. 公民合法的私有财产不受侵犯
B. 国家依照法律规定保护公民的私有财产权和继承权
C. 任何人不得剥夺公民的私有财产
D. 国家为了公共利益的需要,可以依照法律规定对公民的私有财产实行征收或者征用并给予补偿
[填空题]The Internet is a{{U}} (36) {{/U}}network of computers{{U}} (37) {{/U}}all over the world that communicate with each other.
The Internet is an international collection of computer networks that all understand a{{U}} (38) {{/U}}system of addresses and commands, connected together through backbone systems. It was started in 1969, when the U.S. Department of Defense{{U}} (39) {{/U}}a nationwide network to connect a handful of universities and contractors. The{{U}} (40) {{/U}}idea was to increase computing{{U}} (41) {{/U}}that could be shared by users in many locations and to find out what it would take for computer networks to
{{U}} (42) {{/U}}a nuclear war or other disaster by providing multiple paths between users. People on the ARPNET (as this nationwide network was originally called) quickly discovered that they could{{U}} (43) {{/U}}messages and conduct electronic "conferences" with distant colleagues for purposes that had nothing to do with the military industr
[判断题]货物列车中因装载的货物规定需停止制动作用的车辆,而关闭折角塞门的车辆,称为关门车。
A.正确
B.错误
[单选题] 夹攻是指用一部分灭火力量进入建筑物的内部灭火,同时用其余灭火力量在建筑物的外部灭火的战法,下列不适用于夹攻战术的是()
A.
B. 建(构)筑物或物体内外都已燃烧时
C. 建(构)筑物或物体局部燃烧时
D. 多层建筑或高大生产装置燃烧时
[单选题]中国古代的青铜指()按一定比例的混合合金。
A.铜、铁、铝
B.铜、锡、铅
C.铜、煤、木
D.铜、镍
[单选题]()主要是在不同种类的金融工具之间进行融合,使其形成具有特殊作用的新型混合工具,以满足投资人或发行人的多样化需求
A.无套利均衡分析技术
B.整合技术
C.组合技术
D.分解技术
[单项选择]John withdrew from political life and as ______ he was soon forgotten.
A. an end
B. a result
C. an outcome
D. an event
[多项选择]下列四种说法,哪种正确()?
A. 在构件上涂阿洛丁(AlodinE.生成的氧化膜比阳极化处理生成的氧化膜质软。
B. 在构件上涂阿洛丁(AlodinE.生成的氧化膜比阳极化处理生成的氧化膜质硬。
C. 凡需要涂耐燃油底漆的非阳极化构件,应涂Alodine 1000。
D. 凡需要涂耐燃油底漆的非阳极化构件,应涂Alodine 1200。
[多项选择]气体保护电弧焊中,钨极惰性气体保护焊的优点包括( )。
A. 可焊有色金属、不锈钢等各种合金
B. 适用于超薄板材料焊接
C. 可进行各种位置的焊接
D. 熔敷速度快,生产率较高