热门试题:
[单选题]《细则》规定:探井和含H2S地区井,钻井队配备( )台以上的便携式H2S监测仪(其中至少有一台量程达到1500mg/m3(1000ppm)。
A. 3
B.5
C. 6
D. 9
[单选题] 等离子弧焊的主要缺点之一是焊缝中容易产生夹钨。 ( ) 【判断题】
A.正确
B.错误
[单选题]3号线电客车客室空调机组冷凝风机安装在()上。
A.送风室盖板
B.机组底板
C.冷凝室盖板
D.压缩机室盖板
[单选题]剧毒品运输采用剧毒品( )专用运单,并在运单上印有骷髅图案。
A. 黄色
B. 红色
C. 白色
D. 橙色
[判断题]《学生往返票办理办法》(铁运〔2007〕173号)中,新生凭录取通知书、毕业生凭学校书面证明可购买一次学生票。
A.正确
B.错误
[多项选择]延误肾结核诊断的原因()。
A. 满足于膀胱结核的诊断,不追究其继发于肾结核
B. 满足于一般膀胱炎的诊治,不追究其原因
C. 满足于肾积水的诊断,不追究积水原因
D. 满足于附睾结核的诊断,不追究继发肾结核
E. 满足于前列腺结核诊断,不追究其是继发肾结核
[单项选择]最为常用,熬炼时泡沫少,制成的黑膏药色泽光亮,黏性好的基质是()
A. 麻油
B. 棉籽油
C. 菜籽油
D. 花生油
E. 大豆油
[单选题]混凝土结构构件,拉筋用作梁、柱复合箍筋中单肢箍筋或梁腰筋间拉结筋时,两端弯钩的弯折角度均不应小于135°,弯折后平直部分长度不应小于箍筋直径的( )倍和75mm两者之中的较大值。(GB50666—2011《混凝土结构工程施工规范》5.3.6)
A.A.5
B.B.8
C.C.7
D.D.10
[判断题](1.0分)材料、设备暂估价应按招标工程量清单中列出的单价计入综合单价
A.正确
B.错误
[多选题]对电缆的存放的要求有( )
A.电缆应储存在空旷的地方
B.电缆储存处应有搭盖的遮棚
C.电缆盘下应放置枕垫,以免陷入泥土中
D.电缆盘应放置在厂房内
E.电缆应储存在干燥的地方,电缆盘平卧放置
A.A
B.B
C.C
D.D
E.E
F.F
[单选题]变压器运行时,其绕组和铁芯产生的损耗转变成(),一部分被变压器各部件吸收使之温度升高,另一部分则散发到周围介质中
A.热量
B.有功
C.无功
[判断题]对井下各水平中央变(配)电所、主排水泵房和下山开采的采区排水泵房供电的线路,不得少于两回路。当任一回路停止供电时,其余回路应能担负全部负荷。 ( )
A.正确
B.错误
[单选题]无论高压配电线路、设备是否带电,巡视人员不得单独移开或越过遮栏;若有必要移开遮栏时,应工区领导同意,并保持表3-1规定的安全距离。
A.正确
B.错误
C.略
D.略
E.略
F.略
[多项选择]社会经济基础对道德的决定作用主要体现在()。
A. 社会经济关系的发展变化必然引起道德的变化
B. 在阶级社会中,道德必然反映着特定阶级的利益而具有阶级性
C. 社会经济关系中所表现出来的利益直接决定着道德的基本原则和主要规范
D. 社会经济关系的性质直接决定社会道德体系的性质,有什么样的经济关系就有什么样的社会道德
[不定项选择题]共用题干
What's Killing the Bats
First it was bees.Now it is bats.Biologists in America are working hard to discover the cause of the mysterious deaths of tens of thousands of bats in the northeastern part of the country.
Most of the bats affected are the common little brown bats(Myotis lucifugus,)but other species, such as the long-eared bat,the small-footed bat,the eastern pipistrelle,and the Indiana bat have also been affected. In some caves,more than 90 percent of the bat populations have died.
One possibility is disease. A white fungus(真菌)known as fusarium has been found on the noses of both living and dead bats.However,scientists don't know if the fungus is the primary cause of death,a secondary cause of death,or not a cause at all,but the result of some other conditions.
Another possible cause is a lack of food.For example,bats typically eat a large number of moths(蛾),and in some states such as New York,the number of moths has been declining in recent years. if bats can't eat enough food,they starve to death.
Still other scientists believe that global warming is to blame.Warmer temperatures in recent years have been waking up hibernating(冬眠)bats earlier than usual. If bats break their hiberna- lion at the wrong time,they might not find their expected food sources. The weather might also turn cold again and weaken or kill the bats.
Scientists might not agree on the causes of the bat die-off, but they do agree on the conse- quences. Bats are an important predator of mosquitoes:a single brown bat can eat 1,000 or more insects in an hour. They also eat beetles and other insects that damage plant crops.If there aren't enough bats,damage will be great from the insects they eat. While bats live a long time for their size-the little brown bat can live for more than 30 years-a female bat has only one baby per year,so bat populations grow slowly. Many bat species in the United States are already protected or endangered.
How can you help?Do not disturb sleeping or nesting bats.If you discover bats that seem to be sick or that are dead,contact your local Fish& Wildlife Department with the details.However, be careful not to touch the animals.
The word"pipistrelle"in Paragraph 1 refers to______..
A.a kind of fungus
B.an area in the U.S.
C.a special cave
D.a kind of bat
[单项选择]在特情处理流程中,对于轴组和车辆进行操作时哪些部位是系统不允许操作的()。
A. 第一根轴
B. 最后一根轴
C. A和B都是可以操作的
D. A和B都是不
[单项选择]甲公司于2008年4月接受一项产品安装任务,安装期12个月,合同总收入60万元,年度预收款项12万元,余款在安装完成时收回,当年实际发生成本20万元,预计还将发生成本10万元。完工进度按照已经发生的成本占估计总成本的比例确定,则该项劳务 2008年度应确认的劳务收入为( )万元。
A. 30
B. 45
C. 40
D. 50
[多项选择]门静脉高压症分流术后护理措施包括______
A. 48小时内平卧位防止血管吻合口破裂出血
B. 保肝治疗预防肝性脑病
C. 术后应限制蛋白质饮食
D. 术后低脂、高蛋白、高维生素饮食
E. 加强腹腔引流管的护理
[判断题]表面张力和润湿能力是确定一种渗透液是否具有高渗透能力的两个最主要因素
A.正确
B.错误
[单选题]凝结水除盐混合床必须采用( )再生方式。
A.体内再生;
B.、体外再生;
C.分步再生;
D.体内分步再生。
[判断题]风冷式冷凝器常常在管子内侧加肋来强化空气侧的传热。
A.正确
B.错误
[单选题]社区民警通过实行弹性工作制,采用错时方法,利用节假日周末、上下班时间与群众沟通的方法叫什么
A.错时见面法
B.择机深入法
C.自然融合法
D.预先预约法
[多项选择]单纯疱疹病毒脑炎的病灶部位是()
A. 广泛性脑损害
B. 颞叶、额叶最常受累
C. 脑干为重
D. 枕叶明显
E. 上述均是
[判断题]判断一个三极管的一个极是否为基极,可先假设其为基极,用万用表任一测试杆与其相接,另一测试杆分别与其余两个电极依次相接。若测得的电阻都很大(或很小),再将两测试杆对调测量,若测得的电阻都很小(或很大),则上述假设的基极是正确的。( )
A.正确
B.错误
[单选题]检查无菌物品包括以下哪些内容()
A.有效期
B.包装是否清洁干燥
C.灭菌效果指示卡是否符合要求
D.灭菌日期
E.以上都是
[单项选择]医师在执业活动中发生医疗事故不按规定报告的,应承担的法律责任是()
A. 行政罚款处罚
B. 暂停一至六个月的执业活动
C. 暂停六至十二个月的执业活动
D. 注销执业汪书
E. 以上都不是
[多项选择]皮质醇增多症主要临床表现为
A. 满月脸
B. 多血质外貌
C. 向心性肥胖
D. 皮肤紫纹
E. 痤疮
[单项选择]下列公关关系传播效果与层次对应正确的是?()
A. 信息层次——联络感情
B. 感情层次——改变态度
C. 态度层次——分享信息
D. 行为层次——引起行为
[判断题]进站信号机的色灯复示信号机采用灯列式机构,无显示,表示主体信号机在关闭状态。
A.正确
B.错误
[单项选择]According to the passage, to achieve pregnancy, St. James got help from many people EXCEPT _________.
A. a stranger who donated an egg.
B. doctors
C. her sister
D. a former boyfriend who provided the sperm.
[判断题]“间接调度”是指:值班调度员向下级值班调度员发布指令后,由下级值班调度员向现场运行值班人员传达调度指令的方式。
A.正确
B.错误
[单项选择]
{{B}}TEXT B{{/B}}
"You don’t have to wait for government
to move... the really fantastic thing about Fairtrade is that you can go
shopping ! "So said a representative of the Fairtrade movement in a British
newspaper. Similarly Marion Nestle, a nutritionist at New York University,
argues that "when you choose organics, you are voting for a planet with fewer
pesticides, richer soil and cleaner water supplies. " The idea
that shopping is the new politics is certainly seductive. Never mind the ballot
box: vote with your supermarket trolley instead. Elections occur relatively
rarely, but you probably go shopping several times a month, providing yourself
with lots of opportunities to express your opinions. If you are worried about
the environment, you might buy organic food ; if you want to help poor farmers,
you can do your A. Is There Clever Shopping B. The Fairtrade Movement. C. "Ethical" Food—Good Food D. The New Politics.
[判断题]已经立起的杆塔,可撤去拉绳及叉杆。 A.正确 B.错误
[单项选择]对射线最抗拒的细胞周期时相是() A. G1期 B. S期 C. G2/M期 D. G0期 E. G0+G1期
[单项选择]大中型建设工程项目立项批准后,建设单位应按()顺序办理相应手续。 A. 工程发包→报建登记→签订施工承包合同→申领施工许可证 B. 报建登记→申领施工许可证→工程发包→签订施工承包合同 C. 申领施工许可证→工程发包→签订施工承包合同→报建登记 D. 报建登记→工程发包→签订施工承包合同→申领施工许可证
[多选题]通过 network 命令将路由注入到 BGP 中下面描述错误的是(多选) A.该路由必须存在于 P 路由表中,并且是最住路由 B.匹配前缀即可,掩码长度不必严格匹配 C.掩码长度必须严格匹配 D.该路由必须是 lGP 路由
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