热门试题:
[单选题]CRH2型动车组一级检修质量标准牵引杆橡胶节点无明显破损、龟裂、老化现象，金属件端末部的剥离长度在（ ）以上时须更换。
A.10mm
B.12mm
C.15mm
D.20mm
[单项选择]
It’s in the Cards
In recent years, more and more people have been paying for things with credit cards. There are now 565 million credit cards worldwide, but it doesn’t stop there. Debit cards (电子记账卡) are being issued by banks, and store cards are being offered by many department stores. Bills and coins are gradually being replaced by "plastic money." In many countries, phone cards have been introduced for people to use in pay phones. In addition, cards made of paper are being replaced by plastic ones by many organizations and clubs. For example, if you belong to a sports club, your membership card may well be made of plastic.
How safe is the plastic used to make these cards, though Until now, most cards have been made from a plastic called PVC. While PVC is being produced, harmful chemicals are released into the atmosphere. One of the most dangerous chemicals that is released is dioxin, which is known to cause cancer in humans. A furth
A. Right
B. Wrong
C. Not mentioned
[单项选择]Ira Carlin, worldwide media director of the worlds (21) advertising agency, McCann Erickson is quite candid about using fear to sell his message about the communications revolution.
One prediction shows that 55 percent of advertising by volume will be carried on the Internet (22) 2005. Consumers will have control and choice of communication; they will also have control over (23) advertisements they watch, and how. "But that will only (24) to the information enabled", says Carlin. "There’ll be an upstairs-downstairs schism... The widening (25) between the information enabled and information disenabled is going to be a greater social problem (26) any seeming social problem we’ve ever had in the past, (27) racial and (28) problems."
Look at what is already happening, Carlin says. (29) in Manhattan, he can choose the way he receives his daily news. He can open his front door and
A. through
B. throughout
C. thorough
D. thoroughly
[多项选择]运用下面哪项技术时，要求拇指相对成“八”字型？（）
A. 双手接球
B. 跳起投篮
C. 双手抢篮板球
D. 双手胸前传球
[单选题]液化石油气燃点低,点火能量为( )毫焦耳。
A.万分之几
B.千分之几
C.百分之几
D.十分之几
[多选题]人际吸引力包括哪些方面
A.互补性吸引
B.品质吸引
C.邻近吸引
D.相似性吸引
E.能力吸引
[单项选择]作用管压力空气停止（），作用阀呈保压位，机车制动保压。
A. 排出
B. 减压
C. 压缩
D. 增压
[判断题]二类高层民用建筑的消防用电应按照一级负荷供电。
A.正确
B.错误
[简答题]在处置堆垛（包）火灾时，如何避免发生堆垛坍塌、散落导致人员埋压？【3】
[判断题]停车办理客运业务的列车，无论出站（进路）信号机是否开放，均不得通过。
A.正确
B.错误
[多选题]下列当事人提出的证据中,可以单独作为认定案件事实的有( )。·
A.与一方当事人或者其代理人有利害关系的证人出具的证言
B.与书证原件核对无误的复印件
C.无法与原件、原物核对的复印件、复制品
D.有其他证据佐证并以合法手段取得的、无疑点的视听资料
E.无正当理由未出庭作证的证人证言
[单选题]甲因触犯故意伤害罪、侵占罪，分别被判处死刑和有期徒刑3年。决定执行的刑罚时，应当采取()。
A.吸收原则
B.累加原则
C.限制加重原则
D.并科原则
[单选题]某正弦交流电压的初相角ψ＝－л/6 ，在 t ＝0时其瞬时值将( )。
A.大于零
B.小于零
C.等于零
D.不确定
[单选题]婴幼儿出生后，对人脸表现出明显的（），如果母亲与育婴员的脸在婴幼儿适宜的视线范围内出现，婴幼儿会饶有兴趣地注视。
A.喜欢
B.厌倦
C.兴趣
D.厌恶
[单选题]螺杆泵空压机对油进行过滤的是（）。
A.油滤器
B.油细分离器
C.空气滤清器
D.冷凝器
[单选题]额外牙对牙列发育的影响，不准确的是
A.恒牙迟萌
B.出现牙间间隙
C.含牙囊肿
D.牙齿移位
E.有碍美观
[填空题]闸瓦托倾斜度为( )或闸瓦托内侧低于外侧不小于2mm,否则进行调修。
[多选题]危险性较大的分部分项工程施工前，施工单位应当按照国家规定编制、论证安全专项施工方案，组织安全专项施工方案( )。
A. 整改
B. 交底
C. 实施
D. 验收
E. 监测
[判断题]电力线路电流速断保护是按躲过本线路末端最大短路电流来整定。()
A.正确
B.错误
[判断题]特别危险情形,应在做好个人安全防护的基础上,采取主动防范措施降低安全风险。( )
A.正确
B.错误
[单项选择]
One Good Reason to Let Smallpox Live
It’s now a fair bet that we will never see the total extinction of the smallpox virus. The idea was to cap the glorious achievement of 1980, when smallpox was eradicated in the wild, by destroying the killer virus in the last two labs that are supposed to have it — one in the US and one in Russia. If smallpox had truly gone from the planet, what point Was there in keeping these reserves
(1) reality, of course, it was naive to (2) that everyone would let (3) of such a potent potential weapon. Undoubtedly several nations still have (4) vials. (5) the last "official" stocks of live virus bred mistrust of the US and Russia, (6) no obvious gain.
Now American researchers have (7) an animal model of the human disease, opening the (8) for tests on new treatments and vaccines. So once again there’s a good reason to (9) the virus &md
A. method
B. road
C. street
D. way
[判断题]创伤急救时，如果伤员颅脑外伤，应使伤员采取平卧位，保持气道通畅，若有呕吐，应扶好头部和身体，使头部和身体同时侧转，防止呕吐物造成窒息。
A.正确
B.错误
[多项选择]关于铁剂描述正确的是
A. 果糖不利于铁的吸收
B. 抗酸药、四环素有利于铁的吸收
C. 浓茶有碍于铁的吸收
D. 以亚铁的形式在十二指肠和空肠与回肠吸收
E. 铁的转运需转铁蛋白来进行
[多项选择]患者男，50岁，前壁心肌梗死后1年，左前降支药物洗脱支架安置后半年，无心力衰竭的症状和体征。3年后，患者在室内走动时出现气促和乏力，心电图示窦性心律，完全性左束支传导阻滞，QRS＞140ms，LVEF30%，LVEDD65mm。心力衰竭常规治疗无效，你应该与患者讨论如下治疗方法（）
A. 长期正性肌力药静脉滴注
B. 心脏移植术
C. 心脏再同步化治疗
D. ICD
E. 静脉长期应用正性肌力药替代常规治疗
[判断题]自主择业军队转业干部判刑期间可以退役金调整。
A.正确
B.错误
[单选题]转换柱、中心柱折断后，清理旧支柱，断杆相邻两跨距不超过（），应提起锚支，调整工作支，保证与车辆间隙，缩短时间，先送电，设降、升弓信号通车，然后要点立杆抢修。
A.50m
B.30m
C.45m
D.40m
[判断题]ZPW-2000A型移频自动闭塞中，当电码化区段超过500M时，应设置补偿电容。（）
A.正确
B.错误
[填空题]室内分布系统主要由（）、（）两部分组成。
[单项选择]生理性原因（）
A. 瘙痒、咳嗽、尿频等导致失眠
B. 卧室内强光、噪音等引起失眠
C. 焦虑和抑郁伴失眠
D. 精神分裂症等导致失眠
E. 苯丙胺、利他林等中枢兴奋药导致失眠
[单项选择]探测器型号不对的故障代码是（）
A. Err1
B. Err2
C. Err3
[单项选择]根据《建设工程施工劳务分包合同(示范文本)》(GF-2003-0214)，除专用条款另有规定外，下列合同文件中拥有最优先解释权的是（ ）。
A. 通用合同条款
B. 中标通知书
C. 投标函及其附件
D. 技术标准和要求
[多选题]某省人大常委会拟制定地方性法规，该法规可设定以下哪些行政处罚
A.吊销企业营业执照
B.暂扣许可证
C.行政拘留
D.罚款
[单项选择]阎某，男，45岁。右手及足趾坏死剧痛约2个月。就诊前8个多月，右足因脚气破溃感染。经久不愈。近2个月来右足1、2趾均发黑坏死，右拇指甲下红肿溃烂，且有死骨外露，疼痛日益加剧，甚则痛不可忍。检查：双手1、2、3指尖溃烂腐臭，右拇指甲下红肿灼热，末节指骨外露，双侧桡动脉波动消失，右侧D9趾近跖趾关节处可见坏死溃疡，延及2趾外侧，右足背、胫后动脉搏动亦消失。舌质红绛，舌苔黄燥，脉滑数。中医诊断为“脱疽”，西医诊为“血栓闭塞性脉管炎，四肢性坏死溃疡期”。此证中医病机应辨为
A. 湿毒内蕴，气血两伤
B. 火毒内炽，气滞血瘀
C. 毒热蕴结，阴液耗伤
D. 热入营血，血热瘀滞
E. 痰湿瘀结，脉络痹阻
[单项选择]胎盘的结构由哪两部分组成？（）
A. 胎儿平滑绒毛膜与母体包蜕膜
B. 胎儿平滑绒毛膜与母体基蜕膜
C. 胎儿丛密绒毛膜与母体基蜕膜
D. 胎儿丛密绒毛膜与母体包蜕膜
E. 胎儿丛密绒毛膜与母体壁蜕膜
