热门试题:
[判断题]TELNET，SMTP，FTP协议工作在TCP协议基础上
A.正确
B.错误
[单项选择]钢焊后经过于（）热处理可以细化晶体
A. 退火
B. 正火
C. 回火
[单选题]自动化设计安装布点分段点原则：新建线路的自动化分段点按线路自动化分段分成（）段设置，在分段点处优先实现自动化。
A.1~2；
B.2；
C.3~4；
D.5~6。
[多选题]作业人员应被告知其作业现场和工作岗位存在的()
A.安全风险
B.安全注意事项
C.事故防范及紧急处理措施
D.以上都是
[判断题]CRH2A(统型)动车组一级修时，检查转向架扫石器距轨面高度5-10mm之间。
A.正确
B.错误
[单选题]列车分部运行，机车进入区间挂取遗留车辆时，应从车列前方距离不小于（ ）米处防护。
A.200
B.300
C.400
[单项选择]下列关于要约和要约邀请的说明，正确的是（）。
A. 要约不能撤销，只能撤回
B. 商业广告不能视为要约
C. 要约邀请是订立合同的一个必经过程
D. 要约到达受要约人时生效
[单选题]16.TP级保护用电流互感器的铁芯带有小气隙,在它规定的准确限额条件下(规定的二次回路时间常数及无电流时间等)及额定电流的某倍数下其综合瞬时误差最大为（ ）。
A.A.5%
B.B.10%
C.C.15%
D.D.20%
[判断题]Z3040 型摇臂钻床的立柱加紧和摇臂升降的电机都设有过载保护。( )
A.正确
B.错误
[单项选择]Higher education has a responsibility to provide a workforce with the design capability and high-level technical design skills to generate growth in key industries with the potential to support the UK’s economic health.
The Higher Ambitions report from the Department for Business, Innovation and Skills (62) : "Britain must rebuild its economic growth and invest in the skills and competitive strengths that will (63) a sustainable recovery and balanced future economy."
(64) , it specifically calls (65) "enhanced support for the Stem subjects—degrees in the sciences, technology, engineering and mathematics— and other skills that guarantee this country’s (66) advantages". The (67) of design subjects from Stem ignores the coterminous(有共同边界的)nature of these subjects, (68) science in the employment market and the strategic significance of design as a contributor to the economy.
Britain’s (69)
A. original
B. mathematical
C. creative
D. outstanding
[单选题]妊娠高血压疾病病人的基本病理变化为( )
A.水钠潴留
B.血液浓缩
C.全身小动脉痉挛
D.低血容量
E.DIC
[单选题]在ECAM机轮页面显示中，在机轮指示上出现绿色的弧线，是指示
A.所有温度超过100度的机轮
B.温度超过100度并且温度最高的机轮
C.温度超过300度的机轮
[单项选择]通常轧辊直径增大或减小10mm，卫板长度减小或增大（）mm。
A. 5
B. 2
C. 1
[单项选择]关于非甾体抗炎药的不良反应，不正确的是（）
A. 胃肠道损害是最常见的不良反应
B. 阿司匹林对大多数人可引起肾功能受损
C. 对氨基水杨酸可致粒细胞减少
D. 长期大剂量使用对乙酰氨基酚可致严重肝脏损害，尤以肝坏死多见
E. 吲哚美辛可致肾衰和水肿
[单选题](66428)各机务段( )要对贯彻落实《内燃、电力机车检修工作要求及检查办法》的情况进行分析、总结,针对所存在的问题提出解决措施。(2.0分)
A.每年度
B.每半年
C.每季度
D.每月
[单项选择]我国引起肝硬化的最主要原因是（ ）
A. 酒精中毒
B. 中毒性肝炎
C. 病毒性肝炎
D. 慢性肠道感染
E. 血吸虫病
[单项选择]内表面红棕色，较平坦，有细纵纹，用指甲刻划可见油痕（）
A. 厚朴
B. 黄柏
C. 肉桂
D. 杜仲
E. 桑白皮
[单选题]关于信访人提出信访事项，下列说法错误的是？
A.信访人提出信访事项，应当客观真实，对其所提供材料内容的真实性负责。
B.信访人提出信访事项，应当客观真实，对其所提供材料内容的真实性不负责任。
C.信访人提出信访事项，不得捏造、歪曲事实，不得诬告、陷害他人。
D.信访人采用走访形式提出信访事项的，应当到有关机关设立或者指定的接待场所提出。
[判断题]投影线垂直于投影面时所得的投影称为正投影。( )
A.正确
B.错误
[单项选择]Have other people’s delightful Facebook updates ever made you feel like a total loser Or have you ever felt that your best friend’s life is perfectly easy and joyful, while yours is nothing but struggle and anxiety You’re not alone.
In a series of experiments, a new study--which was inspired by the Facebook envy experience— identified several interacting psychological factors that underlie the grass-is-greener phenomenon.
First, 63 college freshmen were asked to report the positive and negative experiences they had had in the previous two weeks. Researchers found that 29% of students’ bad experiences occurred in private, compared with 15% of the good ones. And 40% of the time, people deliberately concealed negative feelings.
That helps explain why other people always seem like they’re having so much fun--they tend to be happier in social settings, and they usually don’t dwell on feelings of loneliness or depression when they’re out in a group. In contrast, many of our ne
A. You spend more time expressing your true self.
B. You make more efforts to be more successful.
C. You try to make yourself look more happier.
D. You make efforts to know others’ feelings.
[单选题]只有具备良好的职业道德( )和职业道德素养,才会设身处地为旅客、货主着想。
A.品格
B.品质
C.风格
D.素质
[单项选择]反映热水锅炉容量的是（）。
A. 产热量
B. 蒸发量
C. 压力
D. 温度
[单项选择]下列关于甲醇合成原料气的制备不正确的是（）。
A. 甲烷蒸汽转化
B. 石脑油蒸气转化
C. 甲烷完全氧化
D. 重油部分氧化
[不定项选择题]共用题干
The iPad
1 The iPad is a tablet computer（平板电脑）designed and developed by Apple. It is par-ticularly marketed as a platform for audio and visual media such as books,periodicals（期刊）,movies,music,and games,as well as web content. At about 1 .5 pounds(680 grams), its size and weight are between those of most contemporary smartphones and laptop comput-ers.Apple released the iPad in April 2010,and sold 3 million of the devices in 80 days.
2 The iPad runs the same operating system as iPod Touch and iPhone. It can run its own applications as well as ones developed for iPhone. Without modification,it will only run pro-grams approved by Apple and distributed via its online store.
3 Like iPhone and iPod Touch,the iPad is controlled by a multitouch display一a break from most previous tablet computers, which uses a pressure-triggered stylus（触控笔）.The iPad uses a Wi-Fi data connection to browse（浏览）the Internet, load and stream media, and install software. Some models also have a 3G wireless data connection which can connect to GSM 3G data networks. The devices is managed and synchronized（同步）by iTunes on a per-sonal computer via USB cable.
4 An iPad has different features and applications one can use to execute different and in-teresting things. There are lots of iPad applications that the owner can use to enhance the way they communicate. Some of these are how to use social networking sites and other online options.One of the most common uses is for e-mail services. iPad applications like Markdown Mail allow the adoption of specific and particular options. They enable the owner to personal-ize their email accounts.
5 While the iPad is mostly used by consumers it also has been taken up by business us-ers. Some companies are adopting iPads in their business offices by distributing or making available iPads to employees.Examples of uses in the workplace include lawyers responding to clients,medical professionals accessing health records during patient exams,and manag-ers approving employee requests.A survey by Frost Sullivan shows that iPad usage in work-places is linked to the goals of increased employees productivity,reduced paperwork,and in-creased revenue.
iPad usage in offices enables employee productivity to be_______.
A.modified
B.increased
C.personalized
D.browsed
E.distributed
F.released
[判断题]钢制燃气管道支、吊架的焊接应由持证的焊工施焊，并不得有漏焊、欠焊或焊接裂纹等缺陷。
A.正确
B.错误
[判断题]抑制剂能增强矿物表面对捕收剂吸附能力。（ ）
A.正确
B.错误
[单选题]在资金管理系统中，债券投资业务申请对（）进行识别校验。
A.发行行
B.债券代码
C.债券品种
D.收益率
[单选题]单选题 Je4A1043
437998《居民用户家用电器损坏处理办法》中规定电光源类家用电器的平均使用年限为（）。
A.2年
B.5年
C.10年
D.12年
[多选题]导体的导电能力应满足（ ）的要求。
A.电阻
B.机械强度
C.电压损失
D.短路电流
E.环境
[单选题]所有高尿酸血症与痛风患者应知晓需终身将血尿酸水平控制在？
A.180-420μmol/L
B.200-420μmol/L
C.220-420μmol/L
D.240-420μmol/L
[单选题]患者女性，32岁。发现左乳房包块10天，无不适症状。查体：乳房视诊无异常，左乳房外上象限可触及1.5cm×1.5cm包块，质硬，不光滑，活动度良好，左腋窝未触及肿大淋巴结。钼靶X线检查示1.5cm×1cm密度增高影，周边有小毛刺，中央可见聚集细小钙化点。
[问题2][单选题]
术后10天拟行综合治疗。下列哪一种肿瘤标记物决定是否可用靶向治疗（曲妥珠单抗）
A.HEr-2
B.P53
C.PR
D.ER
E.Ki67
[单选题]进入有核放射危险的区域时，必须着核沾染防护服等专业防护装具，佩带（），并在专业人员指导下开展救援行动。
A.有毒气体检测仪
B.可燃气体检测仪
C.个人辐射剂量仪
D.红外热像仪
[单选题]依据《中国南方电网有限责任公司电力安全工作规程》（Q/CSG 510001—2015）第16.5.2.3条规定：低压不停电作业人员应使用有绝缘柄的工具，其外裸露的导电部位应( )，禁止使用锉刀、金属尺和带有金属物的毛刷、毛掸等工具。
A.采取绝缘包裹措施
B.采取防感应电的措施
C.采用绝缘遮蔽措施
D.采取防止误碰
[判断题]按《塔里木油田井下作业井控实施细则》规定，井下作业使用ZQF1200/0.862的液气分离器。
A.正确
B.错误
[判断题]
( )在风险评估中,风险度值越大,说明该系统危险性越小。
A.正确
B.错误
[单选题]遇( )级以上的大风或大雪、大雨、大雾等恶劣天气不得从事露天起重作业
A. 4;
B.5;
C. 6 ;
D. 7。
[多选题]施工用电保护零线（PE线）应在配电系统的（）做重复接地。
A.始端
B.中间
C.连接段
D.末端
[多选题]地铁车辆空调系统通常由哪些系统以及空气净化系统等部分组成?
A.通风系统
B.制冷系统
C.烟火报警系统
D.其他系统
