题目详情
题目详情:

[填空题]列车前后两端的防护距离均不小于()。

热门试题:

[多选题] 信息安全风险评估依据有关信息安全技术与管理标准,对信息系统及由其处理、传输和存储的信息的( )等安全属性进行评价的过程。它要评估资产面临的威胁以及威胁利用脆弱性导致安全事件的可能性,并结合安全事件所涉及的资产价值来判断安全事件一旦发生对组织造成的影响。
A. 保密性
B. 完整性
C. 实用性
D. 可用性
[单项选择]信用卡一天之内连续三次输错密码,在信用卡系统上显示卡片为()标志。
A. 0R
B. OB
C. 0E
D. 0A
[简答题]公路工程现场质量检查控制的方法有哪些
[单项选择]男,32岁,胸骨左缘第3肋间典型舒张早期杂音,可考虑主动脉瓣关闭不全的诊断,应与肺动脉瓣关闭不全舒张早期吹风样杂音(GrahamStell杂音)相鉴别。更支持前者的是()
A. 杂音在胸骨左缘第2肋间最响
B. 左室增大
C. 吸气末杂音更显著
D. 没有血压改变
E. 常伴有第一心音增强
[单选题]患者,男性,24岁。因化脓性扁桃体炎需注射青霉素,皮试阴性。肌肉注射青霉素后5分钟,患者出现胸闷、气急、面色苍白、脉搏细弱、血压下降,针对此患者首先采取的措施是( )
A.立即停药,平卧,皮下注射0.1%肾上腺素
B.静脉注射0.1%肾上腺素
C.立即通知医生抢救
D.立即吸氧,行胸外心脏按压
E.静脉输液,给予氢化可的松
[判断题]按《塔里木油田钻井井控实施细则》规定:钻开油气层后每趟起钻前,不需要进行短程起下钻。
A.正确
B.错误
[单选题]正确使用施工机具、安全工器具和劳动防护用品是()的安全责任。
A.工作票签发人
B.工作班成员
C.工作负责人(监护人)
D.专责监护人
[判断题]非居民企业在中国设立机构、场所的,以机构、场所所在地为纳税地点。( )
A.正确
B.错误
[多项选择]痹证的治法有
A. 祛邪通络
B. 养血活血
C. 补肾温阳
D. 健脾益气
[判断题]调车、矮型出站、矮型进路、复示信号机,容许、引导信号及各种表示器,不得小于200m。()PJ69(0.01分)
A.正确
B.错误
[填空题] THE DEVELOPMENT OF MANSHEE
1. The speaker had a problem finding .................... for his computer.
2. Initially, the speaker bought from ..................... businesses.
3. Four years after its launch, Manshee’s ...................... was £6 m.
4. The company grew rapidly without having ......................
5. The main factor in the company’s decisions was the current month’s ..................
6. ............................... fell as a result of competition.
7. Manshee’s consultants work mostly with ........................
8. The consultants made Manshee’s directors put their future ................ in order of priority.
9. The directors first focused on .................... and financial goals.
10. What the speaker feels was particularly valuable was the .................. of the consultants’ advice.
11. Manshee classifies its customers on the basis of their .........................

[单选题]现场办理工作许可手续前,工作许可人应与工作票签发人核对线路名称、设备双重名称,检查核对现场安全措施,指明保留带电部位。
A.正确
B.错误
C.略
D.略
E.略
F.略
[单选题]2921.隔汽层采用卷材时宜空铺,卷材搭接缝应满粘,其搭接宽度不应小于
Mm。()
A.50
B.80
C.100
D.150
[单选题]卵巢性激素生物合成途径中,哪项是终末产物
A.孕烯醇酮
B.去氢表雄酮
C.睾酮
D.雄烯二酮
E.雌二醇
[单选题]雨雪天气时不得进行( )验电。
A.A-室外直接
B.B-室内直接
C.C-室外间接
D.D-室内间接
[填空题]自动售票机的英文缩写是(____)。
[单选题] 车辆到达现场后,应当根据现场情况选择适当的停车位置,并统一在道路一侧靠边停放,车辆之间应保持约()米的安全距离。 [单选题]
A.10
B.15
C.20
D.25
[简答题]在电缆终端施工区域应采取什么安全措施?
[判断题]( )铅垂面的水平投影积聚成平行 X 轴的直线段。
A.正确
B.错误
[判断题]数字证书使用人退休后应立即上交自己的证书。
A.正确
B.错误
[多选题]加热炉过剩空气系数是否合适,可通过(  )来判断或计算。
A.炉膛温度
B.火焰颜色
C.烟道气中氧含量
D.烟道气中CO2的含量
[单项选择]{{B}}第二篇{{/B}}
{{B}}
A Phone That Knows You’re Busy{{/B}}

It’s a modern problem: You’re too busy to be disturbed by incessant (连续不断的) phone calls so you turn your cellphone off. But if you don’t remember to turn it back on when you’re less busy, you could miss some important calls. If only the phone knew when it was wise to interrupt you, you wouldn’t have to turn it off at all. Instead, it could let calls through when you are not too busy.
A bunch of behavior sensors (传感器) and a clever piece of software could do just that, by analyzing your behavior to determine if it’s a good time to interrupt you. If built into a phone, the system may decide you’re too busy and ask the caller to leave a message or ring back later.
James Fogarty and Scott Hudson at Camegie Mellon University in Pennsylvania based their system on tin
A. they must tolerate phone disturbances or miss important calls.
B. they must turn off their phones to keep their homes quiet.
C. they have to switch from a desktop phone to a cellphone.
D. they are too busy to make phone calls.
[多选题]《电梯制造与安装安全规范》研究了电梯发生( )等事故的可能性。
A.剪切
B.挤压
C.坠落
D.撞击
E.被困
F.火灾
G.电击
H. 材料失效 I. 电气安全装置失效
[判断题]自控型班组建设坚持“以人为本”的管理理念。
A.正确
B.错误
[单项选择]产品在规定的条件下和规定时间内,完成规定功能的概率称为(),丧失规定功能的概率为()。
A. 可靠性累积;故障概率
B. 可靠性;不可靠度
C. 可靠度故障;概率密度
D. 可靠度;累积故障概率
[名词解释]复合地基
[判断题]装载剧毒品、放射性物品的车辆和空客车、特种用途车、乘坐旅客的车辆,禁止手推调车
A.正确
B.错误
[单选题]下列货物适用13%税率征收增值税的是( )。
A.寄售商店代售寄售物品
B.销售旧货
C.一般纳税人生产销售的商品混凝土(仅限于以水泥为原料生产的水泥混凝土)
D.销售图书、报纸、杂志
[单项选择]

M: Hi, Sally.
W. Hello, Tom. How are you
M: I’m fine. Where are you going
W: Oh, I’m on my way home from work.
M: I didn’t know you had a job.
W: Yeh. I work part-time at a supermarket.
M: What do you do there
W: I work in the produce section. Trimming and wrapping fresh fruit and vegetables. I also stock shelves. Sometimes when it really gets busy, I work at the check-out counter. Have you got a job, Tom
M: Yeh. I do yard work for people. You know, cutting grass, raking leaves pulling weeds, things like that.
W: I’d like doing that. It must be nice to work outdoors.
M: Sometimes it is. Except when it rains or snows or gets too hot or too cold or...
W: Ha. Ha. I think every job has its shortcomings. There are times when I get pretty tired of carrying things around at my job. But a job’s a job. Gotta earn money for school.
M: Me, too. Tuition is sure high,
A. He doesn’t earn very much money.
B. He has to work too many hours.
C. He doesn’t have time for lunch.
D. He sometimes has to work in bad weather.

[判断题]热导检测器中最关键的元件是热丝。()
A.正确
B.错误
[单选题]网络信息探测中第一步要做的工作是(____)。
A. 扫描
B. Ping
C. 隐藏自己
D. 溢出
[判断题]商业银行销售理财产品,应当加强投资者适当性管理,向投资者充分披露信息和揭示风险,不得宣传或承诺保本保收益,不得误导投资者购买与其风险承受能力不相匹配的理财产品。
A.正确
B.错误

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