热门试题:
[判断题]某变电所执行6千伏线路由运行转检修的操作,操作人未将验电项目写入操作票,模拟时未发现,当执行到装设接地线时,发现漏项,操作人认为线路已经停电不用再进行验电,监护人允许,于是开始装设接地线,在未接接地端的情况下,先接导体端,因线路带电造成触电。事故调查发现,二人所装设的地线已超过试验有效日期。
该起事故存在违章行为:地线已超过试验有效日期。违反《安规》关于“作业现场的生产条件、安全设施、作业机具和安全工器具等应符合国家或行业标准规定的要求,安全工器具和劳动防护用品在使用前应确认合格、齐备”的规定。
A.正确
B.错误
[判断题] BJ009对于低于或等于静水柱压力的井,可采用清水或低固相压井液压井。
A.正确
B.错误
[单项选择]下列哪一项不属于《证券法》中对证券登记结算机构的规定()。
A. 证券公司设立申请的审核;重大事项的批准
B. 设立的条件、公司的职能,证券登记结算的运营方式
C. 上市交易的证券集中存管的规定,保存登记、存管和结算原始凭证及有关文件和资料的规定,结算风险基金的用途、来源及专项管理规定
D. 投资者开立证券账户的规定,结算参与人的货银对付原则,清算交收账户内证券和资金的性质及用途
[单项选择]新生儿肺透明膜病的病因最正确的是()
A. 肺泡壁嗜伊红透明膜附着
B. 宫内吸入羊水中上皮细胞形成透明膜
C. 孕晚期给予孕妇激素治疗
D. 宫内感染导致肺部炎症渗出
E. 肺泡表面活性物质缺乏
[单项选择]触电现场正确切断电源的方法是().
A. 用手把电线拉开
B. 用铁棒把电线挑开
C. 用木棒把电线挑开
[单选题]夜间驾驶货车在没有照明的道路跟车行驶,应在距离前车多远时改用近光灯?( )
A.150m
B.200m
C.300m
[单选题]司钻法用原工作液循环排除溢流调节节流阀时,液柱压力传递速度大约为300.m.s,300.0.m深的井需( )秒才能把节流变化的压力传递到立管压力表上。
A. 10.
B. 20.
C. 30.
D. 40.
[单选题]方钻杆的两端车有螺纹,上为左旋螺纹,下为右旋螺纹,这是为了防止旋转过程中(?? )。
A.自动卸扣
B.紧扣
C.上扣
D.扭转
[多选题]多选题:地铁车站连接口包括( )。
A.盈利连接口
B.非盈利连接口
C.商业连接口
D.非商业连接口
[单选题]3316.如图为尸体解剖的肝脏,肝脏的病变考虑为
A.A.门脉性肝硬化
B.B.坏死后性肝硬化
C.C.急性普通型肝炎
D.D.慢性中度肝炎
E.E.急性重型肝炎
[单项选择]
A. contrary
B. varied
C. different
D. reversed
[单选题]男,39岁,反复中上腹部不规则疼痛、腹泻5年,胃镜检查提示:“胃内潴留液较多,食管下段、胃体部小弯侧、胃角、十二指肠球部及十二指肠降部多发性溃疡”,法莫替丁治疗效果欠佳。诊断应该考虑:
A.胃十二指肠多发性溃疡
B.消化性溃疡并食管溃疡
C.胃癌
D.消化性溃疡并幽门不全梗阻
E.促胃液素瘤
[单项选择]下列选项中,不是<APPLET>标记的是
A. PARAM
B. BODY
C. CODEBASE
D. ALT
[单项选择]治疗寒凝气滞,小腹胀痛伴肾阳不足,小便频数者,应首选()
A. 香附
B. 小茴香
C. 乌药
D. 青皮
E. 木香
[单选题]出口议付到期一次性归还融资本金,利息一般在()收取
A.发放时
B.发放后
C.每月末
D.到期
[单选题]沃家云视电脑客户端中最大支持()路摄像头监控画面同时预览.
A.1
B.4
C.8
D.16
[判断题]装配螺钉、螺母时,拧紧力矩应适当,通常可用测力扳手拧紧,当要求有一定的拧紧力矩时,可用标准扳手拧紧。
A.正确
B.错误
[单选题]静电的积累量()静电的消散量,就不会发生静电危险。
A.大于
B.等于
C.小于
[不定项选择题]共用题干
How Technology Pushes Down Prices
1 Prices have fallen in the food business because of advances in food production and distribution tech-
nology.Consumers have benefited greatly from those advances.People who predicted that the world would
run out of food were wrong. We are producing more and more food with less and less capital.Food is there-
fore more plentiful and cheaper than it has ever been.Spending on food compared with other goods has fallen
for many years,and continues to drop.
2 Supermarkets have helped push down prices mainly because of their scale.Like any big business,
they can invest in IT systems that make them efficient. And their size allows them to buy in bulk.As super-
markets get bigger,the prices get lower.
3 Huge retail companies such as Wal-Mart have tremendous power and they can put pressure on pro-
ducers to cut their margins.As a result,some producers have had to make cuts.In recent years,Unilever
has cut its workforce by 33,000 to 245,000 and dropped lots of its minor brands as part of its"path to
growth"strategy.Cadbury has shut nearly 20 per cent of its 133 factories and cut 10 per cent of its 55,000
global workforce.These cuts help keep costs down,and the price of food stays low.
4 Does cheap food make people unhealthy?Cheap food may encourage people to eat more.Food corn-
panies certainly think that giving people more food for their money makes them buy more.Giving people bigger
portions is an easy way of making them feel they have got a better deal.That is why portions have got larger
and larger. In America,soft drinks came in 80z(225 g)cans in the past,then 120z(350g),and now
come in 200z(550g)cans.If a company can sell you an 80z portion for$7,they can sell you a 120z
portion for$8.The only extra cost to the company is the food,which probably costs 25 cents.
5 Now companies are under pressure to stop selling bigger portions for less money.But it is hard to
change the trend.
Some food producers have reduced__________.
A.their workforce
B.huge portions
C.large quantities
D.their money
E.a good bargain
F.minor brands
[单项选择]下列单位中,负责测绘项目设计的是()。
A. 承担项目的法人单位
B. 项目质检单位
C. 项目委托单位
D. 项目监理单位
[判断题]作业人员应在接地线的保护范围内作业。禁止在无接地线或接地线装设不齐全的情况下进行高压检修作业。( )——
A.正确
B.错误
[多选题]下列属于信息工具优点的是()。
A.对私权的规制力度弱
B.具有较好的解决纠纷的功能
C.规制成本低
D.不会产生因公共机构参与而导致的负面影响
[单选题](47636)曲尖轨在第一拉杆中心处的最小动程为( )mm。(1.0分)
A.142
B.152
C.160
D.180
[单选题]职工或者其近亲属认为是工伤,用人单位不认为是工伤的,由谁承担举证责任?( )
A.职工或者其近亲属
B.社会保险行政部门
C.用人单位
D.社保经办部门
[单选题]护士需要观察病人一般情况的内容包括
A.活动耐力
B.用药效果
C.面色、表情
D.对治疗的反应
E.情绪变化
[多选题] 在带电作业过程中,工作负责人发现或获知相关设备发生故障,应( )。
A.立即停止工作
B.撤离人员
C.报告上级
D.立即与值班调控人员或运维人员取得联系。
[单选题]主要用于顽固性失眠的药物为( )
A. 苯妥英钠
B. 苯巴比妥
C. 水合氯醛
D. 异戊巴比妥
[单项选择]
阅读下面的短文,文中有15处空白,每处空白给出了4个选项,请根据短文的内容从4个选项中选择1个最佳答案。
{{B}}
Scientists Develop Ways of Detecting
Heart Attack{{/B}} German researchers have{{U}} (1)
{{/U}}a new generation of defibrillators and early warning software aimed at
offering heart patients greater protection{{U}} (2) {{/U}}sudden death
from cardiac arrest. In Germany alone around 100,000 people die
annually as a result of cardiac arrest and many of these cases{{U}} (3)
{{/U}}by disruption to the heart’s rhythm. Those most at risk are Patients
who have{{U}} (4) {{/U}}suffered a heart attack and for years the use of
defibrillators has proved useful in diagnosing{{U}} (5)
{{/U}}disruptions to heart rhythms and correcting them automatically by
intervening within seconds. These devices{{U}} (6) {{/U}}a range of
functions such as that of pacem A. capable B. able C. skillful D. skilled
[单选题]当血压>200/130mmHg时,应快速降压,使血压降至()mmHg。 A.160/90 B.140/90 C.130/80
[不定项选择题]A.热极似寒,寒极似热 A.寒极生热,热极生寒 B.阴胜则寒,阳胜则热 C.阴虚则热,阳虚则寒 D.阴损及阳,阳损及阴 E.可用阴阳转化解释的是( )
[单项选择]下列关于模板的叙述中,错误的是 A. 模板声明中的第一个符号总是关键字template B. 在模板声明中用“<”和“>”括起来的部分是模板的形参表 C. 类模板不能有数据成员 D. 在一定条件下函数模板的实参可以省略
[单项选择]下列哪一项是球内金属异物的特征性表现() A. 点状强回声伴有运动 B. 点状强回声伴球后声影 C. 点状强回声 D. 眼球壁隆起现像 E. 点状强回声伴"彗星尾"征
[判断题]人民警察在现场发现实施犯罪的人为怀孕妇女、儿童的,无论何种情形一律不得使用武器。 A.正确 B.错误
[单选题]SKF197726保持架材质采用( )。 A.橡胶 B.工程塑钢 C.渗碳轴承钢 D.钢板和橡胶
[单选题]1g分子葡萄糖的有氧氧化净生成的ATP分子数与无氧氧化净生成的ATP分子数最接近的比例为下列哪一组 A.25∶1 B.18∶1 C.12∶1 D.9∶1 E.3∶1
[单项选择]甲、乙、丙各交2000元给丁,委托丁购买彩电。丁又将款交与戊请他代购。戊一去不知下落,甲、乙、丙向丁索款,丁拒绝。甲、乙、丙起诉。法院应当如何处理此案?( ) A. 判决由丁偿还甲、乙、丙各2000元 B. 驳回甲、乙、丙的请求,丁系无偿服务,不应负责 C. 判决由丁偿还甲、乙、丙各1000元,另3000元应向戊追索 D. 判决由丁偿还甲、乙、丙各2000元,戊负连带偿还责任
[单项选择]急性乳腺炎( ) A. 乳房胀痛,严重者可并发脓毒血症 B. 乳头出现血性溢液 C. 乳头内陷 D. 出现无痛、单发的小肿块 E. 乳头出现棕褐色溢液
[多项选择]嬉皮士的口号有() A. 爱 B. 和平 C. 利他主义 D. 反叛
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