热门试题:
[单选题]某医院将已使用完毕的钴60放射源,送到仓库内储存,依据《放射性污染 防治法》放置放射性固体废物正确的做法是( )。
A.医院对钴60处理后,送交省级以上环保行政主管部门处置
B.医院对钴60无需处理,可送交当地环保行政主管部门处置
C.医院对钴60进行处理后,送交放射性固体废物处置单位处置
D.医院对钴60无需处理,可直接送交放射性固体废物处置单位处置
[单项选择]从事较重体力劳动时体温的变化是()
A. 先升高后降低
B. 升高
C. 降低
D. 不变
E. 先降低后升高
[判断题]约时停、送电;带电作业约时停用或恢复重合闸。是否按Ⅱ类严重违章考核?
A.正确
B.错误
[单项选择]孔的公称直径为21~32mm,铰孔加工余量应为()mm。
A. 0.2
B. 0.3
C. 0.5
D. 0.8
[单选题]中间站成端一般是在( )中进行成端
A. 接头盒
B. 终端盒
C. 综合引入柜
D. 光纤配线架
[单选题] 热通过流动介质将热量由空间中的一处传到另一处的现象,叫做( )。(中)
A. 热传导
B. 热辐射
C. 热对流
D. 热传播
[判断题]对公非活期存款开户,客户CCS等级为禁止类的,需上报一级分行批准才可办理
A.正确
B.错误
[单选题]单独巡视人员应经( )批准并公布。
A.公司领导
B.工区领导
C.工区
D.安质部门
[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
(51) reality, of course, it was naive to (52) that everyone would let (53) of such a potent potential weapon. Undoubtedly several nations still have (54) vials. (55) the last "official" stocks of live virus bred mistrust of the US and Russia, (56) no obvious gain.
Now American researchers have (57) an animal model of the human disease, opening the (58) for tests on new treatments and vaccines. So once
A. method
B. road
C. street
D. way
[单项选择]机械装置的( )是指在机械运转过程中,由于各种原因引起的意外状态,包括故障状态和检修保养状态。
A. 工作状态
B. 正常工作状态
C. 非正常工作状态
D. 非工作状态
[单选题]杨柳是我国古代诗词里面较为常见的意象,往往蕴涵离别之情,下列名句中不是表达送别 意象的是( )。
A.羌笛何须怨杨柳,春风不度玉门关
B.渭城朝雨浥轻尘,客舍青青柳色新
C.今宵酒醒何处?杨柳岸、晓风残月
D.庭院深深深几许?杨柳堆烟,幕帘无重数
[判断题]判断题】 作业人员对《国家电网公司电力安全工作规程》应每年考试一次。因故间断电气工作连续三个月以上者,应重新学习本规程,并经考试合格后,方能恢复工作。( )
A.正确
B.错误
[多项选择]以下属于气旋浓香系列的是:()
A. PSS5068P
B. PSS5050P
C. PSS5067H
D. PCS5039H
[单选题]可燃物在爆炸上限和爆炸下限之间都能发生爆炸,这个浓度范围称为该物质的()。
A.爆炸范围
B.爆炸极限
C.爆炸当量
D.爆炸威力
[单项选择]在软件生命周期的()阶段中出错,对软件质量影响最大。
A. 需求分析
B. 总体设计
C. 详细设计
D. 编码实现
[多选题]室内母线分段部分、母线交叉部分及部分停电检修易误碰有电设备的,应设有()。
A.明显标志的永久性隔离挡板
B.明显标志的永久性隔离护网
C.临时隔离挡板
D.临时护网
[单项选择]“一国两制”的提出是为了解决( )的问题。
A. 台湾
B. 香港
C. 澳门
D. 西藏
[单项选择]如R—R间距为0.6s,则心率为()
A. 60次/min
B. 75次/min
C. 80次/min
D. 100次/min
E. 120次/min
[判断题]易燃易爆物质泄漏等灾害事故现场,不能明确防爆等级的情况时,严禁在危险警戒区域内使用任何电子通信设备。( )
A.正确
B.错误
[多项选择]负荷较大的车间和站房,宜设( )型式。
A. 附设变电所
B. 半露天变电所
C. 露天变电所
D. 组合式成套变电站
[单项选择]康明斯NTA-855-C360型发动机,N表示()。
A. 涡轮增压
B. 中间冷却
C. 系列
D. 功率
[多选题]绳夹在使用时应要注意( )。
A.其数量和间距与钢丝绳直径成正比
B.一般绳夹的间距最小为钢丝绳直径的6倍
C.绳夹的数量不得少于3个
D.钢丝绳受力后绳夹可以移动
E.钢丝绳受力变形后,为防止继续变形,可不拧紧绳夹
[单选题]编组、区段站及比照区段站办理和有驻站调机的中间站,对穿越()的调车作业计划应在下达前进行审核并在调车作业通知单上签名,强化安全控制。
A.到发线
B.正线
C.货物线
D.岔线
[判断题]肥胖型2型糖尿病初发者可首选二甲双胍类或噻唑烷二酮类口服降糖药。
A.正确
B.错误
[单选题]分布式电源并网点客户产权开断设备应由( )操作。
A.施工人员
B.验收人员
C.客户
D.供货单位人员
[单项选择]Organic farmers had fought to prevent genetically-engineered crops from being (67) organic, and it could (68) for them. Plants genetically (69) to resist insects and other pests (70) about 15-percent of United States crop production, but it has become a (71) 15-percent. Several European countries are refusing to (72) genetically-engineered crops from the United States. Jim Skiff, president of the Illinois-based company U-S Soy, says his company will not grow crops with genetically modified organisms, known as G-M-O for short.
But the biotechnology industry is fighting back. Here’s an advertisement produced by the Washington-based Council for Biotechnology Information. The biotech industry received a (n) (73) in April, (74) a National Academy of Sciences report (75) that G-M-O crops appear to be safe. G-M-O supporters called the report proof (76) fears of these crops are (77) , while c
[单项选择]Just over three years old and about four-feet tall. Methuselah is growing well. "It’s lovely." Dr. Sarah Sallon said of the date palm,whose parents may have provided food for the besieged Jews at Masada some 2 000 years ago. The little tree was sprouted in 2005 from a seed recovered from Masada, where rebelling Jews committed suicide rather than surrender to Roman attackers.
Radiocarbon dating of seed fragments clinging to its root, as well as other seeds found with it that didn’t sprout, indicate they were about 2 000 years old—the oldest seed known to have been sprouted and grown.
Sallon, director of the Louis L. Borick Natural Medicine Research Center at Hadassah Medical Organization in Israel, updates the saga of Methuselah in Friday’s edition of the journal Science.
One thing they don’t know yet is whether it’s a boy or girl. Date palms differ by sex, but experts can’t tell the difference until the tree is six or seven years old, Sallon said.
She hopes t
A. It will be made clear within a year or two.
B. It will remain a myth for at least a decade.
C. It won’t be known until several years later.
D. It won’t be decided without ancient knowledge.
[单选题]一台三相异步电动机,其铭牌上标明额定电压为220/380V,其接法应是( )。
A.丫/△
B.△/丫
C.△/△
D.丫/丫
[单项选择]患者,男,56岁。头晕耳鸣,头痛,面红目赤,口苦,烦躁易怒,舌红,脉弦。对首选的治疗药物描述,错误的是()。
A. 本类药物多质重之介类或矿石类
B. 本类药物都入肝经
C. 本类药物多具有安神定惊之效
D. 本类药物具有平肝潜阳或平抑肝阳之效
E. 本类药物也可以治疗肝阳化风或肝阳上扰之证
[判断题]离心机滤液用泵返回至保温沉降槽,沉降槽溢流澄清液流入热溶母液罐,经泵输至结晶工序。( )
A.正确
B.错误
[单选题] CF002 要关闭正在运行的程序窗口,可以按( )。
A.Alt+Ctrl键
B.Alt+F3键
C.Ctrl+F4键
D.Alt+F4键
[单选题]巷道维修、扩刷规定同一巷道内存在多段失修巷道时必须执行由外向内逐段维修,严禁()进行掘进或维修作业。
A.选择性
B.跨失修巷道
C.由大到小
[单项选择]数控车床检测项目是在精车试件上检测圆度,直径有一致性,端面的平面度和螺纹()。
A. 粗糙度
B. 尺寸精度
C. 形位公差
D. 螺纹的螺距积累误差
[简答题]论述社会政策实施过程受到哪些因素的影响。