[单选题]设A,B为三阶矩阵,且特征值均为-2,1,1,以下命题:
(1)A~B;(2)A,B合同;(3)A,B等价;(4)|A|=|B|中正确的命题个数为().
A.1个
B.2个
C.3个
D.4个
[填空题]
· Read the article below about advertising.
· Choose the best sentence
from the opposite page to fill each of the gaps.
· For each gap 8--12, mark
one letter (A--G) on your Answer Sheet.
· Do not use any letter more than
once.
{{B}}
ADVERTISING{{/B}}
Advertising is part of our daily lives. To
find proof, you have only to leaf through a magazine or newspaper or count the
radio or television commercials that you hear in one evening. Most people see
and hear a mass of advertising messages every day. And people respond to the
many devices that advertisers use to gain their attention. Advertising is a big
business, and, to many people, a fascinating one, filled with attraction and
excitement. It is part literature, part art, and part show business. Advertising
is the difficult business of bringing information to great numbers of people.
The purpose of an advertisement is to make people respond into
[多项选择]民用建筑工程验收时应抽检有代表性的房间的室内环境污染物浓度,抽检数量应同时满足 ( )的规定。
A. 不得少于总数5%
B. 不应少于总数1.5%
C. 不得少于3间
D. 不应少于4间
E. 当房间总数少于3间时,应全数检测
[多选题]电流互感器不允许长时间过负荷的原因是( )
A.铁芯磁通密度达到饱和或过饱和,电流互感器误差增大,表计指示不正确,难以反映实际负荷;
B.磁通密度增大,铁芯和二次绕组过热绝缘老化快,甚至出现损坏等情况;
C.保护会误动作;
D.保护装置硬件会损坏
[判断题] 已搜索的房间,在房门等显著位置予以标示,已搜索的房间可开启。
*
A.正确
B.错误
[多选题]砍剪树木等工作可使用书面记录。书面记录包括( )。
A.A-作业指导书(卡)
B.B-派工单
C.C-任务单
D.D-工作记录
[判断题]税务机关采取税收强制执行措施时,对纳税人未缴纳的滞纳金和罚款必须同时强制执行。()
[多项选择]塑料绝缘电缆有()等几类。
A. 聚氯乙烯绝缘
B. 交联聚乙烯绝缘
C. 油浸纸绝缘
D. 橡胶绝缘
[判断题]变压器一、二次侧绕组因匝数不同将导致一、二次侧绕组的电压高低不等,匝数多的一边电压低,匝数少的一边电压高,这就是变压器能够改变电压的道理。
A.正确
B.错误
[单项选择]()是社会主义法治的价值追求。
A. 依法治国
B. 党的领导
C. 执法为民
D. 公平正义
[单选题]电气人员应参加( )培训和考试,考试合格方可从事电气工作。
A.电气作业指导书
B.电业安全工作规程
C.变电所管理规定
D.电气专业体系文件
[单选题]按化学品的危险性分类,氧化性液体指本身未必燃烧,但通常因放出(),可能引起或促使其他物质燃烧的液体。
A.氢气
B.氮气
C.氯气
D.氧气
[单选题]参加行内考试作弊的,给予有关责任人经济处罚,情节严重的,给予( )处分,参加行外考试作弊,有损本行形象的,给予警告至撤职处分。
A.警告至撤职
B.警告至记过
C.警告至记大过
D.警告至降级
[单选题]各生产场所应有( )的标示。
A.A.禁止通行
B.B.逃生路线
C.C.宣传标语
D.D.禁止喧哗
[简答题] My son Joey was born with club feet. The doctors assured us that with treatment he would be able to walk normally, but would never run very well.
The children in our neighborhood ran around as most children do during play, and Joey would jump right in and run and play, too. In seventh grade he decided to go out for the cross-country team. Every day he trained with the team. He worked harder and ran more than any of the others. Although the entire team runs, only the top seven runners have the potential to score points for the school. We didn’’t tell him he probably would never make the team, so he didn’’t know.
He continued to run four to five miles a day, every day —— even the day he had a 103-degree fever. I was worried, so I went to look for him after school. I found him running all alone. He had two more miles to go. The sweat ran down his face and his eyes were glassy from his fever. Yet he looked straight ahead and kept running. We never told him he couldn’’t run f
[判断题]最后一班载客列车开出前15分钟,行车值班员开始播放末班车提醒广播。
A.正确
B.错误
[多项选择]人力资源在我国经历的四个阶段包括()
A. 全员化阶段
B. 传播阶段
C. 专业化阶段
D. 扩展化阶段
[单项选择]急性心包炎所致心脏压塞的临床表现,下列哪项不正确
A. 奇脉
B. 心率加快
C. 心排血量降低
D. 静脉压显著增高
E. 外周动脉舒张压上升
[单项选择]寒痰湿浊凝滞于胸中,胸阳不振,咳唾胸痹,宜选用的药物是()
A. 佛手
B. 陈皮
C. 刀豆
D. 青木香
E. 薤白
[单项选择]关于保留金,下列说法错误的是( )。
A. 在业主手中
B. 用于承包商违约赔偿费
C. 应从首次支付进度款时起扣
D. 不属承包商的工程款
[多项选择][提示] 患者减药阶段,查血象发现白细胞2.5×109/L。
A. 定期复查血象
B. 酌情减少药物用量继续治疗,给予升白细胞等对症治疗
C. 维持原治疗方案,给予升白细胞等对症治疗
D. 待白细胞达到正常水平,恢复原治疗方案继续治疗
E. 待白细胞达到正常水平,重新选择治疗方案
F. 立即停用抗甲状腺药物,给予升白细胞等对症治疗
[判断题]张某将一国家珍贵文物倒卖给外国人,应按照非法向外国人出售珍贵文物罪和倒卖文物罪进行数罪并罚。
A.正确
B.错误
[单选题]刘奶奶,78岁。右侧第二磨牙牙龈红肿,牙痛影响睡眠。如果采用冷热疗法作为护理指导,一般进行多长时间为宜()
A.5分钟
B.10分钟
C.20分钟
D.1小时
E.1.5小时
[多选题]通信网有以下几种基本结构( )。(难)(消防通信网络设备)
A.网型
B.星型
C.复合型
D.环型和总线型
[单选题]【判断】交通银行的贷款处理采用客户经理发起,,授信部门审核,,信息驱动账务直接记账。()
A.A、正确
B.B、错误
[判断题]安全阀的作用是为了防止设备和容器内压力过高而爆炸,包括防止物理性爆炸和化学性爆炸。( )
A.正确
B.错误
[单选题]025323列车退行速度不得超过()km/h。
A.5
B.15
C.25
D.30
[单选题]426. 各单位应急预案由各单位根据工作需要向( )主管部门提出编制申请。
A.站段
B.总公司
C.路局