热门试题:
[填空题]Educators are seriously concerned about the high rate of dropouts among the doctor of philosophy candidates and the consequent loss of (36) to a nation in need of Ph. Ds. Some have placed the dropouts loss as high as 50 percent. The (37) of the loss was, however, largely a matter of expert (38) . Last week a well-rounded study was published. It was based on 22000 questionnaires sent to (39) graduate students who were (40) in 24 universities and it seemed to show many past fears to be (41)
The dropouts rate was found to be 31 per cent, and in most cases the dropouts, while not completing the Ph. D. requirement, went on to productive work. They are not only doing well (42) , but, according to the report, are not far below the income levels of those who went on to complete their doctorates.
Lack of motivation was the (43) reason for dropping out. Most dropouts went as far in their doctoral
[判断题]配置旁路检修开关的不间断电源设备检修时,应严格执行停机及断电顺序。
A.正确
B.错误
[单项选择]氧合状况与放射敏感性的关系()
A. 氧合好的肿瘤细胞放射敏感性低
B. 乏氧的肿瘤细胞放射敏感性高
C. 乏氧的肿瘤细胞放射性敏感性低
D. 氧合状况与放射敏感性没有关系
E. 以上说法都不对
[单项选择]腮腺良性肥大的改变属于
A. 非炎症性
B. 炎症性
C. 病毒性感染
D. 特异性感染
E. 家族性
[单选题]真空集便器集便控制箱各指示灯显示正确,80%、( )液位指示灯无报警。
A.空箱
B.0.5
C.0.6
D.1
[多选题]本规程适用于在运用中的()电气设备上及相关场所工作的所有人员,其他单位和相关人员参照执行。
A.发电
B.输电
C.变电(包括特高压、高压直流)
D.配电和用户
E.略
F.略
[多选题].《消防法》规定,任何单位和个人都有( )维护消防安全、保护消防设施、预防火灾、报告火警的义务.任何单位和成年人都有参加有组织的灭火工作的义务。
A.及时举报
B.维护消防安全
C.保护消防设施
D.预防火灾
E.报告火警
[填空题]筛理物的物理特性主要有(),(),()和()。
[单项选择]Psychologists think a compulsive spender ______.
A. takes great pleasure from what he or she buys
B. wants to satisfy his or her basic needs in life
C. tends to meet his or her strong psychological need
D. is possessed entirely with an irrational eagerness
[单选题]线路位置称号指上线、中线或下线和()的左线或右线。
A.面向送电侧
B.面向受电侧
C.面向线路杆塔号增加方向
D.面向线路杆塔号增加方向
[单项选择]下列选项中,属于建筑设备安装工程的是()。
A. 电气照明安装工程
B. 生产设备安装工程
C. 实验设备安装工程
D. 传动设备安装工程
[判断题]安全线上禁止停留机车车辆。
A.正确
B.错误
[单项选择]第一篇
Too Late to Regret It
When I was a junior, I met a second-year student in my department. He wasn’t tall or good-looking, but he was very nice, attractive and athletic. He had something that I admired very much. He was natural, warm, and sincere.
I disregarded (不顾) my parents’ disapproval. We were very happy together. He picked me up from my dorm every morning, and after class we would sit alongside the stream that ran through campus, or sunbathe (晒太阳) on the lawn. At night he would walk me back to my dorm. He came from a poor family, but in order to make me happy, he borrowed money from his friend to buy presents and meals for me. Our fellow students looked up to him as a role model, and the girls envied (妒忌) me. He wasn’t a local, but wanted to stay here after graduation. I thought we had a future together.
However, when I got a part-time job during the summer vacation, people began giving me a lot of pressure, saying that a pretty, intelligent girl like me should find
A. Because he could no longer bear her.
B. Because he hated her.
C. Because his parents needed taking care of.
D. Because he wasn’t a local.
[单选题]下列软件中,( )不是计算机的操作系统软件。
A.Windows2003
B.Office 2003
C.AIX
D.DOS
[简答题]简述转换成本从哪些方面对行业竞争形势产生影响。
[单项选择]关于碳氧反应速度描述正确的是()。
A. 冶炼前期铁水碳含量最高,碳氧反应速度最快
B. 冶炼中期碳氧反应速度最快
C. 冶炼后期炉内温度最高,碳氧反应速度最快
[判断题]人民警察使用警械和武器,应当以制止违法犯罪行为,尽量减少人员伤亡、财产损失为原则。()
A.正确
B.错误
[判断题]()反接制动由于制动时对电机产生的冲击比较大,因此应串入限流电阻,而且仅用于小功率异步电动机。
A.正确
B.错误
[多选题]自动喷水灭火系统是指由()组成。
A. 洒水喷头
B. 报警阀组
C.水流报警装置
D. 以及管道、供水设施
[判断题]SFC型扣件分为直列式和错列式两种。()
A.正确
B.错误
[单项选择]类固醇激素的前体是
A. 胆固醇
B. 蛋白质
C. 葡萄糖
D. 胺类
E. 核酸
[多选题]验收时,施工单位应提交下列仪表和备品(____)。
A.高内阻万用表
B.温度计2支,刻度为0~100℃
C.蓄电池的备品
D.蓄电池容量测量仪
[多项选择]权责发生制原则的要求是______。
A. 凡是在本期收到和付出的款项,都作为本期收入和费用处理
B. 已经实现的收入无论款项是否收到,都作为本期收入处理
C. 已经发生的费用,无论款项收否实际支付都作为本期费用处理
D. 凡是本期发生的费用,只要没有实际付出款项,都不作为本期费用处理
E. 凡是本期发生的收入,只要没有实际收到款项,都不作为本期收入处理
[多选题]有毒有害物品的起重装卸,应注意()。
A.人站在上风处
B.通风条件
C.不准肩扛背负
D.不准阴雨天装卸
[单项选择]对艺术的影响最直接、最深刻的意识形态是______。
A. 政治
B. 哲学
C. 道德
D. 宗教
[单选题]有限空间作业中一旦发生事故,()应立即启动应急救援预案,做好应急救援工作;及时、如实报告生产安全事故。
A.许可人
B.作业批准人
C.作业负责人
[单项选择]重度氨中毒特性是()。
A. 喉头水肿
B. 头昏
C. 心跳加速
D. 呕吐
[单选题]B-B-C-004 4 2 3
混凝土灌注时,当混凝土灌注的间歇时间超过规定时,需待前层混凝土达到不小于( )的抗压强度后,才允许继续灌注新混凝土。
A.0.2MPa
B.0.8MPa
C.1.2MPa
D.1.6MPa
[单项选择]录像机音频系统在重放状态时,必须在放音前置放大器中进行()
A. 大幅度的提升高音频
B. 大幅度的提升中音频
C. 大幅度的提升中、高频
D. 在幅度的提升低音频
[判断题]从历时的角度看,言语先于语言;从共时的角度看,言语是语言的存在的形态。
[单项选择]肛瘘内口大多数位于()
A. 肛窦内
B. 直肠瓣处
C. 肛提肌处
D. 肛管
E. 肛门缘
[多选题]程序正当是当代行政法的基本原则,遵守程序是行政行为合法的要求之一。下列哪些做法违背了这一要求?
A.某环保局对当事人的处罚听证,由本案的调查人员担任听证主持人
B.某县政府自行决定征收基本农田35公顷
C.某公安局拟给予甲拘留10日的治安处罚,告知其可以申请听证
D.乙违反治安管理的事实清楚,某公安派出所当场对其作出罚款500元的处罚决定
[单选题]成人骨折后,骨的修复主要依靠( )。
A.骺软骨
B.骨膜,骨髓
C.骨细胞
D.骨密质
[多选题]因身患重病、行动不便、无自理能力等无法自行前往银行的存款人办理挂失、销户等业务时,银行可采取上门服务方式办理,也可由()凭合法的委托书、代理人与被代理人的关系证明文件、被代理人所在社区居委会(村民委员会)及以上组织或县级以上医院出具的特殊情况证明代理办理。
A.配偶
B.父母
C.成年子女
D.朋友