热门试题:
[单项选择]房地产入股行为是属于( )。
A. 有偿转让
B. 无偿转让
C. 既属于有偿转让又属于无偿转让
D. 两者都不是
[填空题]在计算机网络中，实现数字信号和模拟信号之间转换的设备是 【12】 。
[单选题]建设工程勘察中需要占用临时用地，位于道路、绿化或者其他市政设施内的临时占地，由（ ）向行政管理部门报建申请。
A.发包人
B.勘察人
C.发包人或勘察人
D.发包人和勘察人
[判断题]当发现有人触电时，用干燥木棒、干绳索、硬塑料棒等不导电物体把触电者从电源上解脱下来。
A.正确
B.错误
[单选题]树枝接触或接近高压带电导线时，应将高压线路停电或用（ ）使树枝远离带电导线至安全距离。此前严禁人体接触树木。
A.绳索
B.干燥的毛竹
C. 绝缘工具
D.工具
[单项选择]ASTm升高提示的临床疾病是（）。
A. 肝硬变
B. 慢性肝炎
C. 重症肝炎、肝坏死
D. 肝癌
E. 阻塞性黄疸
[单项选择]颗粒剂制备中若软材过黏而形成团块不易通过筛网，可采取的措施为（）
A. 加适量黏合剂
B. 加适量高浓度的乙醇
C. 拧紧过筛用的筛网
D. 加大投料量
[判断题]在ISIS 中，System ID必须是路由器上的IP 地址
A.正确
B.错误
[单选题]718.下列关于内源性促胃液分泌物对壁细胞作用机制的叙述，正确的是
A.A.乙酰胆碱作用于M1受体升高细胞内cAMP
B.B.乙酰胆碱作用于M2受体升高细胞内cGMP
C.C.促胃液素作用于CCK-B/促胃液素受体升高细胞内cAMP
D.D.组胺作用于H1受体升高细胞内钙离子
E.E.组胺作用于H2受体升高细胞内cAMP
[单选题]铁路隧道遂长为2900米的隧道是（）。
A.中长隧道
B.特长隧道
C.长隧道
D.短隧道
[多选题]进行双期或多期扫描的增强部位或器官是( )
A.颅脑;
B.肺部;
C.肝脏;
D.肾脏;
E.胰腺。
[单项选择]有机磷农药中毒时可采用20%碳酸氢钠洗胃，除了
A. 特普
B. 对硫磷
C. 乐果
D. 敌敌畏
E. 敌百虫
[单项选择]根据《会计法》规定，有权制定国家统一的会计制度的政府部门是（ ）。
A. 国务院
B. 国务院财政部门
C. 国务院各业务主管部门
D. 省政府财政部门
[判断题]发生故障后，应详细检查继电保护、安全自动装置动作信号、故障相别、 故障测距等故障信息，复归信号，综合判断故障性质、地点和停电范围，然后检查保护范围内的设备情况。将检查结果记录下来。
A.正确
B.错误
[单选题]根据《施工企业安全生产评价标准》，建筑施工企业应进行年度安全生产自我考评，评价人员不应少于（ ）。
A.3 人
B.4 人
C.5 人
D.6 人
[单项选择]下列哪项不是胃肠黏膜的损害因素（）
A. 非甾体类药物
B. 吸烟
C. 过度精神紧张
D. 刺激性饮食
E. 前列腺素
[单选题] 冯·诺依曼计算机由五大部分组成,控制器是其中之一。它所执行的指令______。
A. 是由用户通过键盘直接输入的
B. 是从存储器中逐条取出的
C. 是从网络上下载的
D. 是用户通过鼠标来操作的
[单选题]在科学发展观的主要内容中指出,( )是中国特色社会主义的本质属性,这个重大判断深刻总结了国内外社会主义建设的历史经验,深化了对社会主义本质的认识。
A.主要矛盾
B.社会和谐
C.基本矛盾
D.初级阶段基本国情
[单选题]以下药物不属于钙离子拮抗剂的是（ )
A.比索洛尔
B.硝苯地平
C.尼群地平
D.佩尔地平
[判断题]84消毒液与酒精、含有盐酸的洁厕液等不可混合使用,混合后可能生成有毒氯化物或剧毒氯气危害健康()。
A.正确
B.错误
[单选题]The idea that some groups of people may be more intelligent than others is one of those hypotheses that dare not speak its name.But Gregory Cochran is 1 to say it anyway.He is that 2 bird,a scientist who works independently 3 any institution.He helped popularize the idea that some diseases not 4 thought to have a bacterial cause were actually infections,which aroused much controversy when it was first suggested.5 he,however,might tremble at the 6 of what he is about to do.Together with another two scientists,he is publishing a paper which not only 7 that one group of humanity is more intelligent than the others,but explains the process that has brought this about.The group in 8 are a particular people originated from central Europe.The process is natural selection.This group generally do well in IQ test,9 12-15 points above the 10 value of 100,and have contributed 11 to the intellectual and cultural life of the West,as the 12 of their elites,including several world-renowned scientists,13.They also suffer more often than most people from a number of nasty genetic diseases,such as breast cancer.These facts,14,have previously been thought unrelated.The former has been 15 to social effects,such as a strong tradition of 16 education.The latter was seen as a（an）17 of genetic isolation.Dr.Cochran suggests that the intelligence and diseases are intimately 18.His argument is that the unusual history of these people has 19 them to unique evolutionary pressures that have resulted in this 20 state of affairs.20选？
A.paradoxical
B.incompatible
C.inevitable
D.continuous
[单选题]制定促销组合是应考虑的因素不包含（）。
A.促销目标
B.促销预算
C.促销工具
D.产品性质
[不定项选择题]屏蔽门向信号系统不能反馈（ ）命令。
A.互锁解除
B.故障
C.开门
D.关门
E.关闭锁紧
[单项选择]工商行政管理的职责范围( )。
A. 只涉及消费品市场
B. 涉及非市场领域
C. 涉及整个市场
D. 只涉及有形市场
[单项选择]The mid-sixties saw the start of a project that, along with other similar research, was to teach us a great deal about the chimpanzee mind. This was project Washoe, conceived by Trixie and Allen Gardner. They purchased an infant chimpanzee and began to teach her the signs of ASL, the American Sign Language used by the deaf. Twenty years earlier another husband and wife team, Richard and Cathy Hayes, had tried, with an almost total lack of success, to teach a young chimp, Vikki, to talk. The Hayes’s undertaking taught us a test about the chimpanzee mind, but Vikki, although she did well in IQ tests, and was clearly an intelligent youngster, could not learn human speech. The Gardners, however, achieved spectacular success with their pupil, Washoe. Not only did she learn signs easily, but she quickly began to string them together in meaningful ways. It was clear that each sign evoked, in her mind, a mental image of the object it represented. If, for example, she was asked, in sign languag
A. chimps can also be taught to imitate their elders
B. like human beings, chimps can also learn some sign language through self-taught
C. young chimps can be clever enough to watch and learn
D. a young chimp is similar to a human child in intelligence development to know the nature of some objects
[判断题]换流阀厅设备安装过程中，悬吊式阀塔设备吊装应从下而上，吊装过程中应注意保持水平。（）
A.正确
B.错误
[判断题]CRH5型动车组塞拉门系统中有门驱动电机。（ ）
A.正确
B.错误
[单选题]ZD6A、D型转辙机单机使用时，摩擦电流为（ ）。
A.2.0～2.5A
B.2.3～2.9A
C.2.2～2.5A
[判断题]低压配电柜的额定电流是交流50Hz，额定电压220V的配电系统作为动力，照明及配电的电能转换及控制之用（）。
A.正确
B.错误
[单选题]车用汽油的闪点为-38℃,照明用煤油闪点为40℃,若将二者按1:1的比例混合,则混合物的闪点 ( ) 。
A.高于40℃
B.低于-38℃
C.低于二者的平均值(1℃)
D.高于二者的平均值(1℃)
[判断题]生产经营单位的主要从业人员有依法获得安全生产保障的权利,并应当依法履行安全生产方面的义务。( )
A.正确
B.错误
[判断题]张某因盗窃被公安机关刑事拘留3日后发现其盗窃数额未达到追诉标准，公安机关撤销刑事案件后对其作出行政拘留10日的处罚决定，送拘留所执行行政拘留10日。
A.正确
B.错误
[简答题]什么是智能电能表的临界电压?技术规范对其有何规定?
