热门试题:
[多项选择]强心苷中毒引起的快速型心律失常，下述治疗措施可行的是（）
A. 停药
B. 给氯化钾
C. 用苯妥英钠
D. 给呋塞米
E. 给考来烯胺
[单选题]在厂站的带电区域内或邻近带电导体附近，禁止使用金属梯子；搬动梯子、管子等长物应将其放倒后，宜由两人搬运，并与（）保持足够的安全距离
A.母线
B.带电部分
C.安全围栏
D. 变压器
[单选题]100BASE-TX 的标准物理介质是 。
A.粗同轴电缆
B.细同轴电缆
C.3 类双绞线
D.5 类双绞线
E.光纤
[简答题]外语系打算举行一次茶话会(tea party)，庆祝程教授从事英语教学30周年(anniversary)．茶话会定于下周五即6月20日7时举行。请你写信邀请Brown教授参加，并以愉快的心情盼望他的光临。
[单选题]“一坡三挡”中的上部挡车栏设在变坡点下方( )处。 (单选题)
A.10m
B.15m
C.略大于一列车长度的地点
[单项选择]关于鸟氨酸循环的叙述错误的是（）
A. 鸟氨酸循环直接从鸟氨酸与氨结合生成瓜氨酸开始
B. 鸟氨酸循环从氨基甲酰磷酸合成开始
C. 每经历一次鸟氨酸循环消耗一分子氨
D. 每经历一次鸟氨酸循环消耗4个高能磷酸键
E. 鸟氨酸循环主要在肝内进行
[多选题]假设其他因素不变，下列事项中，会导致折价发行的分期付息、到期一次还本债券价值下降的有（ ）。
A.缩短到期时间
B.延长到期时间
C.提高票面利率
D.市场利率上升
[单项选择]( )是当前用量最大、使用范围最广的混凝土掺和料。
A. 沸石粉
B. 硅灰
C. 粒化高炉矿渣粉
D. 粉煤灰
[单选题]出站信号机的灯光熄灭、显示不明或显示不正确时,均视为( )信号。
A.停车
B.进行
C. 注意
[单项选择]
Once-daily Pill Could Simplify HIV Treatment
Bristol-Myers Squibb and Gilead Sciences have combined many HIV drugs into a single pill. Sometimes the best medicine is more than one kind of medicine. Malaria, tuberculosis and HIV/ AIDS, for example, are all treated with (1) of drugs. But that can mean a lot of pills to take. It would be (2) if drug companies combined all the medicines into a single pill, taken just once a day.
Now, two companies say they have done that for people just (3) treatment for HIV, the virus that causes AIDS. The companies are Bristol-Myers Squibb and Gilead Sciences. They have (4) a single pill that combines three drugs currently on the market. Bristol-Myers Squibb sells one of them (5) the name of Sustiva. Gilead combined the (6) , Emtriva and Viread, into a single pill in two thousand four.
Combining drugs involves more than (7
A. before
B. after
C. under
D. above
[判断题]变压器是一种将某一等级电压的交流电能转化为同频率的另一等级电压的交流电能,从而将能量从一个电路传递到另一个电路的静止电器装置。
A.正确
B.错误
[多选题]五四运动发生的历史背景有( )。
A.俄国十月革命胜利
B.中国代表拒绝在对德“和约”上签字
C.第一批共产主义小组成立
D.新文化运动的发展
[单项选择]When Secretary of State Condoleezza Rice stood beside Afghan President Hamid Karzai, she made an enlightened statement about cutting Afghanistan’s opium production, saying: "It is a problem that took a while to develop, and it will take time to end the problem."
Rice’s statement in March is the clearest confirmation yet of a gradual mm in U.S. policy since early 2004, when the Bush administration and Congress were calling for an immediate crackdown on Afghanistan’s biggest cash crop. Her statement shows the United States’ new patience and acceptance that it will take time for a democratic Afghanistan to eliminate opium production.
When the United States earlier pushed Karzai to immediately end opium production in his war-tom country -- without instituting the repressive tactics that historically have led to rapid success--the United States was giving the Afghan leader a virtually impossible task. Afghanistan could please the United States only by aggressive action that wo
A. Opium is closely related with the economy situation of Afghanistan people
B. It is a hard job which needs time
C. Afghanistan is not a democratic country
D. It is a problem left by history and it need more patience
[单项选择]应收账款下面分别设置了客户、项目和部门三个核算项目类型，设置科目与核算项目关系时，这三个核算项目的类型应选择（）。
A. 客户、项目和部门
B. 只选客户和项目
C. 只选客户和部门
D. 只选项目和部门
[单选题]在燃气轮机透平中完成能量转换的基本单位称为( )。
A.级
B.透平叶片
C.叶片
D.转子
[单选题]在深圳机场航空器活动区东区51号机位到69号机位道路直行限速（）km/h。
A.30
B.50
C.60
D.80
[简答题]
| 请从所给的四个选择项中，选择最适合的一个填在问号处，使之呈现一定的规律性。 |
[单选题] 在叉车(除装有伸缩门架和货叉的前移式叉车)上使用一组单一功能的操纵杆时,第四近的操纵杆控制( )。 单选
A. 起升和升降
B. 倾斜空能
C. 侧移功能
D. 辅助功能
[单选题]影响船间效应的因素有（ ）。①两船的横距越小，则船吸影响越大；②两船航向相同比航向相反时的影响小；③航速越高，影响越大；④船舶排水量越小，产生的反作用越激烈。
A.①③
B.②④
C.①④
D.②③
[单选题]在快递服务过程中，公司按照顾客的要求，准确地履行服务承诺。这种能力体现了服务特性的（）。
A.响应性
B.保证性
C.有形性
D.可靠性
[判断题]企业法人的分支机构有法人书面授权的，可以在授权范围内提供保证。（）
[判断题]插沙总用粮控制在全批总投粮的46% - 47%。 ( )
A.正确
B.错误
[单项选择]He might cheat his friends in a cheap card game, but he remains basically ______ in his business dealings.
A. suspicious
B. sophisticated
C. straightforward
D. shrewd
[判断题]当发生较严重水害断道，旅客列车滞留区间时，应及时将旅客列车撤离水害地点，并停靠在较大客运站，尽快安排折返或者迂回运行。
A.正确
B.错误
[单选题]焊接应有清洁的（）表面。
A.发黑
B.腐蚀
C.焊瘤
D.光滑
[单项选择]
Amtrak (美国铁路客运公司) was experiencing a downswing in ridership (客运量) along the lines comprising its rail system. Of major concern to Amtrak and its advertising agency DDB Needham, were the long-distance western routes where ridership had been declining significantly.
At one time, trains were the only practical way to cross the vast areas of the west. Trains were fast, very luxurious, and quite convenient compared to other forms of transportation existing at the time. However, times change and the automobile became America’s standard of convenience. Also, air travel had easily established itself as the fastest method of traveling great distances. Therefore, the task for DDB Needham was to encourage consumers to consider other aspects of train travel in order to change their attitudes and increase the likelihood that trains would be considered for travel in the west.
Two portions of the total market were targeted:
1.anxious fliers — those concerned
A. they could focus on meaningful travel experiences
B. they could increase the effectiveness of the TV programs
C. their profits could be increased by some 15 percent
D. most travel-lovers and nervous fliers were believed to be among the audiences
[单选题]对电气设备进行耐压试验时,需要施加一个比正常运行电压高出很多的试验电压,因此耐压试验属于()。
A.破坏性试验
B.破坏性试验
C.感应耐压试验
[单选题] 在MGB1420万能磨床晶闸管直流调速系统控制回路电源部分,经V1~V4整流后再经V5取得( )直流电压,供给单结晶体管触发电路使用。
A.7.5V
B.10V
C.-15V
D.+20V
[单项选择]配置2：1等张含钠液120ml需（）。
A. 0.9%NaC180ml，5%NaHCO40ml
B. 0.9%NaC180ml，l.8%NaHCO40ml
C. 0.9%NaC180ml，10%CS40ml
D. 0.9%NaC140ml，5%NaHCO80ml
E. 0.9%NaC180ml，l.4%NaHCO40ml
[单选题]执法人员玩忽职守,对应当予以制止和处罚的违法行为不予制止,处罚,致使公共利益或者公民、法人或者其他组织的合法权益受到损害的,对( )依法给予行政处分。
A.该烟草专卖行政主管部门
B.直接负责的主管人员
C.其他直接责任人员
D.直接负责的主管人员和其他直接责任人员
[单选题]作业活动危险源辨识应采用（）等方法进行危险源辨识。
A.SCL
B.JHA
C.HAZOP
D.LEC
[判断题]型号为QF-100-2型的同步发电机，其中“2”表示发电机为2极发电机。
A.正确
B.错误
[判断题]（ ）位于中跨度桥上的现场焊接应布置在1/4～1/2桥跨处，并避开边跨。
A.正确
B.错误
