热门试题:
[单选题]1948年8月7日至19日,在中国民主历程中具有重要意义的华北临时人民代表大会在石家庄人民 礼堂隆重召开。9月20日至24日,华北人民政府委员会在石家庄召开全体会议,( )当选政府主 席。
A. 董必武
B. 杨秀峰
C. 薄一波
D. 蓝公武
[单项选择]下列各项，不属麻疹逆证特点的是
A. 发热如潮，壮热汗出
B. 疹出即没
C. 疹色紫暗
D. 咳剧气急
E. 声音斯哑，咳如犬吠
[多选题]复吹转炉用底吹气体的种类有( )。
A.N2、O2
B.Ar、天然气
C.CO、CO2
D.CH4、H2
[单选题]关于种群、群落和生态系统的叙述，正确的是（ ）。
A.种群中的个体是生物进化的基本单位
B.亚热带生长的常绿阔叶林组成了一个种群
C.马尾松林地中所有树木构成了生物群落
D.生态系统的营养结构包括食物链和食物网
[单项选择]围术期急性心肌梗死常见的临床表现是（）。
A. 体温升高
B. 白细胞升高
C. 压榨性心前区疼痛
D. 呼吸困难
E. 严重低血压
[单选题]带互感器的低压三相四线电能表，如果三只电流互感器进出线全部接反，则（ ）。
A.正确计量
B. 反向计量
C. 不计量
D. 烧坏电表
[单选题]以下选项中，（）最接近现实中的完全垄断。
A.邮政
B.电力
C.航空
D.运输
[单项选择]在Word2003中，对已经保存过的文档可以继续编辑修改，再次存盘时，只需单击“保存”按钮或按快捷键（）都可以按原文件名保存修改结果。
A. Ctrl+S
B. Ctrl+C
C. Ctrl+V
D. Ctrl+X
[判断题]2.20.
敞开式 SF6断路器SF6气体湿度20℃ (μL/L)：新安装、大修后：≤150μL/L
A.正确
B.错误
[判断题]驾驶人驾驶有达到报废标准嫌疑机动车上路的，交通警察依法予以拘留
A.正确
B.错误
[单项选择]焊接性包括（）的内容
A. 适应性能和使用性能两方面
B. 使用性能
C. 结合性能
D. 接合性能和使用性能两方面
[单项选择]从信息系统应用目的和效果来观察，信息系统可以分为不同的进化阶段，ERP是（）阶段的典型应用。
A. 内部效率
B. 外部效率
C. 内部集成
D. 外部集成
[单项选择]即期外汇交易的交割不能（）。
A. 跨旬
B. 跨月
C. 跨季
D. 跨年
[单项选择]74年海上人命安全公约简称（）。
A. STCW公约
B. SOLAS公约
C. OPRC公约
[简答题]双车道四级公路，一般能适应按各种车辆折合成中型载重汽车的年平均日交通量为多少辆以下？
[判断题]43 反射亢进或增强是因反射弧或反射中枢兴奋性增高或刺激过强所致。
A.正确
B.错误
[多选题]111. 对于行政执法机关及其行政执法人员的违纪行为，下列哪几个选项的说法是正确的？
A.有关机关应当依法及时移送有关主管部门处理
B.有关机关应当依法及时移送监察机关处理
C.有关机关应当依法及时移送公安机关处理
D.有关机关应当依法及时移送上级主管部门处理
[单项选择]
Many with New College Degree Find the Job Market Humbling
The individual stories are familiar. The chemistry major tending bar. The classics major answering phones. The Italian studies major stocking shelves at Wal-Mart.
Now evidence is emerging that the damage caused by the sour economy is more widespread than just a few careers led astray (偏离正轨的) or postponed. Even for college graduates—the people who were most protected from the effects of recession—the outlook is rather bleak (黯淡的).
Employment rates for new college graduates have fallen sharply in the last two years. What’s more, only half of the jobs landed by these new graduates even require a college degree, reviving debates about whether higher education is "worth it" after all.
"I have friends with the same degree as me, from a worse school, but because of who they knew or when they happened to graduate, they’re in much better jobs," said Kyle Bishop, 23, a
A. They might have negative effects on his ultimate career.
B. They would definitely be the highlight of his resume.
C. They could land him a good job in publishing or writing.
D. They were the only way to pay off his student loan debt.
[单项选择]
American architecture is (1) its best when it is concerned with (2) that have a practical purpose. Factories, office buildings, public buildings, rail terminal and airports, and other such (3) show American architecture at its (4) imaginative and graceful, as well as its most (5) . The single most important American (6) design is the skyscraper, a style (7) in the late nineteenth century and since (8) as the trademark of American building. (9) the development of the steel skeleton and brick for buildings, the weight and low strength of stone and brick limited the (10) of the city office buildings (11) about twelve floors. (12) American cities grew larger in closing years of the 19th century, the (13) on which the structures might be placed because more valuable, the (14) for taller buildings increased. The use of steel (15) for construction was a direct response (16) t
A. knowing
B. know
C. knew
D. known
[单选题]我国目前广泛使用的是穿销式防爬器。这种防爬器每个可以承受( )的防爬力。
A.10kn
B.20kn
C.30kn
D.40kn
[简答题]Today information technology has come to play a very important role in our daily lives. It involves more than just computer literacy; it also takes into account how computers work and how these computers can further be used for information processing and for communications and problem solving tasks. Some people say information technology is a breakthrough in human development since it brings with it so many conveniences while some others believe that disadvantages of information technology outweigh its advantages. What is your opinion Please write an essay of about 400 words.
In the first part of your essay you should state clearly your main argument, and in the second part you should support your argument with appropriate details. In the last part you should bring what you have written to a natural conclusion or make a summary.
You should supply an appropriate title for your essay.
Marks will be awarded for content, organization, grammar and appropriateness. Failure to fo
[填空题]在正确插入IC卡时,LKJ-2000监控装置屏幕右边状态窗口的“IC卡”灯( )。《LKJ2000型列车运行监控记录装置》P253
[单项选择]女，35岁。患肺结核已3年，治疗不规则，2天前受凉后发热，38℃，体检无明显异常。胸片示两上肺斑片状阴影，伴不规则透亮区，为判断肺结核是否活动，下列哪项最有意义 （）
A. 痰结核杆菌阳性
B. 胸片上有空洞病变
C. 胸片上浸润性病变
D. 发热等结核中毒症状
E. 血流增高
[单项选择]氧离曲线右移是因为（）
A. 体温升高
B. 血液pH升高
C. 血液PCO2降低
D. 2，3-磷酸甘油酸减少
E. H＋浓度下降
[判断题]中性点不接地系统的设备外绝缘配置至少应比中性点接地系统配置高一级,直至达到e级污秽等级的配置要求。
A.正确
B.错误
[单项选择]
Text 3
Biologically, there is only one quality which distinguishes us from animals: the ability to laugh. In a universe which appears to be utterly devoid of humor, we enjoy this supreme luxury. And it is a luxury, for unlike any other bodily process, laughter does not seem serve a biologically useful purpose. In a divided world, a laughter is a unifying force. Human begins oppose each other on a great many issues. Nations may disagree about systems of government and human relations may be plagued by ideological factions and political camps, but we all share the ability to laugh. And laughter, in turn, depends on the most complex and subtle of all-human qualities: a sense of humor. Certain comic stereotypes have a universal appeal. This can best be seen from the world-wide popularity of Charlie Chaplain’s early films. The little man at odds with society never fails to amuse no matter which country we come from. As that great commentator on human affairs, Dr.
A. spotlight the unifying force of a sense of humor.
B. stress the harmony between individuals and society.
C. highlight the incomparable luxury of humor.
D. show the distinction between humans and animals.
[判断题]一个人只要有丰富的道德知识，他就会具有良好的道德品质。（ ）
A.正确
B.错误
[多选题]电离辐射广泛应用于工业。以下哪些应用属于工业应用( )
A.核磁共振
B.各类核子秤
C.工业辐照
D.工业射线探伤
E.放射性测井
[判断题]设备空负荷试验运转应符合下列要求:应按说明书及有关规定的空负荷试验的工作规范和操作程序,试验各运动机构的启动,其中对大功率机组,可以频繁启动。( )
A.正确
B.错误
[单项选择]活动实例如果被终止，怎样才能再次处于运行状态（）
A. 恢复
B. 激活
C. 重启活动实例
D. 回退
[判断题]（）火灾使人致命的最主要原因是被人践踏。
A.正确
B.错误
[单选题]下列属于中哈国境点的是（ ）A. KAMUD
B. PURPA
C. REVKI
D. LINSO
A.A
B.B
C.C
D.D
[单项选择]女性，29岁，高血压史2年，偶有手足抽搐，血压介于22.6~28/13.3~17.3kPa（170~210/100~300mmHg），血钾3.4mmoVL，尿钾27mmol/24h，尿蛋白+~++。下述哪项可以鉴别原发或继发性醛固酮增多症（）
A. 血浆血管紧张素Ⅱ测定
B. 放射性碘化胆固醇肾上腺扫描
C. 血浆ACTH测定
D. 血浆肾素活性测定
E. 赛庚啶实验测血浆醛固酮
[判断题]d60表示通过百分率为60%时在累计曲线上对应的粒径。
[单项选择]风心病二尖瓣狭窄患者，随右心功能不全的加重，会减轻的临床表现是（）.
A. 肝大伴压痛
B. 心率增快
C. 急性肺水肿发作
D. 心尖区舒张期隆隆样杂音
E. 胃肠道淤血症状
[多项选择]软楔的制作要求包括（）。
A. 用钢板做圆锥体
B. 网罩内装石块
C. 网格约0.1m×0.1m
D. 网罩内填麦秸、稻草等软料
E. 用细绳拴结成圆锥形网罩
[多选题]CR400AF动车组若发现（），进行人工滚动试验，如无异常，随车机械师通知司机限速40km/h维持运行，请求前方站救援。
A.轴箱点温超标
B.可视范围内无异常
C.轴箱破损、变色
D.且未伴随其它组合故障
