热门试题:
[判断题]遇动车组发生故障等情况申请救援后，如在救援前故障修复可继续运行时列车调度员应根据司机请求，取消前发救援调度命令。
A.正确
B.错误
[单选题]电缆芯线接地故障处理，找到故障点后，应除去故障的点的( )，并将护套内故障芯线逐一绕包，修复绝缘层损伤。
A.金属外护套
B.绝缘层
C.裸露芯线
D.外护套
[单项选择]患者女性，58岁，右眼视力下降3个月，伴眼痛3天。VodHM／10cm，Tod38mmHg，Vos1．0，Tos12mmHg，右眼混合充血，角膜透明，前房轴深3．5C．T．，房水（-），瞳孔6mm×6mm，色素外翻，虹膜面见新生血管，晶状体混浊，视乳头轻度水肿，视网膜广泛火焰状出血，黄斑区水肿。左眼无充血，角膜透明，前房轴深3．5C．T．，房水（-），晶状体轻浊，眼底正常。患者可选用下列药物治疗，除了（）
A. 1％阿托品滴眼液3次／日，夜间加用阿托品眼膏
B. 溴莫尼定滴眼液降眼压
C. 1％毛果芸香碱滴眼液降眼压
D. 20％甘露醇注射剂脱水、浓缩玻璃体
E. 局部及全身应用糖皮质激素抗炎治疗
[单选题]下面哪一个不是高聚物聚合的方法( )
A.本体聚合
B.溶液聚合
C.链引发
D.乳液聚合
[单选题]可见光云图观测的是物体的【 】。
A.温度
B.反照率
C.高度
[多选题]《上海铁路局客运车站旅客换乘服务工作实施办法》规定，为方便旅客购买接续换乘车票，（ ）为旅客提供接续换乘的推荐方案服务。
A.铁路12306网站
B.铁路12306手机APP
C.人工售票窗口
D.自动售票机
[多项选择]砾类土适合的压实度检测方法为（）。
A. 灌砂法
B. 灌水法
C. 环刀法
D. 蜡封法
[单选题]治疗量的阿托品能引起( )(1.72分)
A.胃肠平滑肌松弛
B.腺体分泌增加
C.瞳孔扩大,眼压降低
D.心率加速,血压升高
E.中枢抑制,出现嗜睡
[单项选择]
Aspirin is one of the safest and most effective drugs invented by man. The most popular medicine in the world today, it is an effective pain reliever. Its bad effects are relatively mild. It is also cheap. For millions of people suffering from arthritis, it is the only thing that works. Aspirin, in short, is truly the 20th-century wonder drug. It is also the second largest suicide drug and is the leading cause of poisoning among children. It has side effects that, although relatively mild, are largely unrecognized among users. Although aspirin was first sold by a German company in 1899, it has been around much longer than that. Hippocrates, in ancient Greece, understood the medical value of tree barks and leaves which today are known to contain a chemical found in aspirin. During the 19th century, there was a great deal of experimentation in Europe with this chemical, and it led to the introduction of aspirin. By 1915, aspirin tablets were available in the United States. A small
A. against aspirin
B. in favor of aspirin
C. ignorant of aspirin
D. disinterested in aspirin
[多选题]电力电缆设备的标志牌要与（ ）的名称一致。
A.电网系统图
B.电缆拓扑图
C.电缆资料
D.电缆走向图
[填空题]It was supposed to have been a routine commercial flight over Peru. Flying at 7,000 feet, the plane had just passed through a minor electrical storm. Suddenly, without warning, a ball of dazzling light appeared off the starboard wing.
16. ______
Inside the plane, the lights grew dim, and the beginning of panic was evident. In the cockpit, the compass was going defective and radio reception went dead. Transmission, however, remained unaffected.
17. ______
The report reached the desk of Edward U. Condon of the University of Colorado. Doctor Condon is under contract to the Air Force and is the official watchdog for such aerial phenomen
- a.
He immediately began checking the persons aboard the plane who had seen the mysterious object.
Putting together bits of information from each, he quickly dismissed the obvious explanations. It had not been an exceptionally bright planet, such as Venus or Jupiter, nor a plastic weather balloon. It had not a
[多选题]根据《建筑起重机械安全监督管理规定》，出租单位或者自购建筑起重机械的使用单位应当报废的建筑起重机械（ ）。
A.属国家明令淘汰或者禁止使用的
B.没有完整安全技术归档的
C.经检验达不到安全技术标准规定的
D.超过安全技术标准或者制造厂家规定的使用年限的
E.没有齐全有效的安全保护装置的
[单项选择]（）伟大旗帜，是当代中国发展进步的旗帜，是全党全国各族人民团结奋斗的旗帜。
A. 中国特色社会主义
B. 有中国特色社会主义
C. 中国现代化
D. 社会主义
[单选题]在接触网支柱及接触网带电部分（ ）m范围以内的金属结构均必须接地，在与接触网相连的支柱及金属结构上，若未装设接地线或接地线已损坏时，严禁人员与之接触。
A.3
B.4
C.5
D.6
[判断题] ( )2000版ISO9000族标准可适用于所有产品类型、不同规模和各种类型的组织,并可根据实际需要增加某些质量管理要求。
A.正确
B.错误
[单选题]LLG～1型功率继电器极化继电器触点间距离应不小于多少( )。
A.电压放大倍数近似为1,没有电压放大作用，也没有电流放大作用
B.输出电压与输入电压同相位
C.输入电阻大，输出电阻小
D.频率响应好，稳定性好
[单选题]其他站线线路,轨道静态几何尺寸临时补修容许偏差管理值:轨距为+10,-4mm,水平为11mm,高低为( ),轨向(直线)为11mm。
A.7mm
B.8mm
C.10mm
D.11mm
[多项选择]冷轧钢带包装分为（）
A. 裸包
B. 简包
C. 普包
D. 精包
[单项选择]
M: So you’re visiting San Francisco
W: Yes, I just got here the day before yesterday, and you
M: I’m a native.
W: Oh, really All the people I meet here are tourists like me. I was beginning to think that maybe there were no natives.
M: Well. San Francisco has a lot of different ethnic groups, so you might think you’re seeing a lot of foreigners. But in fact, the city has a population of about 700, 000 people.
W: What are the ethnic groups
M: Well, after whites, the largest one is blacks.
W: I thought it was Chinese.
M: It’s true that San Francisco has the largest Chinese community outside Asia. But the black people there are more than Chinese.
W: That’s interesting. Don’t most of the Chinese people live in China-town
M: Well, no, they live throughout the city, but Chinatown is definitely the center of Chinese culture here. That’s where you’ll find
A. 12,000.
B. 700,000.
C. 50,000.
D. 20,000.
[单选题]下列哪项不是导致该患者骨折延迟愈合或不愈合的因素
A.反复手法复位
B.不适当的切开复位
C.过早功能锻炼
D.局部感染
E.没有达到解剖复位
[填空题]《高速铁路有砟轨道线路维修规则》规定，不得对调节器基本轨、尖轨及其所焊联的钢轨进行（）或顶推作业。
[单项选择]地黄的道地产区是（）
A. 广东
B. 吉林
C. 河南
D. 云南
E. 宁夏
[单选题]细菌染色最常用的染料是:( )
A.中性染料
B.碱性染料
C.酸性染料
D.瑞特染料
E.姬姆萨染料
[单选题]戊烷爆炸极限的体积百分含量为( )
A.1.1%—9.8%
B.1.7%—9.8%
C.3%—9.8%
D.3%—10%
[单项选择]下列对“酶工程”这一概念的理解，最准确的一项是( )。
A. 利用酶工程可以用淀粉末制造蔗糖。
B. 酶工程可以按人的需要生产产品。
C. 酶工程作为一项生物工程，它能生产出自然界没有的酶。
D. 酶工程须在酶反应器中进行，利用酶的生物催化作用生产产品。
[单选题]1 月 12 日凌晨 2 时许,由中国中铁大桥局承建的新建( )T 构
梁转体桥成功转体。
A.福广铁路青口特大桥
B.福厦铁路青山大桥
C.福厦铁路青口特大桥
D.福广铁路青口大桥
[单选题]胃蛋白酶失去活性的最低pH值是
A.2. 0
B.3. 0
C.4. 0
D.5. 0
E.6. 0
[多项选择]在国际货物买卖合同履行中，采用信用证方式支付的特点是（）
A. 信用证应根据基础交易合同开立
B. 在货物不符合合同规定时，开证行不能支付信用证下的款项
C. 由买方申请银行开立信用证
D. 信用证是独立的法律文件
[填空题]国家标准或者行业标准公布后，该项地方标准即行
[判断题]高低压同杆（塔）架设，在低压带电线路上工作前，应先检查与高压线路的距离，并采取防止误碰高压带电线路的措施。
A.正确
B.错误
[判断题]1.241. 第241题
安装在干燥房间里的保护屏、柜、开关柜的二次回路，可采用在表面经防腐处理的金属屏上直敷布线。
A.正确
B.错误
[单选题]人体内环境是指（ ）。
A.细胞外液
B.细胞内液
C.血液
D.其他三项都不是
