热门试题:
[单项选择]
Text 4 What is less well understood by the general public is that there have been a number of trends which have further contributed to the diminishment of excavation as an activity. As Bahn puts it "there have been two major trends over time: first, excavation has become far slower and more painstaking....The work is incredibly meticulous... Secondly, we can learn far more from what we have." The conclusions to be drawn from this would appear to be contradictory. As technology improves we are able to undertake a wide variety of analysis from microscopic, radio carbon dating or even DNA samples. The ability to determine more, from fewer samples again suggests that less excavation is required. Moreover, more often than not the balance of effort now rests with the specialist analysers such as pollen experts and dating analysis rather than the excavators. So, again some of the requirements for extensive excavation have diminished through the advancement of other anal
A. surviving material culture is easy to understand.
B. museums am not capable of preserving so many items.
C. archaeology is not a high priority in both countries.
D. further excavation might be unnecessary.
[单选题]动车组列车发生故障时,故障车停靠站台时,换乘时应尽可能安排在( )。
A.反方向一侧
B.同一站台面
C.左侧
D.右侧
[判断题]
当轿厢在开锁区域内时,门锁方能打开,使开门机动作,驱动轿门、层门开启。
A.正确
B.错误
[单项选择]用于率定回弹仪的钢砧的洛氏硬度HRC应为()。
A. 50±2
B. 60±2
C. 70±2
D. 80±2
[单项选择]β值系用来衡量股票型基金相较于整体股市的风险与报酬,如果其涨(跌)幅高于整体股市涨(跌)幅,请问此时β值为多少
A. β=1
B. β<1
C. β>1
D. β<0
[填空题]神华八轴交流电力机车轴牵引功率为( ) kW。
[单选题]基坑开挖中,各种机械、车辆严禁在开挖的基础边缘()m内行驶、停放。
A.1
B.1.5
C.2
D.2.5
[单项选择]在高强度螺栓抗拉连接中,摩擦型与承压型承载力设计值()。
A. 不一定相同
B. 基本相同
C. 前者高于后者
D. 后者高于前者
[单项选择]患者,男,20岁。2个月前上腹部被车把撞伤,出现上腹部持续坠胀痛,逐渐膨起,餐后加重,并放射至腰背部,伴有恶心、呕吐。查体:体温38℃,上腹部偏左侧明显膨隆,可扪及界限不清、固定、有触痛肿物,直径8cm。对于选择下一步治疗方法最有意义的是()
A. 血淀粉酶
B. 腹部超声
C. ERCP或MRCP
D. 上消化道造影
E. 腹部MRI
[单选题] 更换熔体或熔管,必须在()的情况下进行。
A.带电
B.不带电
C.带负载
[单选题]人员密集的公共场所的室外疏散通道的净宽度不应小于()m。
A.2
B.2.5
C.3
D.4
[判断题](2020年)居民企业在汇总计算缴纳企业所得税时,其境外营业机构的亏损可以抵减境内营业机构的盈利。( )
A.正确
B.错误
[单项选择]在企业中,在岗培训计划通常采用()的方式制定。
A. 与员工协商
B. 自上而下
C. 自下而上
D. 人力资源部门自行规划
[判断题] 车辆识别代号(VIN)足以保证30年之内在世界范围内制造的所有车辆的车辆识别代号具有唯一性。
A.正确
B.错误
[多选题] 犯罪未遂具有如下特征()
A. 已经着手实行犯罪
B. 犯罪没有得逞即没有具备构成某个具体犯罪的全部要件
C. 犯罪没有得逞是由于犯罪分子意志以外的原因
D. 为实施犯罪准备工具制造条件
[单选题]220kV等电位作业人员与地电位作业人员传递工具和材料时,应使用绝缘绳索进行,其有效长度不准小于()m。
A.A.1.6<
B.B.1.7<
C.C.1.8<
D.D.1.9<
[判断题]施工现场为预防电击,接地棒应镀锌,直径应不小于12mm,插入地下的深度应大于0.4m。( )
A.正确
B.错误
[多项选择]以下属于个人汽车贷款合作机构带来的风险的是( )。
A. 不法分子为骗贷成立虚假车行
B. 保证保险的责任限制造成风险缺口
C. 保险公司依法解除保险合同
D. 保险公司以“免责条款”拒绝承担保险责任
E. 借款人伪造申报材料骗取贷款
[填空题]In Medieval England the tallest horses were ridden by people of the highest rank who, from their lofty{{U}} (36) {{/U}}, looked down on their humble subjects. From this we get the phrase to be on one’s high horse or to ride the high horse,{{U}} (37) {{/U}}somebody who behaves scornfully or appear arrogant.
The sport of horse racing is said to date from ancient{{U}} (38) {{/U}}times. Presumbly even then horse owners would make bets as to whose horse was faster. The ancient{{U}} (39) {{/U}}games of Greece included what are thought to be the first public horse races, and harness-horse racing began some years later when horses were{{U}} (40) {{/U}}to pull chariots. The Romans{{U}} (41 ) {{/U}}the chariot race above all others.
Organized horse racing dates from 12th-century Britain, when royalty{{U}} (42) {{/U}}this pastime, and horse racing is still called the sport of king.{{U}} (43) {{/U}}is an integral part of the racing scene, and unfortunately many individuals
[判断题]剧毒物品的仓库应使用密闭措施。
A.正确
B.错误
[单项选择]一般所称的“横向分析”,是指()。
A. 趋势分析
B. 比率分析
C. 结构分析
D. 横截面分析
[多项选择]常见的微生物感染途径有()。
A. 呼吸道感染
B. 消化道感染
C. 创伤感染
D. 接触感染
E. 垂直传播
[多选题] 进行线路停电作业前,应断开()、配电站(所)(包括用户设备)等线路断路器(开关)和隔离开关(刀闸)。
A.发电厂
B.变电站
C.换流站
D.开闭所
[多项选择]时空转换是在哪几种作用下实现的()
A. 山水作用
B. 诗词作用
C. 心理作用
D. 历史作用
[单项选择]在蛋白质电泳分离和抗原抗体检测的基础上发展起来的一项检测技术是()
A. 免疫层析试验
B. 酶联免疫斑点试验
C. 斑点酶免疫吸附试验
D. 放射免疫沉淀试验
E. 免疫印迹法
[单选题]家用电器损坏之日起( )日内,受害居民客户未向供电企业投诉并提出赔偿要求的,即视为受害者自动放弃索赔权 。
A.5天
B.7天
C.15天
D.24天
[判断题]吸收操作时,增大吸收剂的用量总是有利于吸收操作的
A.正确
B.错误
[判断题] ( )制动器制动力受地面附着力的限制。
A.正确
B.错误
[单选题]安全工器具宜存放在温度为-15~+35℃、相对湿度为( )、干燥通风的安全工器具室内。
A.80%以下
B.80%以上
C.90%以下
D.70%以下
[单选题]马克思主义哲学的显著特征是: ( )
A. 革命性和批判性
B. 实践性和阶级性
C. 科学性和历史性
D. 辩证性和彻底性
[单项选择]
Conversation 1
What does the woman buy at last()
A. A pen and a pencil.
B. A chess set.
C. A car model.
D. Nothing is bought.
[判断题]按照科斯定理,分配私人产权要确保获得利润。 ( )
A.正确
B.错误
[填空题]使用汽车起重机起吊超过()重量的物件时,应用四个架脚支持在地面上。如在松土地面上工作时,应在架脚下垫置()。
[单选题]下列关于甲亢危象病人的救治,错误的是
A.应将病人放在凉爽通风的环境中
B.高热病人给予阿司匹林降温
C.口服或胃管灌入丙硫氧嘧啶
D.短期给予碘制剂
E.鼓励病人饮水
[判断题]滑动轴承只可以采用油润滑。( )
A.正确
B.错误