热门试题:
[多选题]㠋型动车组液位显示仪指示灯用（ ）颜色表示不同含义。
A.红
B.黄
C.绿
D.白
[单项选择]基础大放脚水平灰缝高低不平原因是 ___ 。
A. 砂浆不饱满
B. 准线没收紧
C. 舌头灰末清出
D. 留样不符合要求
[单选题]( )复杂、极复杂矿井应当每月至少开展1次水害隐患排查,其他矿井应当每季度至少开展1次。
A.地质构造
B.煤层形态
C.水文地质条件
[填空题]The shorter growing seasons expected with climate change over the next 40 years will endanger hundreds of millions of already poor people in the global tropics, say researchers working__62__ the world’s leading agricultural organizations.
The effects of climate change are likely to be seen across the entire tropical__63__but many areas previously considered to be__64__food secure are likely to become highly__65__droughts, extreme weather and higher temperatures, say the__66__with the Consultative Group on International Agricultural Research.
Intensively farmed areas __67__northeast Brazil and Mexico are likely to see their__68__growing seasons fall below 120 days, which is__69__for crops such as corn to mature. Many other places in Latin America are likely to __70__temperatures that are too hot for bean__71__a staple in the region.
The impact could be__72__most in India and southeast Asia. More than 300 million people in south Asia are likely to be affected even with a 5% decrease i
A. A．zone
B．segment
C．portion
D．sphere
[填空题]NetWare文件系统所有的目录与文件都建立在 __________________硬盘上。
[单项选择]The Kalinago tribe, on the island of Dominica, is under some historic population pressure. The (31) majority of the West Indies’ natives died (32) disease, murder or suicide during the first few hundred years of colonization. The Kalinago (33) as a tribe because of their location high in Dominica’s rugged area, which was less (34) for colonial ranches.
Today, Kalinago are among the poorest on Dominica, so many young people leave (35) studies or work and never return. It has become clear (36) the future of the Kalinago people will be endangered if more of its (37) don’t decide to stay.
One radical proposal for (38) the tribe came in 2008 from then-chief Charles Williams. He suggested making marriage to other tribal members (39) in order to preserve the bloodline of the tribe’s estimated 1,500 "pure" natives. The suggestion was not (40) , but it generated heated debate among the natives.A. from
B. with
C. on
D. for
[单项选择]不能依据骨髓穿刺检查而排除诊断的疾病是（）。
A. 巨细胞贫血
B. 原发性血小板减少性紫癜
C. 多发性骨髓瘤
D. 淋巴瘤
E. 再生障碍性贫血
[单选题]23.单个人员和建制单位出列、入列，通常用跑步，（ ）步以内用齐步。
A.3
B.4
C.5
D.6
[单项选择]
Questions 17—20 are based on the following talk about the language ability.
Is language a basic human need without which a child at a critical period of life can be starved and damaged Judging from the experiment of Frederick in the thirteenth century it may be. Hoping to discover what language a child would speak if he heard no mother tongue, he told the nurses to keep silent. All the infants died before the first year.
Today no such drastic deprivation exists. Nevertheless, some children are still backward in speaking. Most often the reason is that the mother is insensitive to the signals of the infant. There are critical times when children learn more readily. If these sensitive periods are neglected, the ideal time for acquiring skills passes and they might never be learned so easily again.
Linguists suggest that speech milestone is reached in a fixed sequence and at a constant age. At twelve weeks a baby smiles and utters vowel-like sounds; at t
A. The child’s brain was damaged.
B. The child died.
C. The child kept silent.
D. The child heard no mother tongue.
[填空题]有效胶体渗透压等于__________减去_______的差值。
[判断题]遇到6级以上大风时，不应进行露天高处作业。
[填空题]乘务员和调车人员上下车不得抢上抢下，严禁( )，特别注意地面、脚蹬、扶梯、手闸台 等有无积水、结冰、坑洼、障碍物，防止伤亡事故发生。
[单选题]换流站内，运行中高压直流系统直流场中性区域设备、站内临时接地极、接地极线路及接地极均应视为（ ）。
A.A.非带电体
B.B.带电体
C.C.部分带电体
D.D.绝缘体
E.略
F.略
G.略
[单选题]生产经营单位的主要负责人不依照本法规定保证安全生产所必需的资金投入，致使生产经营单位不具备安全生产条件的，责令（），提供必需的资金。
A.限期改正
B.停产整顿
C.关闭退出
D.整改
[单项选择]对于原因不明的惊厥、抽搐患者，诊断毒鼠强中毒时，关于哪项鉴别诊断是错误的（）
A. 脑部疾病所致继发性癫痫
B. 破伤风、狂犬病惊厥等疾病
C. 主要需与氟乙酰胺中毒鉴别
D. 病毒性脑炎
E. 不需要与精神分裂症、酒精性戒断综合征相鉴别
[判断题]在商用集中告警系统中，当设备告警发生后，告警终端现醒目闪烁的告警图示，当值班员确认后，系统需手动停止声音告警，同时告警图示停止闪烁。（ ）
A.正确
B.错误
[单选题]以心尖部最为响亮的收缩期杂音见于
A.二尖瓣狭窄
B.二尖瓣关闭不全
C.主动脉瓣狭窄
D.三尖瓣关闭不全
E.肺动脉瓣狭窄
[单项选择]甲向乙购买临街铺面房一间，成交后未办理房屋产权变更登记。随后，甲以该房屋作为出资，与乙共同创办了一家合伙商店。一年后，甲因私人债务与丙签订合同，将此房屋抵押与丙。乙提出异议。对此案的认定正确的是( )。
A. 合伙企业成立和房屋抵押合同均为无效
B. 合伙企业成立有效，房屋抵押合同无效
C. 合伙企业成立和房屋抵押合同均为有效
D. 合伙企业成立无效，房屋抵押合同有效
[单选题]自动喷水灭火干式系统的配水管道充水时间，不宜大于（）。
A.30s
B.1min
C.40s
D.10min
[判断题] 调节刹车间隙时，利用紧急制动刹车悬持游动系统，卸掉钩载，调整刹车块和刹车盘间隙。
A.正确
B.错误
[多项选择]按记忆是否受到意识的控制可分为（）。
A. 内隐记忆
B. 外显记忆
C. 短时记忆
D. 长时记忆
E. 瞬时记忆
[单项选择]自动舵在能见度小于（）区域禁用。
A. 2海里
B. 10海里
C. 5海里
[单项选择]水道断面面积包括（）
A. 过水断面面积
B. 死水面积
C. 过水断面面积和死水面积
D. 大断面
[单选题]在控制区活动的人员均应将控制区通行证_____ ,并严格在控制区通行证限定区域内活动。
A. 佩带在胸前明显位置或放置于胸前透明口袋
B.放在口袋内
C.交给单位专门人员管理
D.放在办公室
[单选题]带电作业工具应定期进行机械试验，其试验周期为（ ）。
A.绝缘工具每年半次，金属工具两年半次
B.绝缘工具每年半次，金属工具两年一次
C.绝缘工具每年一次，金属工具两年半次
D.绝缘工具每年一次，金属工具两年一次
[多选题]桥面起重机前后横梁桥机锚固点调整后,须按照设计进行()施工。
A.走道
B.栏杆
C.支撑
D.定位销
E.后端头
[多选题] 有条件的安全防护功能包括：（ ） （1分）
A.压信号调车作业。
B.越站调车和跟踪调车安全防护。
C.存车线连挂作业的安全防护 。
D.两台监控机车进同一区段作业的安全防护。
[单项选择]风湿性二尖瓣狭窄的特有体征是
A. 心尖部第一心音亢进
B. 心尖部舒张期隆隆样杂音
C. 心尖部收缩期吹风样杂音
D. 胸骨左缘第二肋间隙第二心音亢进伴分裂
E. 开瓣音
[判断题]低压配电网巡视时，禁止触碰裸露带电部位。
A.正确
B.错误
[单选题]《动车组列车旅客运输管理办法》第27条规定，保洁作业应当爱护（ ），保洁使用的清洁剂类用品应当是经过认证机构认证的产品。
A.车辆设备
B.清扫用具
C.自己皮肤
D.工作服
[多选题]组织安全风险评估,应当着眼保证圆满完成作战训练等任务,防止消极保安全的行为()。
A.禁止随意提高风险等级
B.禁止降低工作标准和训练强度
C.禁止擅自取消险难课目训练
[单选题]某三相低压用户,计量TA变比为200/5,装表时计量人员误将A相TA极性接反,故障期间抄见表码为150kWh,表码启码为0,应追补的电量是(____)kWh。
A.1200
B.2400
C.12000
D.24000
[单选题]我国航线NDB台的识别莫尔斯码为( )个英文字母。
A.2
B.3
C.4
D.5
[单选题]教学策略直接关系着教学的全过程与最终结果，是教学实施中的核心环节。下列关于教学策略的说法不正确的是( )。
A.重视情景创设
B.注重音乐体验
C.加强知识讲授
D.关注合作探究
[单项选择]流动式起重机作业时，吊机构件要离1千伏～14千伏高压电线（）m以上的距离。
A. 1.5
B. 2
C. 2.5
D. 3
[单选题]出口货物劳务除输入特殊区域的水电气外,出口企业和其他单位()增值税专用发票。
A.不得开具
B.应当开具
C.可以开具
D.以上说法都不对
