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[单项选择] Cigars Instead Smoking one or two cigars a day doubles the risk of cancers of the lip, tongue, mouth, and throat, according to a government study. Daily cigars also increase the risk of lung cancer and cancer of the esophagus, and increase the risk of cancer of the larynx (voicebox) sixfold, say researchers at the National Cancer Institute in Bethesda, Maryland. In addition, the report revealed that smoking three or four cigars a day increased the risk of oral cancer to 8.5 times the risk for nonsmokers and the risk of esophageal cancer by four times the risk of nonsmokers. The health effects of smoking cigars is one of eight sections of the article " Cigars: Health Effects and Trends". The researchers report that, compared with a cigarette, a large cigar emits up to 90 times as much carcinogenic tobacco-specific nitrosamines "This article provides clear and invaluable information about the disturbing increase in cigar use and
A. increases the risk of oral cancer for non-smokers.
B. greatly increases the risk of oral cancer for smokers.
C. increases the risk of more than one cancer for non-smokers.
D. gready increases the risk of more than one cancer for smokers.

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[单项选择]黄芩主产于
A. 东北地区
B. 浙江
C. 广东、广西
D. 甘肃
E. 河北、山西、内蒙
[单选题]在承揽合同没有特殊约定的情况下,定作人在承揽人完成工作前可以随时解除合同,造成承揽人损失的,是否应当承赔偿损失?
A.应当
B.不应当
[单项选择]教师的道德水平不仅影响学生的道德成长,还影响学生的智能发展,以下说法错误的是()
A. 良好的道德品质有助于教师提高教学业务能力;
B. 教师道德水平直接影响学生的心理状态并进而影响学生的智力开发;
C. 教师具有深厚的职业道德情感,必然使得学生成绩提升;
D. 教师对学生缺乏关爱,甚至态度粗暴,会挫伤学生自尊心和学习积极性,影响学生健康成长
[单选题] 探井钻井时自( )至完井期间应安排专人24小时坐岗观察溢流。
A.安装防喷器;
B.一开;
C.钻开油气层前100米;
D.钻开油气层前50米。
[单项选择]以下哪个是有价卡充值过程中涉及的网元()
A. UASP
B. SCP
C. HLR
D. MML
[判断题](类别:号段管理 难度:中等)闭包延长了部分变量的作用域( )
A.正确
B.错误
[判断题]蓄电池电解液比重越低,蓄电池的容量越大。
[多项选择]固定资产投资具有( )的特点。
A. 长期性
B. 可变性
C. 固定性
D. 流动性
E. 回收期长
[单选题]走好人生之路,需要大学生正确认识、处理生活中各种各样的困难和问题,保持认真务实、乐观向上、积极进取的( )。
A.人生态度
B.人生目的
C.人生价值
D.人生方向
[填空题]裸子植物门通常分为()、()、()、()、及()5纲。
[判断题]企业不必建立设备报废和拆除程序,明确报废的标准和拆除的安全要求。
A.正确
B.错误
[填空题]I think it is true to saying that, in general, language teachers (1)
have paid little attention to the way sentences are used in combination
to form stretches of disconnected discourse. They have tended to take (2)
their cue from the grammarian and have concentrated to the teaching (3)
of sentences as self-contained units. It is true that these are often
represented in "contexts" and strung together in dialogues and
reading passages, but these are essentially setting to make the (4)
formal properties of the sentences stand out more clearly, properties
which are then established in the learner’s brain by means of practice (5)
drill and exercises. Basically, the language teaching unit is the (6)
sentence as a formal linguistic object. The language teachers’ view of
what that constitutes knowledge of a
[单项选择]振荡电路中振荡频率最稳定的类型是()振荡电路。
A. 变压器耦合LC
B. 石英晶体
C. 电感三点式
D. 电容三点式
[多选题]中纪委要求各级要加大“三重一大”制度的监督落实,“三重一大”主要是指( )、( )、( ) 和大额资金使用。( )
A.重大问题决策
B.重要干部任免
C.重大项目投资决策
D.重要案件查办追责
[多选题]关于防护栏杆的设置的说法,正确的有( )
A.防护栏杆应由.上、下两道横杆及栏杆柱组成,上杆 离地面高度为1.0--1.2m,下杆离地面 高度为0.5- -0.6m
B.当横杆长度大于2m时,必须加设栏杆柱
C.当栏杆在基坑四周固定时,可采用钢管打入地面50- -70Cm 深,钢管离基坑边口的距离不小于1m
D.栏杆柱的固定及其与横杆的连接,其整体构造应使防护栏杆在上杆任何处都能经受任何方向的1kN外力
E.防护栏杆必须自上而下用安全立网封闭,或在栏杆下边设置高不低于18Cm的挡脚板或挡脚笆,板与笆下边距离底面的空隙不应大于10mm
[单项选择]对于建设工程风险自留来说,( )可用于特大型建设工程或长期有较多建设工程的业主。
A. 现金净收入中支出
B. 建立非基金储备
C. 自我保险
D. 母公司保险
[判断题]汽轮发电机失磁之后,如果不会导致系统电压大幅度下降而破坏稳定,失 磁保护应尽快作用于自动减负荷,尽快将负荷压到机组额定功率的40%〜50%,可以 继续运行15〜30min。( )
A.正确
B.错误
[判断题]安全带、安全帽、安全网可以一直使用。( )
A.正确
B.错误
[填空题]机车运行监控装置、自动停车装置、列尾装置司机控制盒以及列车无线调度电话、机车信号( )不良,严禁出库牵引列车。
[单项选择]通过“自由联想”或“触景生情”引起的回忆是()
A. 有意回忆
B. 无意回忆
C. 直接回忆
D. 间接回亿
[判断题]HX型机车总风缸压力低于700±20kPa时两台压缩机依次启动。()
A.正确
B.错误
[判断题]人生自我价值的实现意味着个体对社会的贡献。( )
A.正确
B.错误
[单项选择]我国围生期通常是指
A. 胎龄满28周到出生后足28天
B. 胎龄满28周到出生后足7天
C. 胎龄满20周到出生后足7天
D. 胎龄满20周到出生后足28天
E. 胎龄满28周到出生后脐带结扎
[单选题]中国第一个共产主义小组建立在:()(1.5分)
A. 北京
B. 上海
C. 长沙
D. 武汉
[单项选择]SOLAS ships shall be equipped with().
A. an EGC receiver only
B. a satellite communication system
C. a HF radio system
D. a VHF with DSC system
[单项选择]Why can’ t they meet on Thursday
A. Because she wants to meet him on Wednesday.
B. Because she has to go out of town.
C. Because’ she is in charge of the project.
D. Because she has another meeting.
[填空题]培训讲义编写的编审机构中,()由2~3人组成,主审1人,主要承担审稿定稿任务。
[判断题]在使用二层交换机和路由器的组网中,每个需要与其他VLAN通信的VLAN都需要使用一个三层路由接口做网关
A.正确
B.错误
[单项选择]如果化验表明硫铵产品中亚硫酸盐的含量过高,则应检查系统中()。
A. 除尘泵运行情况
B. 脱硫泵运行情况
C. 脱硫塔与浓缩塔溶液池液位及职工硫铵溶液出料操作
D. 增压风机运行情况
[判断题]在电气化区段作业时,长轨列车必须安装屏蔽装置,轨道吊必须安装限位装置。机车、动车及各种车辆上方的接触网设备未停电并办理安全防护措施前,禁止任何人员攀登到车顶或车辆装载的货物上。
A.正确
B.错误
[简答题]某药与肝药酶诱导剂合用,则
[不定项选择题]In nearly every town or city center in the UK,on most days of the week you can find one or more people standing in the street selling a magazine 21 The Big Issue.These people are all 22 ,but they are not begging for money. 23 ,they are selling the magazine as a means(手段)of 24 a small but respectable living. The Big Issue magazine was 25 in 1991 by Jon Bird and Gordon Roddick after they 26 that there were many homeless people who were 27 on the streets of London.On a previous(之前的) 28 to New York,one of them had seen homeless people selling a newspaper known as Street News 29 they decided to set up something 30 in the British capital. Nowadays,The Big Issue has 31 all over the UK and there are even different versions(版本)of the magazine in different parts of the 32 .The sellers buy each magazine from the organization for seventy pence and then sell it to a 33 for one pound fifty.By working with The Big Issue,many people have been 34 to escape from homelessness,and 35 many of them have moved on to new jobs and new lives. 请选出最合适的选项( )。
A.asked
B.helped
C.needed
D.forced
[单选题]改变高度的航空器,穿越同航迹的另一航空器的高度层,如果能够利用导航设备经常测定位置和速度,在上升或者下降至被穿越航空器的上或者下一个高度层之间,与被穿越的航空器之间应当有( )分钟的纵向间隔。
A.5
B.10
C.15
D.20
[单项选择]按揭支持证券(MBS)的基础资产是()。
A. 房地产按揭贷款
B. 应收账款
C. 信贷资产
D. 高速公路收费
[单项选择]腹穿抽到稀脓性有臭味的液体,提示()
A. 肝胆破裂
B. 急性肠梗阻
C. 胃、十二指肠出血
D. 急性胆囊炎
E. 急性化脓性阑尾炎
[单项选择]国际TNM分期法中的M是指()
A. 原发肿瘤
B. 肿瘤部位
C. 远处转移
D. 区域淋巴结
E. 肿瘤的恶性程度
[多选题]关于信息不对称和市场失灵的说法,正确的有()。
A.信息不对称会导致道德风险
B.信息不对称会导致某些商品或服务市场出现萎缩甚至消失
C.通过税收和补贴手段,可以解决信息不对称导致的市场失灵
D.政府可以制定有关商品说明、质量标准和广告等的法律法规,以克服信息不对称所导致的市场失灵
E.通过明晰产权可以克服信息不对称所引起的市场失灵

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