热门试题:
[判断题]防火墙自身具有非常强的抗攻击能力,能解决来自内部网络的攻击。
A.正确
B.错误
[多选题]建筑物按耐火等级分为()
A.一级建筑
B.二级建筑
C.三级建筑
D.四级建筑
[单选题]Text3 Genetically engineered crops are safe for humans and animals to eat and have not caused increases in cancer,obesity,gastrointestinal illnesses,kidney disease,autism or allergies,an exhaustive report from the National Academies of Science released Tuesday found.Overall,genetically engineered(G
E)crops saved farmers in the United States money but didn't appear to increase crop yields.They have lowered pest populations in some areas,especially in the Midwest but increased the number of herbicide-resistant weeds in others.There's also no evidence that GE crops have affected the population of monarch butterflies,the report said.To gauge whether foods made from genetically modified crops were safe for human consumption,the committee compared disease reports from the United States and Canada,where such crops have been consumed since the mid-1990s,and those in the United Kingdom and westem Europe,where they are not widely eaten.No long-term pattem ofincrease in specific health problems after the introduction of GE foods in the 1990s in the United States and Canada was found.There was no correlation between obesity or Type n diabetes and the consumption of GE foods.Celiac disease,which makes humans intolerant of gluten,increased in both populations.Patterns in the increase in autism spectrum disorder in children were similar in both the United Kingdom and the United States,the committee reported.Overall the report concluded that there were no differences in terms ofa higher risk to human health between foods made from GE crops and those made from conventionally-bred crops.Food&Water Watch,a government accountability group in Washington
D.
C.,said the committee's ties to the biotech industry and other corporations create conflicts ofinterest and raise questions about the independence ofits work."Critics have long been marginalized,"said Wenonah Hauter,the group's executive director.A significant portion of American consumers are concerned about the safety or other effects of foods made with genetically modified crops,often called GMOs for genetically modified orgarusms.A survey released last year by the NPD Group,a market research firm,found that 57%ofAmericans were concemed that genetically modified foods posed a health hazard.The food industry has taken notice.In 2015,Progressive Grocer,a trade publication,reported that total U.S.sales of food and beverage products labeled"non-GMO"reached$10 billion during 2014.The National Academies report will likely not sway these consumers,said Phil Lempert,a Los Angeles-based food industry analyst."It's an emotional issue,it's not a science issue,"he said.33.The word"marginalized"(Para.6)is closest in meaning to
A.condemned.
B.abandoned.
C.neglected.
D.evaluated
[判断题]在冰雹区域运行时,加强瞭望,高速铁路区段列车运行速度为200km/h及以下,普速铁路区段列车运行速度为100km/h及以下。
A.正确
B.错误
[判断题]( )造成水平加速度过大的因素来自两个方面:轨道的轨向和水平的逆相位复合;机车车辆本身。
A.正确
B.错误
[单选题]下列作业工种,( )必须经专门培训机构或单位培训,持合规证书上岗。
A.焊工
B.钢筋工
C.木工
D.瓦工
[判断题]《行规》规定,单班单司机值乘的机车进入区间救援时,车站应安排胜任人员协助司机进行救援作业。
A.正确
B.错误
[单选题]检测UHT清洗液浓度时,为了确保清采样准确性,UHT须在清洗时酸、碱循环到小于()秒时在平衡槽取样检测。
A.1000
B.700
C.800
D.100-300
[多选题]根据《建筑灭火器配置设计规范》,A类火灾应选择什么类型的灭火器?( )
A.二氧化碳
B.泡沫
C.磷酸铵盐干粉
D.卤代烷
[单项选择]自然沉降法对空气微生物进行采样时,营养琼脂平板的暴露时间一般为()
A. 5min
B. 10min
C. 15min
D. 20min
E. 25min
[单选题]下列物质中作引发剂的是( )
A.十二烷基硫酸钠
B.碳酸钙
C.明胶
D.BPO
[单选题]为加强金融机构表外业务监测,及时、全面和准确反映金融机构表外业务发展情况,人民银行于()年新增表外业务专项统计制度。
A.2014.0
B.2015.0
C.2016.0
D.2017.0
[简答题]导游张某带团准备从上海出发前往厦门旅游,恰遇厦门有台风,张某与该团队商量,达成口头协议,改为去广州旅游。在旅游过程中,张某带该团队游览了行程以外的一处景点(门票为60元),并向该团队极力推荐所谓的质优海鲜产品,团队成员信以为真,纷纷购买。回程后发现,该海鲜产品质次价高。试分析该案例中涉及的法律问题。
[单项选择]外墙外保温系统用EPS保温板,尺寸稳定性应()
A. ≤0.1%
B. ≥0.1%
C. ≤0.3%
D. ≥0.3%
[单选题]《新疆出入境边防检查总站重点人员管理暂行规定》明确,()的重点人员,应由站级单位党委研究评估确定,所在站级单位主要领导落实帮教包保责任,同时向总站政治部门报备。
A.特别关注
B.重点关注
C.一般关注
D.日常关注
[多选题] 下列项目中,可能引起资本公积变动的有( )。
A. 与发行权益性证券直接相关的手续费、佣金等交易费用
B. 企业接受投资者投入的资本
C. 用资本公积转增资本
D. 股份有限公司低于面值回购股票
[判断题]道口安全揭示牌设于限界门汽车前进方向左侧的立柱上。
A.正确
B.错误
[简答题]我国视学制度源远流长,《礼记》中即有天子视学的记载,说明我国很早就有了视学制度。
[单选题]商品或服务的经营者对工商行政管理机关的处罚决定不服的,可以自收到处罚决定之日起多少天内向上一级机关申请复议?()
A.10日内
B.15日内
C.30日内
D.3个月内
[单项选择]()是一种有目的和组织化的信息存取活动,是对信息集合与需求集合的
A. 信息组织
B. 信息检索
C. 信息分析
D. 服务能力
[单选题]1.15.第15题根据《国家电网公司关于高危及重要客户用电安全管理工作的指导意见》的要求,对于存在供用电安全隐患的客户,原则上不予接电。确有特殊原因的,应具备由省级及以上政府主管部门出具的书面函件,并报国家电网公司营销部确认。()
A.正确
B.错误
[填空题]活塞环与环槽间隙过大时,会造成( )增大,使过多的机油窜入燃烧室,既浪费机油,又易产生积炭。
[单项选择]张宁在大学计算机系毕业以后,到一家计算机软件公司工作。三年来,他工作积极,取得了一定的成绩。最近他作为某项目小组的成员,与组内其他人一道奋战了三个月,成功地开发了一个系统,公司领导对此十分满意。这天张宁领到领导亲手交给他的红包,较丰厚的奖金使小张十分高兴,但当他随后在项目小组奖金表上签字时,目光在表上注视了一会儿后,脸便很快阴沉了下来。下列哪种理论可以较恰当地对小张的不快给予解释______
A. 双因素理论
B. 期望理论
C. 公平理论
D. 强化理论
[单选题]686用塞尺检查滑床板空隙,确定錕轮高度。在大多数空隙下应该为()mm,但是假定实际这里为
A.(mm).
B.-1
C.-2
D.-3
E.0
[单项选择]某工作级别A6(重级工作制)吊车梁,跨度18m,制作时起拱3mm,经按最大1台吊车及自重等全部荷载计算,其挠度为17mm()故为正确答案。
A. 计算挠度等于容许值,符合规定
B. 计算挠度大于容许值2mm,不符合规定
C. 计算挠度大于容许值1mm,不符合规定
D. 计算挠度小于容许值1mm,符合规定
[单项选择]就地仪表的安装位置应按设计文件规定施工,当设计文件未具体明确时,下列哪项要求是错误的:()。
A. 光线充足,操作和维护方便;
B. 仪表的中心句操作地面的高度宜为2~3米;
C. 显示仪表应安装在便于观察示值的位置;
D. 仪表不应安装在有振动、潮湿、易受机械损伤、有抢点磁场干扰、高温、温度变化剧烈和有腐蚀性气体的位置;
[判断题]禁止同时吊运两块及以上大模板。( )
A.正确
B.错误
[判断题] 办案人民警察依照简易程序作出当场处罚决定,将决定书当场交付被处罚人时,被处罚人拒绝签名和盖章的,办案人民警察在备案的决定书上注明。
A.正确
B.错误
[单项选择]
从下列每篇短文的问题后所给的四个选择项中选出一个最佳答案。
Passage One Questions 21 to 25 are
based on the following passage. Parents can have a great
impact on the development of their children’s creativity in art. But first,they
have to know how. They may find the following advice interesting and
instructive. Encourage free drawing rather than coloring
books. Coloring books stop the possibility of self-expression. A child may just
enjoy colorful pictures and never learn how to express himself. As an art
teacher says,“Children have a very powerful instinct to draw freely and roughly.
Such practice makes them learn language easily. ”In fact,a child expresses
himself in rough drawing. This is the beginning of literacy and creativity.
Also,parents should not teach their kids“how”to draw and they should not make
their kids d A. parents love to create B. parents can draw straight lines C. children tend to follow their parents’ examples D. children like the product of their parents’ creativity
[多选题]客户入网可选择办理的场所有()。( ) A.互联网 B.营业厅 C.超市 D.代理点
[单项选择]某土方开挖工程,5月份计划完成工程量为4000m3,计划单价为80元/m3,5月底,实际完成工程量为4500m3,实际单价为78元/m3,通过赢得值法分析可知()。 A. 进度提前完成4万元 B. 进度延误完成4万元 C. 费用超支3.1万元 D. 费用超支9000元
[判断题]甲、乙类液体移动式混合液供给强度为0.167L/S•m² A.正确 B.错误
[判断题]110kV(66kV)电压等级智能变电站监控主机、综合应用服务器应单套配置 A.正确 B.错误
[单选题]作业时,起重机应置于平坦、坚实的地面上,机身倾斜度不准超过制造厂的规定。 A.正确 B.错误 C.略 D.略 E.略 F.略
[单选题]戏剧小品真正从“小戏”的“家”里走出来,另立门户,是在什么年代?( ) A.60年代 B.70年代 C.80年代
[单选题]()在未设置避车台的桥梁上躲避列车。 A.禁止 B.允许 C.确认安全时允许 D.通过时允许
[判断题]( )TYJL-Ⅱ型计算机联锁系统联锁机备机联机同步时,主备机间有通信联系,且主 备机的控 制命令和锁闭信息完全一致,自动切换时不影响现场设备状态,但信号可 能恢复。 A.正确 B.错误
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