The events of Sept. 11 have ratcheted
up security at American airports to the highest level ever, according to a
spokesman for Transportation Secretary Norman Mineta. But to say there is plenty
of room for improvement puts it mildly. Hundreds of employees with access to
high-security areas at 15 U. S. airports have been arrested or indicted by
federal law enforcement officials for using phony Social Security numbers, lying
about criminal convictions0r being in the United States illegally. None of those
arrested had terrorist links, but some aviation experts said the workers were in
a position to help smuggle weapons or bombs aboard aircraft if they had
wanted. Tests ordered by President Bush and conducted by federal agents at 32 airports between November and February, when airports were on highest alert, showed that security screeners failed to detect kn A. able to detect B. not able to detect C. not effective in detecting D. very effective in detecting [单选题]SF6配电装置室与其下方电缆层、电缆隧道相通的孔洞都应封堵。SF6配电装置室及下方电缆层隧道的门上,应设置“( )”的标志。
A. A.注意危险 B.B.严禁烟火 C.C.注意通风 D.D.禁止吸烟 [单选题] "胃肠道感染最常见的传播方式是什么
A.随过医务人员及家属的手传播 B.从食物和饮用水传播 C.接触传播 D.以上都是" [多选题]《纽约时报》之前刊发的一篇文章如是概括当前的美国政治:“入主白宫的竞选需要花十亿美元,国会已经成为合法贿赂的论坛…对枪支的崇拜让国会成为人质;用计算机设计出来的不公正的选区划分,让候选人能够挑选自己的选民,而不是由选民来挑选他们。”这篇文章没有点明的一点是,种种乱象都是在“合法合规”的情况下发生的。换句话说,出问题的是制度本身。西方民主如今遭遇的困境,是民主逻辑异化的结果—民主本应反映民意、追求公利,但在实践中却演变成空有形式维持、只顾小众私利的样态。以上材料说明
A.资本主义的民主是金钱操纵下的民主 B.资本主义政治制度始终阻碍着社会进步和社会生产力的大幅度发展 C.资本主义政治制度中的选举事实上是有钱人的游戏 D.法律名义上的平等掩盖着事实上的不平等 [多项选择]在下列措施中,不属于担保的补充机制的有( )。
A. 抵押品保险到期后及时续投保险 B. 将担保品转移至利于银行监控的地方 C. 追加保证人 D. 追加担保品,确保抵押权益 E. 贷款降级 [单选题]管型母线现场堆放应保证包装完好,堆放层数不应超过( ),层间应设枕木隔离,保管区域应设隔离围挡,严禁人员踩踏管母线。
A.A-三层 B.B-四层 C.C-五层 D.D-六层 E.略 F.略 G.略 [填空题]收费站要做好()、()、()等工作,为薪酬管理提供可靠依据。
[单项选择]下列哪个模型是说明经济周期原因的?()
A. IS B. LM C. 乘数-加速数模型 D. 以上都不对 [单项选择]一10m长Φ426×10的钢管简支梁,由自重产生的中部弯矩为()。
A. 10KNm B. 12.6KNm C. 20KNm [单项选择]在设计阶段,咨询工程师要处理好投资、质量、进度三者之间的关系,其中是( )最重要的。
A. 投资 B. 质量 C. 进度 D. 投资和进度 [填空题]The scientists have worked out ______. (一种可以大规模提高农业生产的方法)
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