The Bermuda Triangle is one (51) the greatest mysteries of the sea. In this triangular area between Florida, Puerto Rico and Bermuda in Atlantic, ships and airplanes (52) to disappear more often than in (53) parts of the ocean. And they do so (54) leaving any sign of all accident or any dead bodies.
It is (55) that Christopher Columbus was the first person to record strange happenings in the area. His compass stopped working, a flame came down from the sky, and a wave 100 to 200 feet high carried his ship about a mile away.
The most famous disappearance in the Bermuda Triangle was the US Naval Air Flight 19. (56) December 5,1945,five bomber planes carrying 14 men, (57) on a training mission from the Florida coast. Later that day, all communications with Flight 19 were lost. They just disappeared without a trace.
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A. took up
B. took as
C. took after
D. took off
With Airbus’s giant A380 airliner about in to take
to the skies, you might think planes could not get much bigger — and you would
be right. For a given design, it turns {{U}} (21) {{/U}}, there comes a
point where the wings become too heavy to generate {{U}} (22) {{/U}} lift
to carry their own weight. {{U}} (23) {{/U}} a new way of designing and
making materials could {{U}} (24) {{/U}} that problem. Two engineers
{{U}} (25) {{/U}} University College London have devised an innovative
way to customise and control the {{U}} (26) {{/U}} of a material
throughout its three-dimensional structure. In the {{U}} (27) {{/U}} of a wing, this would make possible a material that is dense, strong an A. easy B. flexible C. reflective D. compatible [单选题]正线、到发线与岔线衔接处设置安全线,引向安全线的道岔定位为开通( )的位置。
A.岔线 B.正线 C.安全线 D.到发线 [判断题]行李、包裹运输合同的基本凭证是行李票、包裹票、快运运单。
A.正确 B.错误 [单选题]主变压器不吊罩检查,当器身内部含氧量未达到()%以上时,严禁人员进入。
A.12 B.14 C.16 D.18 E.略 F.略 [判断题]超过检定有效期或保质期的标准物质,库房管理员应及时粘贴“ 紫色停用 ”标识,防止误用
A.正确 B.错误 [单选题]古希腊科学家阿基米德有一句流传千古的名言:“给我一个支点,我就能撬起整个地球!”这句话的科学根据就是杠杆原理。下列关于杠杆的说法不正确的是()。
A.杠杆分为省力杠杆、费力杠杆、等臂杠杆三种,没有任何一种杠杆既省距离又省力 B.在弯腰提起立物时,要尽量使重物离身体近一些,避免肌肉被拉伤,这是由于在腰部肌肉和脊骨之间形成的杠杆是一个费力杠杆 C.拔钉子用的羊角锤、撬棍、启瓶器、筷子均是省力杠杆 D.定滑轮既不省力也不费力,是等臂杠杆 [判断题]氮氢压缩机是合成氨厂的一般设备。
[判断题]电话下达许可开始工作的命令时,工作许可人及工作负责人应记录清楚明确,并复诵核
A.正确 B.错误 [多选题]根据资产定价理论中的有效市场假说,有效市场的类型包括_______。( )
A.弱式有效市场 B.半弱式有效市场 C.半强式有效市场 D.强式有效市场 [判断题]在谈判中,己方的利益不能仅仅从自己一方来显示,你的利益只能从对手身上体现。
[判断题]进行地质灾害处置时,救援人员要以组为单位开展救援行动,正确操作使用器材装备,严格落实安全措施。()
A.正确 B.错误 [单选题]罐初期火灾,油罐有( )的,应立即打开着火油罐及邻近油罐的( )。
A.冷却喷淋水系统 冷却喷淋水系统 B.消防水系统 消防水系统 C.冷却喷淋水系统,泡沫灭火系统 D.泡沫灭火系统,冷却喷淋水系统 [简答题]三级安全教育的实施要求是什么?
[单选题]组建退役军人管理保障机构,维护军人军属合法权益,让军人成为全社会 的职业
A. 向往 B. 尊崇 C. 尊敬 D. 崇敬 [单选题]以下不属于农民安家贷借款人还款频率的是______
A.月 B.季 C.1年 D.2年 [单选题]在球团焙烧过程中,( )粒级的球所用焙烧时间最短。
A.15mm B.11mm C.13mm D.8mm [单选题]遇进站信号机及线路所通过信号机灯光熄灭或遮住以及灭灯时,夜间由车站值班员指派人员按规定加挂信号灯,向区间方面显示( )灯光。
A.绿色 B.黄色 C.红色 D.月白色 [判断题]在全部或部分带电的运行屏(柜)上进行工作时,应将检修设备与运行设备前后以明显的标志隔开。
A.正确 B.错误 [多项选择]可以转入个人银行结算账户的款项为( )。
A. 工资、奖金收入 B. 债券投资的本金和收益 C. 个人产权转让收益 D. 证券交易结算资金 E. 纳税退还 [判断题]停泊值班人员的组成,应包括一名值班驾驶员和至少一名水手。
[填空题]给相同优先级线程一个执行的机会调用 【14】 。
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