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Tornadoes (龙卷风) and heavy thunderstorms moved across the Great Lakes and into Trumbull County on Saturday evening. The storms were dramatic and dangerous. George Snyder was driving the fire truck down Route 88 when he first noticed that a funnel (漏斗状的) cloud was behind him. "I stopped the truck and watched the funnel cloud. It was about 100 feet off the ground and I saw it go up and down for a while. It was moving toward Bradley Road and then suddenly it disappeared," Snyder said. Snyder only saw one of the funnel clouds that passed through northeastern Ohio on Saturday. In Trumbull County, a tornado turned trees onto their sides. Some trees fell onto houses and cars. Other trees fell into telephone and electrical wires as they went [单选题]TCP4-008/600(L)型DC110V充电机微机板指示灯具有一定的含义:如果VL0亮,VL6亮,表示()。
A.输出欠压 B.充电电流过流 C.系统过热 D.输出过压(硬件) [判断题]自动空气开关的瞬时脱扣器在线路上是过载保护。( )
A.正确 B.错误 [单项选择]患者,男,42岁,左下4缺失,左下75基牙,可摘局部义齿修复。该患者缺牙如按Kennedy分类法分类,属第几类 ()
A. 第一类 B. 第二类 C. 第三类 D. 第四类 E. 第五类 [判断题]智能电能表的通讯方式只有RS-485通讯。
A.正确 B.错误 [简答题]简述高中生物课程的设计思路。
[判断题]为了解创客发展中遇到的问题,调查者对5个创客中心进行了深入细致的访问,这种调查方式属于典型调查。( )
A.正确 B.错误 [单项选择]驼峰调车信号电路中,当信号开放后因故关闭时,可按下进路始端的调车按钮,通过AJ的前接点使()再次励磁,信号重复开放。
A. QJJ B. XJ C. ZJ D. XJJ [判断题]隔膜两边的压力差是过滤过程的对动力。
[单选题]理财产品研发部门与销售部门应完善理财产品信息披露机制。理财产品应做到( )环节的信息披露
A.事中披露、事后告知 B.事前公告、事后告知 C.事前公告、事中披露 D.事前公告、事中披露、事后告知 [单选题] 六氟化硫气体的灭弧能力是空气的( )。
A.50倍 B.100倍 C.200倍 D.250倍 [单选题]荧光磁粉磁痕显示应在哪种光线下检测()
A.荧光 B.自然光 C.黑光 D.氖光 [单项选择]
A. believed that eating with forks was womanlike B. believed that eating with fingers was clean and tidy C. ate food with their fingers long before they used fork D. invented fingers long before they did with fork [判断题]撞击式飞灰采样器可以安装在省煤器后的垂直烟道上。(通密度的单位名称)
A.正确 B.错误 [简答题]
说明 软件测试是与软件开发密切相关的一系列有计划的活动,在软件测试过程模型V模型的指导下,开发过程中应该安排一系列不同类型的测试活动。 软件测试过程由一系列关键活动组成,同时软件测试质量的保证手段是必不可少的。
[单选题]新井投产前必须进行1次矿井通风阻力测定,以后每( )年至少进行1次。
A.1 B.2 C.3 [单选题]“SYW”表示()。
A.舒适硬卧车 B.硬卧车 C.高级卧车 D.双层硬卧车 [单选题]160km/h≥允许速度vmax>120km/h的正线,75kg/m以下~60kg/m钢轨头部垂直磨耗达( )时判为轻伤。
A.9mm B.11mm C.13mm D.15mm [判断题]电流互感器的容量是指允许接入的二次负载容量。( )
A.正确 B.错误 [单选题]中软数字调度系统数字中继处理板DTU有两个( ),完成系统共线信令、NO.1信令、NO.7信令的处理。
A.A口 B.B口 C.C口 D.Z口 [单项选择]叉车发动机机油粗滤器,检查保养时应转动()圈。
A. 3~4 B. 5~6 C. 10 D. 越多越好 我来回答: 提交
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