在架空线路走廊宽度控制指标中，当线路电压等级为220kV时，其走廊宽度为（）m。 A 发布时间：2017-05-14 03:33 │ 来源：www.tikuol.com 题型：单项选择题 问题： 在架空线路走廊宽度控制指标中，当线路电压等级为220kV时，其走廊宽度为（）m。A.60～75B.35～45C.30～40D.15～25
题型：单项选择题 短文填空。or, slow down, wear, happy, follow, both, take care, side, through, stop Traffic rules are made to keep order on the road. They also help to keep people 1_____. Thepedestrian has as many rules to 2_____ as the driver of car. You should walk at the sidewalk or at the 3_____ of the road. Always look carefully before you walk across the street? If you ride a bike, don't ride in the middle of the road or run 4_____ red traffic lights. When youride a bike with a friend, don't look around to talk. If you drive, you should 5_____ at the traffic lights. You must always 6_____ a seat belt (安全带). Without belts 7_____ the driver and the passengersmay be badly hurt in a sudden accident. Someone may be thrown out through the window? You may not need to drive a bus, but 8_____ if you have to travel in one. Get in or get off a bus only when it has come to a 9_____. When it is full, don't try to get inside 10_____ you may fall off. 查看答案
题型：单项选择题 下列选项中属于时间序列的有( )。A．1000户居民家庭按用电量高低形成的数列B．一个月内每天某一固定时点记录的气温按度数高低排列形成的序列C．某地区居民按收入高低形成的数列D．2000～2009年某地区能源消费总量形成的数列 查看答案
题型：单项选择题 不同的导航设备，计算飞机位置的方法不一样，其中根据牛顿力学原理测得飞机自身的线加速度，角运动与地球之间的运动规律来计算的是：（）A、空速领航；B、飞行指引；C、惯性导航；D、多变普勒导航 查看答案