第20题:[单选题] 在正常工作条件下能够承受线路导线的垂直和水平荷载,但不能承受线路方向导线张力的电杆叫(____)杆。 A. 耐张 B. 直线 C. 转角 D. 分支 参考答案:B
第21题: [单项选择]The mother is told that her child is desperately ill—the chances of survival are slim, and the treatment is as dreadful as the disease. A. incurable B. fearful C. impossible D. troublesome 参考答案:B