Where can the tallest trees be found A. In Muir woods. B. Near Los Angeles. C. In San Francisco. D. Along the Northern California coast. 参考答案:D 答案解析:[听力原文] 22-25 M: Have you ever visited a redwood forest I really think I should because of the Mu
第31题: [多项选择]在反向布放缆盘上的剩余光(电)缆时,应将盘上余缆采用盘“8”字的方法,排放成“8”字,应该注意:() A. “8”字中间重叠点应集中堆放 B. “8”字缆圈上层不得套住下层,应保证缆线能自然拉开 C. 布放时,操作人员不要站在“8”字缆圈之内 D. 放缆时应合理调配作业人员的间距,以保证缆弯大于曲率半径要求。缆线不得打背扣,不得产生拉伸张力,不得将缆线在地面和树枝上磨擦、拖拉。 参考答案:B, C, D