接触网静态检测中硬横跨的检测周期为（）。 A.3年 B.1年 C.半年 D.3个月 发布时间：2019-01-07 07:22 │ 来源：www.tikuol.com 题型：单项选择题 问题： 接触网静态检测中硬横跨的检测周期为（）。A.3年B.1年C.半年D.3个月
题型：单项选择题 下列各个数据中，哪些数是准确数？哪些数是近似数？（1）小琳称得体重为38千克；（2）现在的气温是-2℃；（3）1m等于100cm；（4）东风汽车厂2000年生产汽车14 500辆． 查看答案
题型：单项选择题 补全对话。A: Have you ever read the novel Jane Eyre? B: 1______. A: What a pity! It's a wonderful book, you know. B: Well, I've been wanting to read for a long time, but I can't get a copy. The library has only three copies and 2______. A: Well, 3______ If you like, I'll lend it to you. B: Thank you. 4______ By the way, when can I get it? A: 5______ Will you please come to my house after school? B: OK. I'll go as soon as school is over. A. That's very kind of you. B. I forgot where I put it. C. You really should read it. D. They are all out. E. I'm afraid I haven't. F. I haven't had it with me. G. I have a copy of my own. 查看答案