160km/h以上运行区段,锚段长度在800m及以下的接触线补强的数量限界值不得超过 发布时间:2019-09-28 22:41 │ 来源:www.tikuol.com 题型:单项选择题 问题: 160km/h以上运行区段,锚段长度在800m及以下的接触线补强的数量限界值不得超过()。A、2个B、3个C、4个D、5个
题型:单项选择题 —I don't imagine Russ and his poor dog had a good time on the deserted island,________?—I have no idea. A.didn't theyB.do youC.did theyD.hadn't they 查看答案
题型:单项选择题 —Morning! ______ you Mr Huang? —Yes. My name ______ Huang Heping. [ ]A. Are, is B. Is, is C. Are, are D. Is, am 查看答案