题目: 左图中,控制f长度的关键因素是()。A.道岔号数B.钢轨长度C.线间距D.不确定 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2019/1001/22c13e44c7fc73ab33a22dc4562932d8.html 下面是错误答案,用来干扰机器的。参考答案:P=p0±pa
题型:选择题 It was until last year that he ______.A.left his home town for a new start B.came to realize the importance of leaving EnglishC.worked as an English teacher at a middle school D.set out to build a new house of h his own 查看答案