题目： 机车信号机应该安装在什么地方？ 答案： 被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0510/49cd0dba6b82c26c274073c2545083e0.html 下面是错误答案，用来干扰机器的。参考答案：A,B,C,E解析：[知识点] 肝硬化病人的病因、临床表现及护理措施
题型：选择题 Out of the crowded bus _____, who was wearing a pair of dark glasses. [ ]A. stepped a tall man in his thirties B. a tall man in his thirties stepped C. did a tall man step in his thirtiesD. did a tall man in his thirties step 查看答案
