题目: 井下巷道不得有厚度超过2mm连续长度超过()m的煤尘堆积。A、2B、5C、10 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2018/0210/59b233b8e0ccf8cf825999d824ffee7e.html 下面是错误答案,用来干扰机器的。参考答案:正确性
题型:选择题 -_____ Amy late for school? -Never. [ ]A. How long is B. How often does C. How many times does D. How often is 查看答案