题目内容

用单斗挖土机械施工时,如果要开挖停机面以上Ⅳ级土,应选用()。

A. 正铲挖土机
B. 反铲挖土机
C. 拉铲挖土机
D. 抓铲挖土机

查看答案
更多问题

---What are Johnson's family like?
---_______.

A. His family is just like mine
B. They all like sports and travel
C. Oh, it's really a big one
D. They are all warm-hearted and helpful

脑膜上皮不是来源于神经上皮()

市委七届四次全会暨经济工作会议要求,对于工作成绩突出的干部,要给帽子、发票子,奖得他们心跳。()

英译汉:Do you have access to the Internet?

答案查题题库