—_____ you read books? —Yes, I _____.[ ] 发布时间:2017-05-03 23:36 │ 来源:www.tikuol.com 题型:选择题 问题: —_____ you read books? —Yes, I _____.[ ]A. Can, do B. Do, can C. Can, can D. Can, read
题型:选择题 紧固曲线上钢轨接头6孔螺栓,正确的操作是()。A.先上紧最外侧两条螺栓,再上紧中间两条螺栓,剩下两条最后上紧 B.先上紧中间两条螺栓,再上紧最外侧两条螺栓,剩下两条最后上紧 C.先上紧中间两条螺栓,其余4条依次上紧 D.先上紧最外侧两条螺栓,再上紧次外两条螺栓,最后上紧中间两条螺栓 查看答案