【单选题】按材料比强度从高到低排列正确的是( )。
【单选题】听力原文:W: I'm tired. I'm having next week off. M: That's a good idea. The break will do you good. What does the man mean?
A.
The woman has a good idea.
B.
The woman should break the relationship.
C.
The woman will come back next week.
D.
The woman really needs a week off.
【简答题】这两位挚友喜欢待在一块儿。她俩过去曾是敌人,你相信吗?
【多选题】根据蜗杆传动装配技术要求,在装配蜗杆时要做到( )
【单选题】从动作和能量代谢的角度来看,力量素质是以动作为载体,注重动作的灵活性、稳定性和功能化,以磷酸原供能为主的()的能力。
【单选题】蜗杆传动机构装配式应保证蜗杆轴心线与涡轮轴心线()。