【单选题】–You’re coughing badly, Martin. Why not give up smoking? --Give up smoking? Easier said than done, Amy. Once you _________ the habit of smoking, it is very had for you to _________.
A.
keep up; break it away
C.
pick up; get rid of it
D.
build up; do away with it
【简答题】尖轨与基本轨的贴靠方式通常有两种,即()与()。
【简答题】尖轨与基本轨的贴靠方式通常有两种,即贴尖式与( )。
【单选题】---- You’re coughing badly, Martin.Why not give up smoking? ---- Give up smoking? Easier said than done, Amy.Once you _____ the habit of smoking, it is very hard for you to______.
A.
keep up; break it away
C.
pick up; get rid of it
D.
build up; do away with it
【多选题】快速反应(QR)实施应考虑的因素有( )
【简答题】一切抢救物品的 “五定”是指 、 、 、 和 。