冷沉淀融化后需放置室温2小时后输用。
参考答案:错
腰椎管狭窄症,药物治疗宜()。
A.温通经络、强壮筋骨
B.化瘀生新、活络止痛
C.活血舒筋
D.舒筋活络止痛
E.活血化瘀、行气止痛
They are very surprised ______ the news. [ ]
A. in
B. at
C. on
D. to