需要进行择期电复律的患者，如果正在服用洋地黄类药物，应该在复律前停用12～24h。
参考答案：对
-- ______ new buildings! I can’t believe that. It ______ a poor village.
-- Yes. Everything has changed here over these years.
A．So many; used to be
B．So much; is used to being
C．Too many; is used to be
D．Too much; used to be
用see完成句子。
1. This stadium____many important football matches.
这个体育场见证了许多重要的足球比赛.
2.Dusk ____ her crying in the street.
黄昏里她在街头哭泣.
3. This old house _____ better days.
这座老房子曾经有过风光的日子.(但现在已破败不堪)
