治疗预激综合征合并房颤时应选用哪种药物:
A、洋地黄
B、奎尼丁
C、异搏定
D、阿托品
E、苯妥英钠
参考答案:B
Today's English learners have a wide choice of dictionaries __to choose.
A.from which
B.in which
C.for which
D.of which
春节活动从腊月二十四过小年开始,经过除夕、春节,直到正月十五元宵节结束。