老年抑郁症最严重的症状是
A.自杀
B.心境低落
C.精力丧失
D.精神运动迟缓
E.睡眠障碍
参考答案:A
根据句意和首写字母完成句中所空的单词,注意使用词的正确形式。
1. In Beijing, people like to take the s_______ to the other place.
2. There are sixty m_______ in an hour.
3. Today is Monday. T_______ is Tuesday.
4. Zhou Jielun is a very p_______ singer.
5. My brother and I have opposite i_______. I like football, but he likes baseball.
IB类抗心律失常药,首过效应明显,主要用于转复和预防室性快速性心律失常的是()
A.奎尼丁
B.氟卡尼
C.胺碘酮
D.普鲁卡因胺
E.利多卡因