下列临床表现对肺动脉口狭窄的诊断有帮助除外()
A.心电图电轴有偏
B.右心室肥厚
C.右心室肺动脉压力阶差大小40mmHg
D.左心室肥大
E.肺动脉段突出
参考答案:E
We are going to _ a picnic in the park. [ ]
A. do
B. take
C. eat
D. have
在半夏泻心汤中可体现"辛开苦降"之用的药物是()
A.人参
B.干姜
C.半夏
D.黄连
E.黄芩