高血压药物治疗中,常用的降压药是()
A.利尿药
B.钙拮抗药
C.ACEI(血管紧张素转化酶抑制剂)
D.β受体阻断药
E.直接扩管降压药
参考答案:A, B, C, D
. — I sent him the dictionary by mail this morning .
—You ____ that; he''s coming tomorrow afternoon .
A.needn''t have done
B.didn''t have to
C.needn''t do
D.mustn''t do
洋地黄中毒引起的最严重后果是()
A.神经系统损害
B.严重心律失常
C.肾功能损害
D.肝功能损害
E.难治性心力衰竭