吗啡对心血管的作用有()
A.引起直立性低血压
B.引起颅内压升高
C.引起颅内压降低
D.引起脑血管扩张
E.引起脑血管收缩
参考答案:A, B, D
Lily ______ goes to the movies. She thinks they are too boring.
A.always
B.hardly
C.sometimes
D.usually
形似橘瓣状,表面灰黑色或淡黄白色,加水浸泡种皮显龟裂状的药材是()
A.牵牛子
B.女贞子
C.牛蒡子
D.补骨脂
E.巴豆