艾滋病的传播途径是()
A.日常生活接触传播
B.血液传播
C.粪-口途径
D.性接触传播
E.空气飞沫传播
参考答案:B, D
.—Three years has passed. We will study in a new school in several months.
—We are supposed to get along well with new teachers and classmates.
A.past
B.gone by
C.left
D.ended
一次使用维拉帕米的最大剂量为()
A.10mg
B.15mg
C.20mg
D.25mg
E.30mg