HIV的传播途径不包括（）
A.血液传播
B.空气传播
C.破损的皮肤黏膜
D.性传播
E.母婴垂直传播
参考答案：B
治疗剂量时不抑制呼吸的药物
A．褪黑素B．比妥C．甲喹酮D．硫喷妥钠E．甲丙氨酯
Another 20% worked well, but the remaining 60% should have been scrapped. ( )
A．scratched
B．renovated
C．stimulated
D．introduced
