债券筹资的缺点不包括() ["偿债压力大","资金成本较高","不利于现金流量安排","筹资数额有限"]
营养状况的评价,一般是通过()来进行综合评价。 ["膳食调查","人体测量","心电图、脑电图检测","人体营养水平的生化检验","营养缺乏的临床检查"]
艾滋病病毒的英文缩写是() ["HIV","AIDS","HAV","HBV"]
PM10是指粒径小于l0微米的颗粒物,也称为可吸入颗粒物。PM10通常沉积在人体的()。 ["上呼吸道","呼吸道的深部","细支气管和肺泡"]
成熟果实为鲜红色浆果状核果的树种是() ["海桐","广玉兰","栾树","欧洲琼花"]
试述传播学与现代社会的互动关系