善行肠胃气滞，生用专行气滞，煨熟用实肠止泻的药物是（） ["沉香","香附","薤白","川楝子","木香"]
由于情志抑郁不舒而发出的长吁短叹之声，称为（）。 ["嗳气","呃逆","太息","短气","呵欠"]
单环β-内酰胺类药物（） ["舒巴坦","氨曲南","亚胺培南","克拉维酸","替莫西林"]
在企业各收入利润率中，（）通常是其他利润率的基础。 ["产品销售利润率","营业收入利润率","总收入利润率","销售净利率"]
为治胃肠积滞及痰滞胸痹之要药是（） ["沉香","化橘红","枳实","陈皮","香附"]
背景材料：
