The policeman said he would _____________ us. [ ]
A. helps
B. helped
C. help
答案:C
闭经的治疗原则,根据病证虚者________,实者________。
营养物质大部分在小肠吸收,其空肠上段主要吸收()。
A.脂肪、脂溶性维生素
B.蛋白质、锌
C.葡萄糖、水溶性维生素、铁
D.水、电解质
E.叶酸、钙