列哪种物质的特殊动力作用最为显著()
A.糖类
B.脂肪
C.蛋白质
D.维生素
E.无机盐
参考答案:C
— What's your father doing now?
— He ______ the room [ ]
A. cleaned
B. cleans
C. has cleaned
D. is cleaning
下列俞募配穴中错误的是
A.中脘、胃俞B.关元、小肠俞C.中府、肺俞D.期门、膈俞E.京门、肾俞