急性泄泻取天枢、中脘是由于此二穴为
A．病位所在B．募穴C．阳明经穴D．交会穴E．任脉经穴
参考答案：B
属于碳源利用试验的是（）
A.O/F试验
B.枸橼酸盐利用试验
C.吲哚试验
D.氧化酶试验
E.硝酸盐还原试验
Many gifted students _____ poorly in school because they found school unchallenging and as a result lost interest.
A．worked on
B．got on
C．lived on
D．carried on
