依照国际牙科联合会系统记录牙位的方法,左侧下颌第二前磨牙应该记录为()
A.15
B.2
C.35
D.45
E.75
参考答案:C
—Will you go to the net bar with me?
—Sorry. My mother always tells me ______ there. [ ]
A. not go
B. not to go
C. don't go
D. didn't go
小儿重型腹泻最易发生的酸碱平衡紊乱是
A.呼吸性酸中毒
B.代谢性酸中毒
C.代谢性碱中毒
D.呼吸性碱中毒
E.代谢性酸中毒合并呼吸性酸中毒