中度甲状腺功能亢进的基础代谢率为()
A.+10%~+20%
B.+20%~+30%
C.+10%~+30%
D.+30%~+60%
E.>+60%
参考答案:D
-When is he leaving for Beijing?
-He's leaving _____ the 11th.[ ]
A. in
B. at
C. of
D. on
20%网点,说明网点的面积在整个区域内占()。
A、20%
B、40%
C、60%
D、80%