不参与构成咽峡的是()。
A.舌、腭咽弓
B.腭垂
C.软腭游离缘
D.舌根
E.会厌上缘
参考答案:E
The commodities you offered are ( )line with the business scope of our clients.
A.outside
B.out of
C.out
D.without
牙本质的无机化合物约占牙本质总重量的
A.45%~50%B.97%C.70%D.30%E.50%~55%