临床上判断龋坏组织是否去净有困难时，应采用（）。
A.染色法
B.X线检查
C.探诊
D.电测验
E.冷刺激法
参考答案：A
补全对话，每空一词。
Lingling: 小题1:many. 小题2:are there小题3:your family?
Tony: There are 小题4:--- my mum and dad, my小题5:Linda, and me. I小题6:got any小题7:
Lingling: 小题8:you got 小题9:aunts or uncles?
Tony: My dad's got a brother and a sister．My mum's got a brother, but she hasn't got a sister．So I've got one aunt and 小题10: uncles. And I've got four grand parents.
从上海运往巴黎一件玩具样品，毛重5.3公斤，体积尺寸为41×33×20厘米，计算其航空运费。
公布运价如下：
