某龈沟位点探诊深度为5mm，结合上皮位于釉牙骨质界，其附着丧失为
A．2mm
B．5mm
C．7mm
D．3mm
E．没有附着丧失
参考答案：E
The news that an earthquake happened in Yushu ______ throughout the whole world quickly.
A．was spread
B．were spreading
C．spread
D．had been spread
在表单设计中，打开已经存在的表单文件的命令是______。
