腭裂术后何时开始进行语音矫治（）。
A.1～2周
B.3～4周
C.6～8周
D.3～6月
E.12个月
参考答案：B
-___________ to their own
work，most of the parents spend little time with their
children.
A．Devoting
B．To be devoted
C．Having devoted
D．Devoted
目标可靠度
