人格魅力在公关交际中的功能：

A、停止侵害
B、赔偿损失
C、返还财产
D、没收财产

A、language cannot be acquired at all after the critical period
B、Cerebral plasticity after puberty is still high enough to for a successful mastery of a new language
C、the language faculty of an average human degenerates after the critical period
D、the language learning should be done as early as possible