听力资源简介：

confident　
(a.) 有自信的

She looks really confident. I know she'll do a good job.
她看起来很有信心，我知道她会表现得很好的。

proper　
(a.) 适宜的

His parents taught him proper manners. He is always very polite.
他的父母教他合宜的礼节，他一向很有礼貌。