二、知识精讲
（一）重点单词：
1. devote vt. 献身；致力于；专心于 devoted adj. 忠实的；挚爱的
例：
She devoted herself to her career.
她全力倾注于自己的事业。
They are devoted to their children.
他们深爱着自己的孩子。
He was devoted to helping those who needed to be helped all his life.
他终身致力于帮助那些需要帮助的人。
注意：devote…to …与be devoted to ...中的to都为介词，后面常与doing 搭配。
