I.词语辨析：
1. deep / deeply：两个词均可用作副词
deep：深的、深度的，用于修饰具体动作。
e.g. The brave man jumped into the lake and dived deep to save the drowning girl.
We went deep in the cave but didn’t find anything useful.
deeply：深深的、非常的，用于修饰抽象动词。
e.g. I was deeply moved by the moving story.
He is deeply interested in English study.
类似的词有：high, highly
high：jump / fly high
highly：think / speak highly of
2. ache / pain / hurt ：痛、疼
ache：可作名词或动词，多指局部的、轻微的、持续的身体疼痛，尤指隐痛、闷痛；还可与表示身体部
