ability n. ①能力 ②才能（常用複數）
[特徵]
ability是able的名詞形式，可以和able一起記憶。
- he is a man of ability. 他是個能幹的人。
- he has the ability to read. 他有閱讀的能力。
- he has great abilities as a writer. 他是個有本領的作家。
[考點]
ability後面可以接動詞不定式、介詞in或for，但不能接of doing形式。
-（×）you should improve the ability of drawing.
-（√）you should improve the ability to draw.
-（√）you should improve the ability in/for drawing.你應該提高你的繪畫能力。
[備考必備] 重要詞組
have the ability to do sth. 有能力做某事 to the best of one's ability 盡力
- i will help you to the best of my ability. 我會盡我所能幫助你的。
[貼心叮嚀]
上面[特徵]中三個句子是最基礎的，ability的基本用法都在這三個句子中。
abroad n. ①在國外，到國外 ②到處
[特徵]
- one of my brothers lived abroad. 我有個哥哥住在國外。
- the manager went abroad for business. 經理出差去國外了。
- the poor granny has never been abroad. 這個貧窮的老奶奶從未出過國。
- the news spread abroad. 訊息傳得很廣。
[貼心叮嚀]
這個單詞很簡單，雖然歷屆聯考也經常考到，但考點不是很多，只要記住上面幾個基本用法即可。
absence n. ①不在，缺席 ②缺乏
[特徵]
- nobody noticed his absence from school. 沒人注意到他沒來上學。
[備考必備] 重要詞組
in/during one's absence 在某人不在時
- please take care of my house during my absence. 我不在時，請照看我的房子。
absence of mind 心不在焉
- his absence of mind led to a lot of mistakes. 他由於心不在焉造成了很多錯誤。
[練習與解答]
- the evvironmentalists and wild goats'on the vast grasslands was a good indication of the better environment. [2004 上海]
a. escape b. absence c. attendance d. appearance
答案：d （環境保護者和野山羊在大草原上的出現時環境改善的一個很好的跡象。escape是“逃跑”；absence是“缺席”；attendance是“參加”；appearance是“出現”。）
absent adj. ①缺席的，不在場的 ②缺乏的
[備考必備] 重要詞組
be absent from 缺席
- the manager was absent from the meeting. 經理缺席會議。
[貼心叮嚀]
absent考的頻率很高，對這個詞的考查基本都集中在詞組be absent from上。