Being a Teenager教學案

（2）adj. 成年人的；已成熟的；適合成年人的
例句he has a very adult manner although he's only 12.
雖然他只有十二歲，他舉止卻很像大人。
［詞匯拓展］
adultness  n.成熟, 老成
例句 though he is young, he acts with adultness. 他少年老成。

13. period
n
①一段時間
例句my childhood was the happiest period in my life.
童年是我一生中最快樂的時期。
he became famous during the period of french revolution.
他在法國大革命時期出了名。
②一節（課）；一堂（課）
例句in a history period, the naughty boy slept.那個淘氣的男孩在一堂歷史課上睡著了。
［有用的短語］
①at no period 從來沒有
例句 at no period was the criminal doing a good deed. 那個罪犯從來就沒做什么好事。
②come to a period  結束
例句 at last the boring meeting came to a period. 最后那個無聊的會議結束了。
③put a period to sth.  結束某事
例句 you should put a period to playing so much. 你該結束這么玩了。
［詞匯拓展］
periodic  adj. 周期的；定期的
例句he has recited periodic table.他背過了元素周期表。

14. disappoint
vt
①使失望；使掃興
例句the book disappointed me.  這本書令我失望。
i'm sorry to disappoint you, but i can't agree with you there after all.
使你失望我心里很不安,不過我實在是不能同意你的意見。
②使（計劃等）落空，打亂（計劃），使受挫折
例句the thief was disappointed of his purpose. 小偷的目的落了空。
    i'm sorry to disappoint your hope.
對不起，我使你的希望落空了。
③對…失信；對某人［某事］失望
例句he is disappointed in the lawyer about the case. 他對這個案件的律師很失望。
［有用的短語］
make sb. disappointed = let sb. down 使某人失望
例句what he said at the meeting made the people at present disappointed.
     他在會議上的話使得在場的人感到很失望。
［詞匯拓展］
①disappointed  adj.失望的
例句 president james was shot by a disappointed office seeker on.
詹姆斯德總統被一個失望的謀求官職者槍擊。
they were disappointed about/with/at the results. 他們對結果感到失望。
she was disappointed at not being invited to party.
她由于未獲邀請參加聚會而感到失望。
i was disappointed that we couldn’t go to the cinema.
我們不能去看電影令我很失望。
②disappointing  adj.使人失望的, 令人失望的
例句  he finished the marathon in a disappointing 12th place.
他以令人失望的第十二名結束了馬拉松賽跑。
③disappointment  n.失望
例句 to their disappointment, the result was contrary to their expectation.
結果與預料恰好相反,這使他們感到失望。
④disappointedly  adv.失望地
例句 after the match, the athlete returned home disappointedly.
     比賽結束后，那個運動員很失望地回了家。

15. experience