Unit 1 Making a difference

    engagement ring訂婚戒指(戴在左手無名指上)
    6.scientists，on the other hand，hawking writes，know that their job is never finished and that even the best theory can turn out to be wrong.
    霍金寫到，從另一個方面說，科學家知道他們的工作是永無止境的，即使是最完美的理論，也可能是錯誤的。
    turn out to be“結果是”“最后的情況是”+副/+形/+to do/+that..
    例：the  weatherman said it was going to rain this afternoon but it turned out to be very lovely.
      天氣預報說今天下午有雨，其實今天天氣非常好。
the lecture turned out to be very dull.
講座結果很無聊。
everything turned out well.一切順遂。
the rumor turned out (to be) true.那謠言后來證明是真的。
    it turned out (that) two travelers had been killed
    后來證實(查明)有兩位旅客喪生。
    turn out  vi.  (為集會等)外出，去。
    turn out  vt..(可分開用) 關 (熄滅) (煤氣，電燈油燈等)
    turn out  vt.  (可分開用 ) 生產 (產品)，出產
例：the factory can turn out l000cars a day.
    這家工廠一天能生產1000輛汽車。
7.everyone has his or her special skills and interests，and only by discovering what we do best can we hope to reach our goals and truly make a difference.
  每個人都有自己的專長和興趣，只有發現自己的專長，我們才能期望達到自己的目標，真正與眾不同。
 only修飾介詞短語或從句時，要求倒裝。
 例：only at that time did i realize its importance.
    直到那時我才意識到它的重要性。
    only in this way can you make progress in your english study.
    只有這樣你才能在英語學習上取得進步。
    only when you finish your homework can you go out to play football.
    只有當你完成作業你才能出去踢球。
    only修飾主語時，通常置于主語之前。
    例：only you understand me.只有你了解我。
    only修飾主語以外時，通常置于動詞之前(有be動詞、助動詞時，則置于其后)
    例：she only eats vegetables.她只吃蔬菜。
    i only lent you the money.那筆錢我只是借給你(不是給你)。
    he only works when he's got homework.
    他只在有家庭作業時才做功課。
    i've only seen him once.
    我只見過他一次。
 8.imagine this：you are twenty-one years old and a promising graduate student at one of the top universities in the world.