課文詳注 Further notes on the text
    1．What about some steak? 來(lái)點(diǎn)牛排嗎？
    句中What可以換成How，用來(lái)征求對(duì)方看法或意見(jiàn)。請(qǐng)參看Lessons 31～32課文詳注。
    2．to tell(you) the truth, 老實(shí)說(shuō)，說(shuō)實(shí)話。
    它常用于句首，作句子的附加成分，表示說(shuō)話人對(duì)所說(shuō)話語(yǔ)的態(tài)度：
    To tell you the truth, I don't like his new car at all.
    給你講實(shí)話，我一點(diǎn)兒也不喜歡他的那輛新車。
    3．序數(shù)詞13th～24th
    13th----thirteenth 14th----fourteenth 15th----fifteenth
    16th----sixteenth 17th----seventeenth 18th----eighteenth
    19th----nineteenth 20th----twentieth 21st----twenty-first
    22nd----twenty-second
    23rd----twenty-third
    24th----twenty-fourth
    語(yǔ)法 Grammar in use
    1．選擇疑問(wèn)句
    含有or的問(wèn)句稱為選擇疑問(wèn)句。or之前的部分讀升調(diào)，之后的部分讀降調(diào)。這種疑問(wèn)句不能簡(jiǎn)單地用Yes或No 來(lái)回答。選擇疑問(wèn)句把選擇的余地縮小在數(shù)目有限的事物、行動(dòng)等上面，可以有無(wú)限性的選擇、3項(xiàng)選擇以及兩項(xiàng)選擇。選擇疑問(wèn)句通?？梢圆捎每s略形式，如：
    Beef or lamb?
    牛肉還是羔羊肉？
    選擇疑問(wèn)句的例句如：
    What would you like to drink?
    你喜歡喝什么？（無(wú)限性選擇）
    Which/What would you prefer, tea or coffee?
    茶和咖啡，你喜歡哪一種？（兩項(xiàng)選擇）
    Would you like tea, coffee, or milk?
    你喜歡茶、咖啡、還是牛奶？（3項(xiàng)選擇）
    How shall we go, by bus or by train?
    我們?cè)趺醋?？乘公共汽車還是坐火車？
    Did you go there, or didn't you?
    你去了那兒還是沒(méi)有去？
    Did you or didn't you go there?
    你是去了還是沒(méi)有去那兒？
    2．一般現(xiàn)在時(shí)的單數(shù)第3人稱形式
    （可參見(jiàn) Lessons 47～48語(yǔ)法部分。）
    詞匯學(xué)習(xí) Word study
    1．too adv.
    也，還（常用于肯定句，有時(shí)也用于疑問(wèn)句，但不能用于否定句。常見(jiàn)于句末，而且too前常有逗號(hào)；如果不在句末，too前后都應(yīng)當(dāng)有逗號(hào)）：
    I like lamb, too.
    我也喜歡小羊肉。
    Can I come, too?
    我也來(lái)，行嗎？
    I, too, have been to Shanghai.
    我也到過(guò)上海。2．either adv.
    也，而且（一般用于否定句，位于句末，前面通常有逗號(hào)）：
    He doesn't like the house, and I don't like it, either.
    他不喜歡這所房子，我也不喜歡。
    If you do not go, I shall not go, either.
    如果你不去，那么我也不去。
    I haven't seen the film and my sister hasn't either.
    我沒(méi)有看過(guò)那部電影，我妹妹也沒(méi)看過(guò)。
    練習(xí)答案 Key to written exercises
    Lesson 50
    A
    1 He likes coffee, but I don't.
    2 She likes tea, but he doesn't.
    3 He is eating some bread, but she isn't.
    4 She can type very well, but he can't.
    5 They are working hard, but we aren't.
    6 He is reading a magazine, but I am not.
    B
    1 Yes, he does.
    He likes cabbage, but he doesn't want any.
    2 Yes, he does.
    He likes lettuce, but he doesn't want any.
    3 Yes, I do.
    I like peas, but I don't want any.
    4 Yes, she does.
    She likes beans, but she doesn't want any.
    5 Yes, I do.
    I like bananas, but I don't want any.
    6 Yes, he does.
    He likes oranges, but he doesn't want any.
    7 Yes, he does.
    He likes apples, but he doesn't want any.
    8 Yes, she does.
    She likes pears, but she doesn't want any.
    9 Yes, I do.
    I like grapes, but I don't want any.
    10 Yes, she does.
    She likes peaches, but she doesn't want any.