6.as a result，结果，因此。

　　He didn't work hard at mathematics. As a result, he failed in the examination.

　　他没有用功学数学。因此，他考试没及格。

　　My husband Spent weeks training our dog to press its paw on the latch. As a result, it has become an expert at opening the gate.

　　我丈夫花了几个星期的时间训练我们的狗用脚爪按住门闩。结果，它现在成了开门的专家。

　　新概念英语第一册第90课单词详解 Word study

　　1.special adj.

　　(1)特殊的，特别的，独特的：

　　He received special care while in Paris.

　　他在巴黎期间受到了特别照顾。

　　He intends to send you a special gift on your birthday.

　　他打算在你生日那天送你一份独特的礼物。

　　(2)专门的，特制的，专用的：

　　Special cages are made to protect them from giant fish.

　　为了保护他们免受大鱼的侵袭，人们做了特制的笼子。

　　A special railway line will be built for the Olympic Games.

　　为了奥运会，人们将修筑一条铁路专线。

　　2.被看做繁体的、用and连接的两个名词

　　(1)当主语是and连接的两个名词时，谓语通常用复数形式：

　　Jane and Bill have got married last week.

　　简和比尔于上星期结了婚。

　　An umbrella and a suitcase are still needed.

　　还需要一把伞和一只手提箱。

　　(2)有些名词由于经常在一起连用，人们已把它们看成一个整体(或一个单位)，因而成了一种复合名词。它们不仅有固定的词序，且后面的谓语动词通常要用单数形式。这类复合名词包括bacon and eggs(咸肉和鸡蛋)，bread and butter(面包和黄油)，cheese and wine(奶酪和葡萄酒)，fish and chips(鱼和油炸土豆片)，a knife and fork(一副刀叉)，sausage (s) and mash(香肠和土豆泥)。

　　Fish and chips is a popular meal in Britain.

　　鱼和炸土豆片在英国是颇受欢迎的食品。

　　Bacon and eggs is my favourite dish.

　　咸肉和鸡蛋是我爱吃的一道菜。

　　但是，如果我们把这两个名词看成是分开的东西，动词就要用复数：

　　Fish and chips make a good meal.

　　鱼和炸土豆片就是一顿美餐。

　　因此，谓语动词在这些名词后面究竟用单数还是复数形式还需要看具体情况。

　　新概念英语第一册第90课课后练习答案 Key to written exercises

　　1.关键句型练习答案

　　B 1 They have had special cages made to protect the divers from these monsters.

　　2 The oil companies have had the rigs repaired frequently.

　　3 The divers often have to work in total darkness.

　　4 He has had a book published.

　　5 We have to protect fish stocks.

　　6 We have not had the letter sent to his new address.

　　7‘I will have the package sent to you,’she promised.

　　8 Do you have to go so soon?

　　9 Are you going to have this suit cleaned?

　　10 When will you have this loose handle fixed?

　　11 I have to take this cap in to have new brakes fitted.

　　12 How long is it since you had to see a doctor?

　　13 The doctor told me I had to get more exercise.

　　2.难点练习答案

　　1 is 2 is 3 are 4 Is 5 have

　　3.多项选择题答案

　　1b 2c 3c 4c 5a 6b

　　7c 8b 9a 10d 11d 12d

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