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　　新概念英语第一册课后练习及详解答案Lesson 18 What are their jobs

　　1 Write these regular plural words in the correct columns. 根据复数的读音将以下规则的名词复数填入表内。

　　office assistants sales reps employees office girls jobs keyboard operators

　　mechanics Customs officers air hostesses engineers taxi drivers

　　lural with a / s/ sound lural with a/z/ sound lural with an / iz/ sound

　　2 Write in the irregular plurals of these nouns. 写出以下不规则名词的复数形式。

　　housewife- ______ man- ______ woman- ______

　　postman- ______ policewoman- ______

　　：Rewrite these sentences in the plural. 用复数形式改写以下句子。

　　1 He is a sales rep. She is a sales rep, too. They are sales reps.

　　2 He is a hard-working employee. She is a hard-working employee, too.

　　(not lazy) ____________________

　　3 I am a nurse. My friend is a nurse, too.

　　(not policewomen) ____________________

　　4 She is a taxi driver. He is a taxi driver, too.

　　(not car mechanics) ____________________

　　5 I am a smart student. My friend is a smart student, too.

　　(not lazy students) ____________________

　　C. Situation：What do you say in this situation 根据以下情景写出你应该说的话。

　　You are introducing an English speaker to two of your colleagues. What do you say ______

　　Lesson 18

　　A

　　1

　　/s/sound: office assistants, sales reps, mechanics

　　/z/sound: employees, office girls, jobs, keyboard operators, Customs

　　officers, engineers, taxi drivers

　　/iz/sound: air hostesses

　　2. housewives, men, women, postmen, policewomen

　　B

　　2 They are hard-working employees. They aren't lazy.

　　3 We are nurses. We aren't policewomen.

　　4 They are taxi drivers. They aren't car mechanics.

　　5 We are smart students. We aren't lazy students.

　　C

　　This is[name]and this is[name].

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