新概念英语第一册自学导读-Lessons17-18

新概念英语第一册自学导读Lessons17-18留意这种句型与Whatis…？或Whatare…？这类句型的区分：What…？句型主要用来询问人的类别或职业，如：

请参见Lessons5～6与Lessons7～8语法局部的解释。

2．全部格形容词与人称代词

（请参见Lessons11～12语法局部。）

全部格形容词their意为“他们的”，其对应的人称代词是they。下面是人称代词及其对应的全部格形容词形式：

练习答案Keytowrittenexercises

Lesson18

A

1Thatmanistall.Heisapoliceman.

2Thosegirlsarebusy.Theyarekeyboardoperators.

3OurnamesareBrittandInge.WeareSwedish.

4Lookatourofficeassistant.Heisveryhard-working.

5LookatNicola.Sheisverypretty.

6MichaelBakerandJeremyShortareemployees.Theyaresalesreps.

B

1Aretheykeyboardoperatorsorairhostesses?

Theyaren”tkeyboardoperators.They”reairhostesses.

2Aretheypostmenorpolicemen?

Theyaren”tpostmen.They”repolicemen.

3Aretheypolicewomenornurses?

Theyaren”tpolicewomen.They”renurses.

4Aretheycustomsofficersorhairdressers?

Theyaren”tcustomsofficers.They”rehairdressers.

5Aretheyhairdressersorteachers?

Theyaren”thairdressers.They”reteachers.

6Aretheyengineersortaxidrivers?

Theyaren”tengineers.They”retaxidrivers.

7Aretheypolicewomenorkeyboardoperators?

Theyaren”tpolicewomen.They”rekeyboardoperators.

8Aretheymilkmenorengineers?

Theyaren”tmilkmen.They”reengineers.

9Aretheypolicemenormilkmen?

Theyaren”tpolicemen.They”remilkmen.

10Aretheynursesorhousewives?

Theyaren”tnurses.They”rehousewives.

词汇学习Wordstudy

1．customn.

风俗；习惯；

Whenvisitingaforeigncountry,wemightfindthecountry”scustomsstrangetous.

当我们去外国访问时，我们或许会发觉该国的某些风俗习

惯有些惊奇。

Itishiscustomtogoforawalkintheevenings.

他惯常在晚上出去漫步。

2．customs,Customsn.

[复]海关；征收关税的程序：

ThespywasstoppedattheCustomsandquestioned