新概念第一册自学导读 Lessons17-18

练习答案  Key to written exercises

Lesson 18

A

1  That man is tall. He is a policeman.

2  Those girls are busy. They are keyboard operators.

3  Our names are Britt and Inge. We are Swedish.

4  Look at our office assistant. He is very hard-working.

5  Look at Nicola. She is very pretty.

6  Michael Baker and Jeremy Short are employees. They are sales reps.

B

1  Are they keyboard operators or air hostesses?

They aren't keyboard operators. They're air hostesses.

2  Are they postmen or policemen?

They aren't postmen. They're policemen.

3  Are they policewomen or nurses?

They aren't policewomen. They're nurses.

4  Are they customs officers or hairdressers?

They aren't customs officers. They're hairdressers.

5  Are they hairdressers or teachers?

They aren't hairdressers. They're teachers.

6  Are they engineers or taxi drivers?

They aren't engineers. They're taxi drivers.

7  Are they policewomen or keyboard operators?

They aren't policewomen. They're keyboard operators.

8  Are they milkmen or engineers?

They aren't milkmen. They're engineers.

9  Are they policemen or milkmen?

They aren't policemen. They're milkmen.

10  Are they nurses or housewives?

They aren't nurses. They're housewives. 

词汇学习 Word study

1．custom  n.

风俗；习惯；

When visiting a foreign country, we might find the country's customs strange to us.

当我们去外国访问时，我们也许会发现该国的某些风俗习

惯有些奇怪。

It is his custom to go for a walk in the evenings.

他惯常在晚上出去散步。

2．customs, Customs  n.

[复]海关；征收关税的程序：

The spy was stopped at the Customs and questioned.

那个间谍在海关被截住并被加以盘问。

How long will it usually take to pass the Customs?

通过海关检查通常要花费多少时间？