词汇学习 Word study
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。
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?
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.
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