trade

n. [U] the activity of buying and selling, or exchanging, goods and/or services between people or countries:

The country's trade in manufactured goods has expanded in the last ten years.

Seventy per cent of the country's trade is with Europe.

The two countries have signed a trade agreement for one year only.:

[vi. or vt. usually + adv. or prep.] to buy and sell goods or services, especially between countries:

For centuries, Native Americans traded with European settlers.

The company has been trading in oil for many years.

5. Finally, the Arabs were great traders and so they introduced the English to many new words like coffee and alcohol.(P39) 最后, 阿拉伯人是伟大的商人, 因此他们为英语引入了很多新词, 如咖啡和酒精.

introduce

vt. to tell someone another person's name the first time that they meet:

I'd like to introduce my younger son, Mark.

Have you two been introduced (to each other)?

introduction

n. [C or U]

You'll have to do/make the introductions - I don't know everyone's name.

My next guest needs no introduction (= is already known to everyone).

相关高考试题

When first ______ to the market, these products enjoyed great success. (2004全国)

A. introducing B. introduced C. introduce D. being introduced

答案 ：B

第二部分：练习

1. Believe it or not. Though it sounds u____________, it is a true fact.

2. I suggest you get your parents' a___________ before you travel alone.

3. Millions of people want new, simplified ways of i_________ with a computer.

4. The price of crops is g_________ by the market demands.

5. All I r_________ of you was that you come early.