经贸英语文章选读课件董晓波 ISBN9787566302199 PPTUNIT 7.pptVIP

CONTENTS TEACHING AIMS After studying this unit, you are required to Have a general idea of the reasons why international trade takes place. 2. Understand the three most important categories in a nation’s balance of payments . 3. Have a general idea of what Law of Comparative Costs means. 4. Master the difficult words and expressions. TEXT A Reading Comprehension Read the following sentences and decide whether they are true（T) or false（F)． 1. The United States is a major consumer of wheat, yet it does not have the climate to grow any of its own. ( ) 2. The first reason why the exchange of goods between nations takes place is that no nation has all of the commodities that it needs. ( ) 3. The United States produces more automobiles than any other country, so it has no need to import large quantities of autos from other countries. ( ) TEXT A New Words and Expressions: 1. caveman n. （史前石器时代的）穴居人；野人 Economic activity? began with the caveman, who was economically self-sufficient. 经济活动始于自给自足的穴居人。 2. surplus n. 剩余；顺差；盈余；过剩 I deny that surplus value is the source of profit in any useful sense. 在任何有用的意义上，我都否认“剩余价值是利润的源泉”。 TEXT A New Words and Expressions:  3. utilize vt. 利用 To avoid an oil shortage, more machines should utilize solar energy. 为避免石油短缺，更多的机器应当利用太阳能。 4. plant n. 工厂，车间 Would you like to see the video introducing our plant? 你们要看介绍我们工厂情况的录像片吗？ TEXT A New Words and Expressions: 5. barter n. 物物交换；实物交易 The soldiers bartered for furs with rifles. 士兵们以步枪交换毛皮。 6. scatter vi. 分散，散开；散射 Small villages scatter at the foot of the mountain. 村庄零零落落地散布在山脚下。 TEXT A New Words and Expressions: 7. deposit n. 矿床, 矿藏; 沉淀物 The results show that the deposit can be exploited after taking some measures. 结果表明：采取一定的措施后，排尾后下部矿体可以回采。 8. domestically adv. 国内地；家庭式地 Imports are goods and services that are prod