Without our (A 、principle) (B、 means of air transportation), the airplane, we would (C 、have to) slow down (D 、our lives) and commerce.

Britain needs to export to pay for all the food she imports. (4分)

（二）将下列句子译成英文 

3.标签不应该使人产生误解。 (4分)

除这笔定货外, 请再报给我们50吨钢铁。(3分)

二、将下列词语译成英文 （5分）6. 丝绸贸易7.出于情感的购买 8.经济增长9.目标观众10.市场经济

（一）将下列句子译成中文

1.If you ever visit a major city in another country, you will probably have no trouble getting around. (4分)

一、将下列词语译成中文 （5分）1.medical device2.invisible exports3.rational, thought-out decisions4.a price-and-market mechanism5.cost effectiveness

Which step is the most important for you to buy a good computer?

This passage tells us ______.

You should take ______ steps before you buy a computer.

The sentence “The Computers are very versatile.” means ______.