6、Our old classroom building, which was built a century ago, has become a sort of a local ().

4、Professor Peterson was invited to give a speech at a conference held for the top () at Fortune 500 companies.

3、When pursuing the deeper meaning of any event in history, it is essential to understand its historical ().

2、Professional translators (翻译者) quite often () just one field, for example law or medicine.

1、You have to be aware of cultural differences when doing business in a(n) () market.

8、Mark is getting () as a disabled person. He will soon be able to park his car near entrances.Unit 5

7、Most students nowadays know that DNA contains the blueprint of life, but few remember the name of the German scientist who first discovered and () the DNA molecule (分子).

6、A chemical () is any aspect of a substance which is only seen by means of a chemical reaction (反应).

5、A bus overturned in Warsaw when fighting () between the driver and a passenger.

4、The end of WWII in Asia had a lot to do with the dropping of two () bombs on Japan.

3、In war times gold is more desirable because it is highly ().