24.　 Chinese doctors are playing an important role in the ____________ (战役) against AIDS.

23.　 Scientists often have to rely on government ______________ (支持) in order to do research.

22.　 This is a ____________ (私人的) conversation. It’s none of your business.

21.　 My house is far away from the business __________ (区；区域).

20.　 She’s a ___________ (硕士) of Arts, while her husband has a Doctor of Engineering.

19.　 Our company has ______________ (代理处) all over the world.

18.　 Scientists have been able to create a chemical ____________ (元素) that can fight cancer cells.

17.　 Chinese computer engineers have built the nation’s first ________________ (具有人的特点) robot.

16.　 In 2000, Chinese scientists _____________ (宣布) that they had completed their part of the international human genome project.

15.　 China has long been a leader in the field of genetic research __________ (瞄准；目的在于) at improving agriculture.