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The former head of Microsoft, Bill Gates, has warned that the world could be in great danger from bio-terrorism(生物恐怖主义). He said the world could face a big desaster from a virus(病毒) made by terrorists that could kill 30 million people in less than a year. Mr Gates, the richest person in the world, was speaking at the Munich Security Conference in Germany. He said there was a “reasonable” chance that a bio-terrorist could act in the next 10 to 15 years. He added that world leaders are not prepared for such an attack. He expressed his surprise that very few leaders were even aware of it. He asked for global health security to become a major part of government discussions and policies.

Mr Gates explained, "The next epidemic has a good chance of start on a computer screen." He said a genetically engineered virus was easier to make and could kill more people than nuclear weapons, but no country on Earth is ready for this threat. He asked governments to prepare for these desasters in the same way we prepare for the war. Gates asked governments to start "germ(细菌) games" activities to prepare for a bio-terrorist attack, like many countries engage in war games. He said we needed better monitoring to find the outbreaks early and systems to quickly develop vaccines within weeks rather than years. "We need a new plant of weapons, anti-viral drugs, antibodies, vaccines and new checking methods," he said.

1.What is the danger Bill Gates refers to?

A The computer virus.

B The health security.

C The bio-terrorism.

D The Third World War.

解析：选C。细节理解题。根据第一段第一句The former head of Microsoft, Bill Gates, has warned that the world could be in great danger from bio-terrorism.可知这一危险是指生物恐怖主义，故选C。

2.Why was Bill Gates surprised?

A Because the war will break out soon.

B Because few leaders knew the danger.

C Because the danger could kill 30 million people in a year.

D Because the goverment has no policy about the danger.

解析：选B。细节理解题。根据第一段倒数第二句He expressed his surprise that very few leaders were even aware of it.可知比尔盖茨是对多数世界级别领导人没有意识到这个问题而感到吃惊，故选B。

3.Why did Bill Gates say the epidemic could start on a computer screen?

A Because the computer can help to make the genetically engineered virus.

B Because the virus spreads more quickly through computers.

C Because the epidemic is controlled by computer screens.

D Because germ games are designed on the computer.

解析：选A。细节理解题。根据第二段第二句He said a genetically engineered virus was easier to make and could kill more people than nuclear weapons...可知基因工程病毒更容易制造且会杀死更多的人，而这些事情通常是由电脑参与完成的，因此下一个疫情会从电脑上开始是因为电脑能帮助生产制造基因工程病毒，故选A。

4.What is the suggestion of Bill Gates?

A We should pay more attention to the health security.

B We should find the dealing way in a few weeks.

C We should hold some big games to deal with it.

D We should pay attention to it and prepare for it.

解析：选D。推理判断题。根据全文内容可知比尔盖茨呼吁各国领导人及政府对于这一问题予以重视并想办法应对，故选D。

5.What does the underlined word “desasters” refer to?

A Genetically caused deseases.

B Computer system breakdown.

C Illness popularity caused by terrorists.

D Wounds and injuries caused by wars.

解析：选C。词义指代题。根据上文讲述的基因工程病毒的制造和其带来的危害及下文讲述的应对策略可知这里的灾难是指恐怖主义分子制造的病毒引起的流行性疾病或疫情，故选C。