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The virus came to official attention in a bag of dead chickens. Early in March 1997, a farmer from Hong Kong’ s New Territories carried them into the Agriculture and Fisheries Department laboratory. Something had caused their internal tissues to hemorrhage. The result in some cases was hideous and bloody.
By the time inspectors reached his farm, most of the birds were dead. Cultures of their organs revealed they had died of avian influenza, type HSN1.
66. ______
Then came more bad news. A three-year-old boy died of flu complications in a Hong Kong hospital. The virus was diagnoses as HSNI. Flus of the H5 subtype had never been known to infect humans. It wasn’t over. In the next seven months, 168 Hong Kong residents fell ill with HSN1 and six died.
In late December, public-health officials took a drastic step, ordering the slaughter of every chicken in every farm and marketplace in Hong Kong. The HSN1 virus seemed to disappea

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Computer Virus and Virus Scan
A computer virus is a software program that attaches itself to another program in computer memory or on a disk, and spreads from one program to another. Viruses can damage data, cause computers to crash, display offending or bothersome messages, or lie dormant (保持静止的状态) until such time they are set to "awaken". In today’s industry, scanning is no longer considered to be an extravagance--but a necessity. Computer viruses no longer attack your computing environment only but all other computing environments which you contact. Computer viruses can attach themselves to the files being used and later propagate (复制) themselves through disks and files. Important information and hardware losses could plague (瘟疫，烦扰) your computing environment should you not take the proper precautions.
Many anti-virus products, such as Virus Scan, hold up the list of proper precautions. Scheduled periodic scans of your computing environme

[名词解释]Transfusion transmitted virus

[单项选择]The first person I came across who’d got the measure of e-mall was an American friend who was high up in a big corporation. Some years ago, when this method of communication first seeped into business life from academia, his company in New York and its satellites across the globe were among the first to get it. In the world’s great seats of learning, e-mail had for some years allowed researchers to share vital new jokes. And if there was cutting-edge wit to be had, there was no way my friend’s corporation would be without it.
One evening in New York, he was late for a drink we’d arranged. "Sorry," he said, "I’ve been away and had to deal with 998 e-mails in my queue." "Wow," I said, "I’m really surprised you made it before midnight."
"It doesn’t really take that tong," be explained, "if you simply delete them all."
True to form, he had developed a strategy before most of us had even heard of e-mail. If any information he was sent was sufficiently vital, his lack of
A. so that employees could contact academics more easily.
B. to avoid missing out on any musing novelty.
C. because it had been tried and tested in universities.
D. to cope with the vast mount of correspondence they received.

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