2. 外语
  3. In January 1986, Basit and Amjad Alvi, wrote a piece of code to safeguard the latest version of their heart monitoring software

In January 1986, Basit and Amjad Alvi, wrote a piece of code to safeguard the latest version of their heart monitoring software

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问题     In January 1986, Basit and Amjad Alvi, wrote a piece of code to safeguard the latest version of their heart monitoring software from piracy. They called it Brain, and it was【B1】______ a wheel clamp(固定夹)for PCs. Computers that ran their program, plus this entirely new bit of code, would stop working after a year, though they【B2】______ provided three telephone numbers, against the day. If you were a legitimate 【B3】______, and could prove it, they’d unlock you.
    But in the way of all creative technologies, something unintended happened. The Alvi’s wheel clamp was soon copied by some computer hobbyists, who began to【B4】______ it, concealed within various digital documents that people might be expected to want to open. Because almost all these booby-trapped files【B5】______on floppy disks, the virus spread at a pre-Internet snail’s pace.
    Still, it did cause a certain amount of low-grade【B6】______, freezing computers across the world. The hobbyists did it because they could, or to see what would happen, or simply because they thought it was great. This proved【B7】______ for the Alvi brothers, whose three telephone numbers were often included in the files, and eventually they had to cut all three lines. There were far too many angry callers, mainly from the United States and Britain.【B8】______, the road to our present universe teeming with viruses was 【B9】______, a quarter century ago, with the Alvi brothers’ good【B10】______of securing their intellectual property. And today, it won’t be a surprise to see a notice that you should keep yourself from being attacked by virus.
【B9】
选项
答案paved
解析 空格前的句子中的road为主语，由此可知，此处需填入一个动词作谓语。结合录音可知，答案为paved，意为“铺设”。注意，paved与was构成被动语态形式。
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