The （ ） of computer viruses shows what can happen when technology gets popularized. ( 章节：4 难度：4)
- A、being ambiguous
- B、ubiquity
- C、being popular
- D、being everywhere
正确答案:B
答案解析:有
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The （ ） of computer viruses shows what can happen when technology gets popularized. ( 章节：4 难度：4)
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