Text 4 Can electricity cause cancer In a society that literally runs on electric power, the very idea seems preposterous. But for more than a decade, a growing band of scientists and journalists has pointed to studies that seem to link exposure to electromagnetic fields with increased risk of leukemia and other malignancies. The implications are unsettling, to say the least, since everyone comes into contact with such fields ,which are generated by everything electrical, from power lines and antennas to personal computers and micro-wave ovens. Because evidence on the subject is inconclusive and often contradictory, it has been hard to decide whether concern about the health effects of electricity is legitimate or the worst kind of paranoia. Now the alarmists have gained some qualified support from the US Environmental Protection Agency. In the executive summary of a new scientific review, released in draft form late last week, the EPA has put forward what amounts to the mo
A. it may stir a great deal of debate among the Bush Administration
B. every unit of the modern military has depended on the heavy use of some kind of electronic equipment
C. the Pentagon's concern was understandable
D. they had different arguments
Text 3 Can anyone compete with Microsoft in the world of software applications For years now, Bill Gates & Co. have had clear sailing: the Windows operating system monopoly has helped make their key products--like Word and Outlook--into unbeatable juggernauts. Meanwhile, innovation in those areas proceeds only at the pace that Microsoft deems appropriate. The Open Source Applications Foundation has a different idea: to promote free software and innovation by creating cool new applications on a bare-bones budget. The not-for-profit OSAF was initially funded with $ 5 million from former Lotus Development Corp. founder Mitch Kapor. For Kapor, this is a fascinating departure. Twenty years ago he introduced one of the first killer applications of the PC age, the Lotus 1-2-3 spreadsheet; it was unabashedly for-profit and was closed-source. But Kapor always had his heart in the counterculture, and after leaving his company he co-found ed the Electronic Frontier Foundation, a
A. counterculture is important.
B. everyone can contribute in creating better software.
C. experts can improve a software.
D. it can be a challenge to the conventions.
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