Text 1
At last weekend’s consumer-electronics show in Las Vegas, digital convergence arrived with a vengeance. Among the avalanche of new products were lots of mobile phones. Those fitted with digital cameras and camcorders are hardly new, but they now take even better pictures. Others can be used to play three-dimensional video games. Download movies, watch live TV (and record it during an incoming call), operate home-security systems and listen to music files downloaded from the internet. More marvels are on the way. In the midst of this frenzy of new and unfamiliar gizmos, product features would seem to count for everything. But companies in the hypercompetitive electronics industry are discovering something unexpected, and curious: brands matter almost as much as dazzling new technology.
One of the clearest demonstrations of this is South Korea’ s Samsung Electronics, which made a big splash this year in Las Vegas. Samsung was once best know
A. fake.
B. conventional.
C. inviting.
D. digital.
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 a
A. studies on the cause of cancer
B. controversial viewpoints in the cause of cancer
C. the relationship between electricity and cancer
D. different ideas about the effect of electricity on cancer
我来回答: