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Text 2
After a shaky start, the Martian flotilla that has arrived over the past few weeks is getting down to business. Two of the five craft in it seem to be working perfectly. Two are lost. And a fifth is sick, but undergoing treatment.
The most spectacular pictures so far have been provided by Mars Express, the European Space Agency’s contribution to the fleet. On January 28th this reached its final working orbit (which takes it over both poles, and thus allows it to see the whole of Mars over the course of a few days as the planet revolves beneath it). It has, however, been sending back data since shortly after it arrived, and a few days ago its controllers released a series of beautiful photographs, including a stereo image of Valles Marineris, a huge canyon that may have been
formed by flowing water.
The most scientifically significant result, though, has come from Opportunity, America’s second Mars rover. One of Opportunity
A. could subsist despite the discovery of ice
B. is aroused by the wish to find life there
C. depends largely on the funding of these projects
D. might turn out to be a waste of resources

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A.正确
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