Data collection

　　Robots are designed for collecting scientific data.Robots are also able to perform many tasks at a time and can process information much quicker and more efficiently.Important scientific projects from detecting minerals，analysing ground samples，and finding water are all performed much quicker and more accurately(精确地) by robots.

　　Cost effective

　　The use of robots has made the cost of space exploration much less expensive than it would cost for humans to do the work.In order to successfully send humans into space we would need to build a vehicle that can not only carry humans，but support enough food and water to keep them ，robots have no problems working for hours on end.Robots never complain，they don't require food or water，and they never need a bathroom break.pace.Perhaps the most famous and successful robots are the Spirit and Opportunity who have both been exploring the surface of Mars.They both have been very successful with experiments on soil and rocks and have even found evidence of water on Mars' history.

　　11．According to the passage，which of the following is NOT true?earth.

　　C．Both the Spirit and Opportunity have found the evidence of water on the Mars.

　　D．Many different types of robots have explored the space successfully.

　　12．Which column could the passage come from?

　　A．Education.

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