SurfaceExploration.Robotsmakegreatexplorersonplanets，mo...

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SurfaceExploration.Robotsmakegreatexplorersonplanets，mo...

Surface ts make great explorers on planets，moons，and other landing e from earth，just about every surface in the solar system is unsafe for humans to air on most other planets is insufficient for humans to breathe，making it necessary to wear a space suit and oxygen temperatures on these surfaces are much too hot or much too cold for any humans to withstand．Plus there would be complications with radiation，weather，and a lack of ts have much less limitation in these areas and can survive much longer under these conditions.

Data ts are designed for collecting scientific ts are also able to perform many tasks at a time and can process information much quicker and more rtant scientific projects from detecting minerals，analyzing ground samples，and finding water are all performed much quicker and more accurately (精確地) by robots.

Cost use of robots has made the cost of space exploration much less expensive than it would cost for humans to do the order to successfully send humans into space we would need to build a vehicle that can not only carry humans，but also enough food and water to keep them alive for the duration of the over，robots have no problems working for hours on ts never complain，they don't require food or water，and they never need a bathroom break.

Space the past 30 years or so there have been many different types of robots used successfully in the exploration of aps the most famous and successful robots are the Spirit and Opportunity who have both been exploring the surface of have both been very successful with experiments on soil and rocks and have even found evidence of water in Mars' history.

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

A．The use of robots in space exploration costs more than the use of humans.

B．It may be dangerous for humans to explore the solar system except the earth.

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

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

12．Which column could the passage come from?

A．Education. B．Finance. C．Travel. D．Science.

13. The underlined word “withstand” most probably means“________”．

A．arise B．bear C．defeat D．diverse

14．What is the writer's attitude in this passage?

A．Negative. B．Persuasive. C．Subjective. D．Objective.

15．While sending an astronaut into the space，we should consider the following EXCEPT _____．