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最佳答案：LiweiYang has made great contribution to Chinese space science
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最佳答案：The requirement for reliable power supply systems has become higher and higher f
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最佳答案：1.Liwei Yang rode in the Shenzhou V manned spaceship to blast off on October 15,
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最佳答案：1,the my body be strong,the mental character lead hard.2,I control on my own abi
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最佳答案：space flight; spaceflight; aerospace
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最佳答案：in the barber's chairsleep latetalk on the phoneFlight Museumland on Center Stre
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最佳答案：1.The astronauts are qite welcomed by local people of HongKang and Macao.2.The m
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最佳答案：Aluminium alloy is the most widely used in industry of a class of non-ferrous me
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最佳答案：1,arrive2,in front of3,a head of/ foreside of ...4,on the barber's chair5,lie in
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最佳答案：We have ridden in a spaceship having got to a space station , have got to Mars a