Comparison with the current space tourism programme suggests this maths may be accurate. To ride the Russian Soyuz (the only tourist ride currently available) costs more than US$20 million per person. However, other people, including one important ex-cosmonaut , criticise the Russian government (8) A B C D raising money in this way, even though it uses the money for the space programme. In the ex-cosmonaut's (9) A B C D , it uses up Russia’s agreed quota of space missions without achieving anything. He also believes that these (10) A B C D tourists would be a danger in a difficult or life-threatening crisis in space.
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发表于 2022-7-28 17:09:36
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发表于 2022-7-28 20:04:47
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