— How long do you think it will be ___ man can land on Mars?— Well, it depends. A. when B. before C. after D. until 相关知识点: 试题来源: 解析 B 该句需要一个表示时间的连词,且表示“在...之前”。选项中只有 "before" 符合语境,表示“在人类能够登陆火星之前还有多久”。因此...
( )25. Up to now, only ___ countries including China can land a rover on Mars. A. a few B. few C. a little D. little 相关知识点: 试题来源: 解析 到目前为止,只有少数几个国家,包括中国,能够在火星上登陆探测器。正确答案是A。 1. 句意分析:这句话的意思是“到目前为止,只有___国家...
The spaceship can't land on Mars easily ___ the atmosphere there is very thin. A. because B. and C. so D. but 相关知识点: 试题来源: 解析 A。解析:because引出飞船不能轻易在火星着陆的原因是火星大气层很薄。and表示并列,so表示结果,but表示转折。反馈...
结果1 题目 (C)9.-Do you think humans can land on Mars in ten years?-I have no idea. It's not easy to predict what in the future. A. happens B.happened C. will happen D. has happened 相关知识点: 试题来源: 解析 答案见上 反馈 收藏 ...
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“Land on Mars, a roundtrip ticket — half a million dollars. It can be done,〞 he told the BBC. Musk did say that one of the keys to low cost trips to the red planet would be the ability to not only fuel there, but also to reuse the entire spaceship on the return trip. In ...
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10. “I think it would be great to be born on Earth and to die on Mars. Just hopefully not at the point of impact.” —Elon Musk Also featured in:Crazy Quotes,Space Quotes 11 1 Download 16 Wallpapers 11. “Land on Mars, a round-trip ticket – half a million dollars. It can be...
Farming on Mars,however,will be very hard.There's plenty of water that could be taken from ice just below the surface,but the land on Mars is missing the nutrients(养分) that living things need.The team say that they could solve the problem by growing plants and fish ...