In the year 3000, people believed that humans ___ to Mars. A. would travel B. will travel C. traveled D. have traveled 相关知识点: 试题来源: 解析 A。本题考查过去将来时。在 3000 年这个过去的时间点,人们认为人类将会去火星,用过去将来时,would + 动词原形。反馈 收藏 ...
知开给就和么素构示生照角就加知开给就和么素构示生照角就加travel知开给就和么素构示生照角就加知开给就和么素构示生照角就加 D. 身干间京采准没料身干间京采准没料traveled身干间京采准没料身干间京采准没料 相关知识点: 试题来源: 解析 B。“by the end of this decade”表示将来的时间...
What is the most important problem for humans to travel to Mars?62. Is it a long journey to get to Mars?63. Why can't astronauts grow plants on Mars?64. What have the scientists grown in the special soil? 相关知识点: 试题来源: 解析 The most important problem is about food 62.Yes,...
NASA Wants to Send Humans to Mars, but Does It Have the Money?NASA has released an outline for human travel to Mars in the next20 years, but a lack of details...Henry, Jason
A. will travel B. travel C. are traveling D. traveled 相关知识点: 试题来源: 解析 A。本题考查一般将来时,“predict”表示预测,后面接将来的动作,“in the next 20 years”表示将来的时间段,用一般将来时,A 选项“will travel”符合。反馈 收藏 ...
Human travel to Mars has long been the unachievable dangling carrot for space programs. Now, astronauts could be a step closer to our nearest planetary neighbor through a unique manipulation of nuclear fusion, the same energy that powers the sun and stars. ...
In this excerpt, he explores the enormous costs involved with space travel, and why, despite the potential riches at stake, it might just be better to stay grounded for a while still. "If we don't improve our pace of progress, I'm definitely going to be dead before we go to ...
Obama has rhapsodized about traveling to Mars in his lifetime. In a 2010 speech at the Kennedy Space Center, the President outlined an ambitious program that will eventually include human travel to Mars. He said then that he believed people could be sent to orbit Mars by the "mid-2030s....
“I wish he was right, but the reality is that Mars travel, for people, is very risky right now and all the risks are not controlled enough (yet) to allow...
humans to travel to Mars, that gives you about seven years to save up your money, but it's not yet known exactly how much a trip to Mars will cost. For Musk's part, he hopes to bring it down from an estimated $10 million using today's technology to something a littl...