When the first man landed on the moon, what were scientists on Earth doing? A. They were celebrating. B. They were observing. C. They were sleeping. D. They were working on other projects. 相关知识点: 试题来源: 解析 B。当第一个人登上月球时,地球上的科学家应该在观察。A 选项“他们...
The body landed on Earth in 9 seconds.Find from what height it fell and what was its speed on impact? 相关知识点: 试题来源: 解析 t=9 sg = 9.81 m/sh= g t = 9.81 9 = 397.305 mv=g t = 9.81 9 = 88.29 m/s 反馈 收藏
When we come up with a scenario, we get a shiver of excitement, thinking that maybe we've got close to what actually happened. Planetologists start from the present position of the planets, attempting to hypothesise a scenario of the Solar System's formation with the help of computer simula...
The Apollo programme now seems a remote historical episode: young people all over the world learn that America landed men on the moon, just as they learn that the Egyptians built the pyramids; the motivations seem almost as bizarre in the one case as in the other. The race to the moon w...
what grade what happened before what happened to forg what happened to your what has not changed what i can do to make what i did in texas what i feel has come what i hear when you what i want to do is what i wanted to what ive done distort what ive found has ne what if god...
When I was a 3- year- old boy, my parents found I was deaf. After asking many doctors and parents of other deaf children, they finally decided to put me in a normal school. On my first day, the other kids made fun of me because of my hearing aid and the way I talked. Although...
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(1)T细节理解题.根据"OurreporteraskedpeoplewhattheyweredoingonJuly20th,1969whenmanfirstwalkedonthemoon"句意可知,人类第一次在月球上行走是在1969年7月20日,所以此句正确,故答案为T.(2)F细节理解题.根据"andIwaswithmyfamilyinthemountains.Wewerehavingapicnic.Wedidn'tseethemoonlandingwhenithappened"句意可...
The story is told about what happened on a flight between a passenger and an air hostess. The passenger rang and told the air hostess (乘务员) that he needed a cup of ___to take his medicine when the plane just took off. She told him that she would___him the water in ten minutes...
“It happened, in the Revolution of July, on the evening of the most brilliantly victorious day, when every house was a fortress, every window a breastwork. The people stormed the Tuileries. Even women and children were to be found among the combatants. They penetrated into the apartments ...