作业帮 > 英语 > 作业

初三英语首字母填空Since t_____ of millions of years,the moon has been

来源:学生作业帮 编辑:百度作业网作业帮 分类:英语作业 时间:2024/07/07 07:42:35
初三英语首字母填空
Since t_____ of millions of years,the moon has been going round the Earth.The moon was the only satellite of the Earth.Today the Earth has many other satellites.All of them are made by man.These man-made satellites are m____ smaller than the moon.Some of them will still go round the Earth thousands of years.
Man-made satellites don't f___ because they are going too fast to do s____.The pull of the Earth k___ then from doing this.As a result,they travel in an orbit round the Earth.
If a man-made satellite travels about a certain height,it can keep g___ round the atmosphere,anf there is n____ to slow it down.If it travels lower than that,it will be slowed down so much that it will fall to the Earth.
初三英语首字母填空Since t_____ of millions of years,the moon has been
thousands,much,fall ,so,keep,going,nothing