英语缺词填空Since t__________ of millions of years the moon has be

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英语缺词填空Since t__________ of millions of years the moon has been going round the earth.A_____
Since t__________ of millions of years the moon has been going round the earth.A_____ this time.The moon was the only satellite(卫星)of the e_______.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______ them from doing this.As a result,they travel in an orbit(轨道)round the earth.
If a man-made satellite travels about a certain height,it can keep g_________ round the atmosphere(大气),and there is n________ to slow it down.If it travels lower than that,it will be slowed down so m_____ that it will fall to the earth.

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英语缺词填空Since t__________ of millions of years the moon has be 初三英语首字母填空Since t_____ of millions of years,the moon has been The moon is millions of years old对millions画线提问 The worst drought in 60 years has left millions of people in since 1970,millions of enthusiasts___vitamin C,which they be The war went on for years,( ) millions of people Dinosaurs existed in the world millions of years ago. 英语millions of Millions and millions of years ago,the world was much warmer the _____action film has attracted millions of young people this magazine has millions of r____ all over the world The moon is____of years old.A.million B.millions