这句话改错：The orbit of a celestial body is usually in the shape of ellipse.为什么是of ellipse 错

这句话改错：The orbit of a celestial body is usually in the shape of ellipse.为什么是of ellipse 错 谢谢make a completed orbit of the earthOnce every 103 minutes the satellite makes a completed orbit of the earth.是改错的一句,completed是不是有问题,of 要改为for吗? Time orbit we ever just one solitude of the subway 这句话的ever 用的对吗 旧托福一道选错题,The orbit of a celestial body is usually in the shape of ellipse.A.orbit B.bodyC.usuallyD.of ellipse为什么. is this orbit tower will be the torch platform 这句话对吗 In one model of the hydrogen atom,the electron revolves in a circular orbit around the proton with a speed of 2.0106m/s.Determine the radius of the electron's orbit. In one model of the hydrogen atom,the electron revolves in a circular orbit around the proton with a speed of 2.0106m/s.Determine the radius of the electron's orbit. Time orbit we just one solitude of the subway. The spacecraft is spinning out of orbit请翻译 Time orbit we just one solitde of the subTime orbit we just one solitde of the subway orbit the Earth 14 No.1 high school is the best one of the three.这句话求改错! one-third of the world's population are starving 给这句话改错 It takes a satellite 1.76 h to revolve around an unknown asteroid in a circular orbit of radius 540 km.How long it will take an object without initial speed to reach surface of the asteroid from this orbit?The radius of the asteroid is very much smal 英语翻译Venus,of all the planets,has the most nearly circular orbit.（这句话我懂得不需要翻译)Follow its place in the sky for almost exactly eight years,marking its retrograde conjunctions with the Sun,and those five conjunctions sketc per cent 和percent 的区别?because the moon has only an eightieth of the earth's mass,it require97 per cent less energy to travel the quarter of a million miles from the moon to earth-orbit than the 200 mile-journey from earth's surface into orbit The green mountain is a lot of more beatiful against the sky .这句话哪错了 ,这是个改错题,我的答案是：1 ：of 去掉,2：against 改为 than . he will reach to Beijing tomorrow.改错 下面还有 英语牛人团的进!the shenzhou V spacecraft orbit the Earth fourteen times.对划线部分 提问.(fourteen,为画线的） ( ) ( ) ( ) ( ) the shenzhou V spacecraft orbit the Earth .还有一