When a body enters the earth’s atmosphere,it travels__

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• When a body enters the earth’s atmosphere,it travels__
• 英语翻译The year is 2094 It has been announced that a comet is heading towards theEarth.Most of it will miss our plant,but two pieces will probably hit the southen half of the EarthOn 17July,a piece four kilometers wide enters the Earth"s atmosphere with a massive explosion.About half of the piece is destroyed,but the remaining part hits the South Atlantic at 200 times the speed of sound .The sea boils and a huge hole is made in the sea bed.Huge waves are
• when a boby enters the earth's atmosphere,it reavels _____
• 英语翻译When a body enters the earth’s atmosphere,it travels ______.a.in a rapid manner b.fastly c.with great speed d.very rapidly
• 英语翻译Eclipses In astronomy,partial or total obscuring of one heavenly body by the shadow of another is called an eclipse.Best known are the lunar eclipses,which occur when the earth blocks the sun's light from the moon,and solar eclipses,occurring when the moon blocks the sun's light from a small portion of the earth.
• 已知梯形的两底分别为a,b,则连接两腰的三等分点且平行于两底的线段长为( )
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