相关课文:《奇怪的大石头》(人教版小学《语文》三年级上册)“这么重的大石头从天上掉下来,力量一定非常大,它应该把草地砸一个很深很深的大坑……”在地球近46亿年的漫长岁月中,到访的大小陨石数不胜数。这些天外来客随着时光的流逝或许已不复存在,但那些留存至今的巨大陨石坑,却如一幅幅气势恢宏的画作,讲述着昔日天地大冲撞那惊心动魄 Related text: “Strange boulder” (PEP “Language” Grade 3) “Such a heavy rock fell from the sky, the power must be very large, it should hit a deep grass deep deep Pit ... ”In the long years of nearly 4.6 billion years of earth, the size of the meteorite visited countless. These days visitors may no longer exist as the passage of time, but the huge craters that have survived to this day are magnificent portrayals of the thrilling universe of the past