【单选题】Contrary to popular belief, 'falling stars' are not stars at all, but are meteors, solid bodies that travel through space. Meteors,【C1】______ in size from that of a pinhead, to many tons, are 【C2】____...
【单选题】Contrary to popular belief, 'falling stars' are not stars at all, but are meteors, solid bodies that travel throng space. Meteor, ranging in size from that of a pinhead, to many tons, are visible to t...