托福考试阅读练习题：You’ve Got a Lot of Space between Your Ears.pdf

智 课 网 托 福 备 考 资 料 托福考试阅读练习题 You ve Got a Lot of Space between Your Ears 一直以为我们看到的世界充满了固体 但事实却不然 今天的托福 考试阅读练习材料就要告诉我们关于这个世界的一些其他信息 Sure you think the world is full of solid objects You think the radio you re listening to is solid You think the floor you re standing on or the chair you re sitting in is solid Heck you probably think that you yourself are a solid object Wrong One of the strangest things modern atomic theory has shown us is that what we commonly 1 take to be the world of solid objects is for the most part empty space That s right Even something as reliable as a table a brick a baseball even your body is 2 by and large just empty space Why is that It s because you the baseball and everything else is made up of atoms And atoms themselves are mostly empty space But wait What about the protons and neutrons 3 and stuff Well they re in there but only in the very center That s called the nucleus An atom s nucleus is surrounded by a cloud of orbiting electrons Virtually all the mass of the atom the stuff and not the fluff is in the nucleus And the nucleus is incredibly tiny compared to the overall size of the atom In fact it s about a hundred thousand times smaller It s like 4 a speck of dust floating around inside a cathedral In between the dust speck and the cathedral walls is nothing but space So you are made up of things that are mostly empty space with occasional specks floating in them Does it make you feel kind of empty too Don t worry Every other object in the world from a pebble to 5 Mount Everest is the same way Notes 1 take to be 把 看作是 把 当作是 2 by and large 大体上 总的来说 By and large the work of the news agency is appreciative 一般而论这家新闻社的工作是让人感激的 3 and stuff 等等 诸如此类 My Husband will sometimes help me fold and stuff the envelopes 我的丈夫有时愿意帮助我折叠和塞信封 4 a speck of 一点点 Her hand