听前提示一、三遍英文，一遍中文，再一遍英文。二、从听懂的词入手，理解句子含义。三、根据中英文意思，听不懂的多听几遍。原文471.It's been a long time since we last saw each other.真是好久不见了！472.I slept a little during lunch break because l was so tired.我在午休时间睡了一会儿，因为我太累了。473.You do your part and I'll do the rest.你做你的部份，其他的我来做。474.The man reading a paper over there is my uncle.在那儿看报纸的男人是我叔叔。475.As soon as the door opened, they ran away.门一开，他们就逃走了。476.We take it for granted that he will succeed in his business.我们认为他的生意肯定会获得成功。477.I don't care what color ink, just bring me a pen.颜色无所谓，给我一支笔就行了。478.The Internet is an invaluable source of information.互联网是一种无法估量的信息资源。479.I don't want to be involved in that matter.我不想被牵扯到这件事里。480.The show was very interesting. You should have seen it.演出真的很有意思，你该去看看的。