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This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. Theres a Native American site in Ohio that appeared to be a fort. But recent discoveries by archaeologists at the University of Cincinnati show thats n
47. You are not the unlucky one W: How unlucky today! I was scolded by the boss again. M: You are not the only unlucky one. W: Were you too? M: Why are you so angry? W: My wallet is lost. M: You are not the only unlucky one. 348. I am too stupid W: Y
I use it when I think its appropriate When I have an object that carries data and some methods to manipulate the data, thats OK. 只有当我认为是适当的时候我才会使用它。当我有一个带数据以及操控数据方法的目标的时侯
听力题目: 11. (A). They were going to see the snakes. (B). They went to get something to eat. (C). They usually like to study together. (D). They had to buy some sneakers. 12. (A). It only took me an hour to come to a conclusion. (B). I didnt h
听力题目: 11. (A). They were going to see the snakes. (B). They went to get something to eat. (C). They usually like to study together. (D). They had to buy some sneakers. 12. (A). It only took me an hour to come to a conclusion. (B). I didnt h