【单选题】He is a rare celebrity scientist. He's even had a TV cameo role (小角色) in Star Trek in which he plays poker with scientific icons (偶像)Sir Isaac Newton and Albert Einstein. Yet when asked about comparis...
【简答题】阅读理解一 Goingfor a walk, whether in towns orin the country, is just not apart of the American idea. An English journalist who just walking along theroad in Los Angeles was questioned by the police becau...
【简答题】About ten men in every hundred suffer from colour blindness in some way; women are luckier only about one in two hundred is affected in this manner. There are different forms of colour blindness. A ma...