意大利米兰世博会于今年5月1日开幕，这个拥有悠久历史和辉煌文明的国家。在欧洲进入近代社会的转型时期展现了无尽的魅力。这一时期该国涌现的文化“巨人”有（   ）

①但丁    ②伏尔泰   ③达•芬奇    ④牛顿

    Tom always can't sleep well at night. But he was never late for work. He went to see his doctor on Sunday afternoon. He took the subway to get there. He met his boss on the subway and they talked for a while.

    Tom got some sleeping pills from the doctor. That night Tom took the pills. He had a nice sleep. He went to work happily on foot in the morning. Getting into the office, he said to his boss “I had a nice sleep and got up happily this morning.” “That's fine,” shouted the boss, “but where were you on Monday?”

单位换算：

72km/h= ____　m/s；15m/s= ____　km/h；4.5m= ____　 μm．

2007年5月30日，《重庆青年报》报道：北京市第一中级人民法院29日上午对中国国家食品药品监督管理局原局长郑筱萸案作出一审判决，以受贿罪判处郑筱萸死刑，剥夺政治权利终身，没收个人全部财产。郑筱萸被依法判处死刑说明（  ）
①每个人都有行动自由，但自由必须以不损害他人、集体的和社会的权利和自由为前提
②任何人在享有权利的同时，必须同时承担相应的义务
③作为公民，应为自己的行为承担法律、道德的责任
④在社会生活中，无论从事什么职业，具有什么身份，法律都一视同仁。