题目

The Next North-European Ice Age Global warning doesn’t just mean that the world will slowly get warmer. __16__The latest predictions are that northern Europe could even be thrown into an ice age. While areas of south-eastern Europe, such as Greece, would continue to get hotter and drier, Britain could find itself, in the winter months at least, surrounded by sea ice. __17__This is one of the biggest expanses of ice in the world-around 1,500 Km long and 600 km wide .It is so big that if it all melted(融化). Sea levels would rise by 7 meters, Due to greenhouse gases, the Greenland ice sh实现下列变化需要加入氧化剂的是A.Cl2→Cl－B.H＋→H2C.CO32-→CO2D.CO→CO2