【简答题】阅读理解。 Ann loves the underground (地铁) in London. She always prefers to travel on the underground because it is fast. She doesn't find it difficult now, as she has got used to (逐渐习惯) it. Ann knows the u...
【简答题】New Ideas Iceland's President Olafur Grimsson is trying to drive carbon dioxide underground to 51 its release into the air. Over the next two years, a team of scientists will try to 52 carbon dioxide-...