吉林市2014
高考英语阅读理解精英训练精品题(16)及答案《深圳市2014高考英语综合能力测
试题(2)》d for centuries, polar bears have enjoyed arctic waters by themselves. but now, they are getting company in summer. last summer, china sent its first icebreaker, the snow dragon, over the top of russia, from shanghai t08lceland.