2014
高考英语完形填空、短文改错、阅读理解训练（28）及答案 维a 完形填空(每题1.5分，满分30分) 选材相似度：★★★★ 设题相似度：★★★ 难度系数：★★★★ being surrounded by sharks may sound like a bad thing，but scientists say sharks are actually a good sign of ocean health.__1__ knowing that，enric sala，a marine ecologist and national geographic fellow，was a little __2__ when he first dived at
