2015高考英语一轮小专题复习 3-4 Astronomy :the science of the stars限时训练Ⅰ.单词拼写根据汉语注释及首字母提示写出下列单词的正确形式。1. With the changes in the world's c______, dinosaurs died feel relaxed. Besides,  can make more friends in swimming. Oh, I could  wait to swim now.