2014
高考英语全程复习方略素质与能力提升演练：新人教版选修6u4（答案）选修6 unit 4 ⅰ. 单词拼写 1. there are large __________ (数量) of rain in the area of the country every summer. 2. scientists have many theories about how the universe first came into __________ (存在)． 3. a rainbow is a natural __________ (现象) especially after a heavy rain.
