.20122014年英语四级真题及答案1. 选词填空2014年12月Part III Reading Comprehension (40 minutes) Section AFor decades, Americans have taken for granted the XXXX development of new technologies. The innovations(创新)XXXX opment during World War II and afterwards were(36)_ to the prosperity of the nation in the second half of the 20th century. Those innovations, upon which virtually all aspects of(37)_ society now depend, were possible because the United States then(38)_ the world in mathemat
