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文件名称：大学英语答案
文件大小：618KB
文件格式：DOC
更新时间：2016-03-19 08:11:54
大学 英语
1) insert 2) on occasion 3) investigate 4) In retrospect 5) initial 6) phenomena
7) attached 8) make up for 9) is awaiting 10) not…in the least 11) promote 12) emerged
2. 1) There is a striking contrast between the standards of living in the north of the country and the south.
2) Natural fiber is said to be superior to synthetic fiber.