Ⅰ.选词填空(有两词多余)
civilization， revolution， origin， relic， remains， era， period， prehistoric， heritage， aggression
1．In 1998, the Summer Palace was formally included in the UNESCO “World Heritage List”．
2．The invention of the computer marked the beginning of a new era in human history.
3．I will stay in Beijing for a meeting for a period of 4 days.
4．In old days, in China cultural relics protection was almost nonexistent.
5．Some prehistoric people mainly lived in caves.
6．In the history of Chinese civilization, the ancient Chinese made great contributions to the development of the world.
7．We were deeply sad when we visited the remains of Yuanmingyuan.
8．One must not forget his origin, now that he is appointed to the leading post.
