1 . 假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10个错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。
增加:在缺词处加一个漏字符号(∧)，并在其下面写出该加的词。
删除:把多余的词用斜线(\)划掉。
修改:在错的词下划一横线，并在该词下面写出修改后的词。
注意:1.每处错误及其修改均仅限一词;
2.只允许修改10处，多者(从第11处起)不计分。

Since the digging of No.3 to No.8 sites begin in October last year, about 500 pieces of relics (文物) have been found at Sanxingdui Ruins in southwest China Sichuan Province. The relics, discovered at six new sites, include the golden masks. Many of them are unique shaped. The new finds have brought the total amount of the relics discovered at the ruins to nearly 2,000. The discoveries has shown that ancient China is far more developed we have expected.

Sanxingdui was discovered in the early twenty century. It has been considering as one of the greatest archaeological (考古的) wonder in the world.