1 . 假定英语课上老师要求同桌之间交换修改句子, 请你修改你同桌写的以下句子。
文中共有10处语言错误, 每句只有一处错误，且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(＼)划掉。
修改：在错的词下画一横线, 并在该词下面写出修改后的词。
1. He became inspired when he thought about helping ordinary people exposing to cholera.
2. He also noticed that some houses (such as 20 and 21 Broad Street and 8 and 9 Cambridge Street) have had no deaths.
3. Although he had tried to ignore them, all his mathematical calculations led to the same conclusion which the earth was not the center of the solar system.
4. Only if you put the sun there the movements of the other planets in the sky make sense.
5. I have to remind I constantly that I am really in AD 3008.
6. The next day Pingyu was leaving London to Windsor Castle.
7. I realized that I had been transported into the future of where was still my hometown.
8. You have three layers of the skin which acts as a barrier against disease, poisons and the sun’s harmful rays.
9. The skin will turn white when presses.
10. It is no doubt that John’s quick thinking and the first aid skills he learned at school saved Ms Slade’s life.