题目内容：

John Snow was a famous doctor in London-so1.,indeed,that he2.Queen Victoria as her personal physician. But he became3.when he thought about helping ordinary people4.to cholera.This was the deadly disease of its day.Neither its cause nor its5.was understood.So many thousands of terrified people died every time there was an outbreak.John Snow wanted to face the challenge and solve this problem.

First there was England.Wales was6.to it in the thirteenth century.Now when people7.to England you find Wales8.as well.Next England and Wales were joined to Scotland in the seventeenth century and the name was changed to "Great Britain".Happily this was accomplished without9.when King James of Scotland became King of England and Wales as well.Finally the English government tried in the early twentieth century to form the United Kingdom by getting Ireland10.in the same peaceful way.