单词拼写：根据课文内容填写恰当的单词。
1. John Snow was a famous doctor in London and he attended Queen Victoria as her personal p_____.
2. So many t_____ of terrified people died every time there was a break.
3. The cholera outbreak was so s_____ that more than 500 people died in ten days.
4. John Snow suggested that the source of all the water supplies be e_____.
5. With this extra evidence John Snow was able to a_____with certainty that polluted water carried the virus.
6. Now when people refer to England you find Wales i_____ as well.
7. However, the s_____ part of Ireland was unwilling and break away to form its own government.
8. England is the largest of the four countries, and for c_____ it is divided roughly into three zones.
9. The first i_____, the Romans, left their towns and roads.
10. You must keep your eyes open if you are going to make your trip to the United Kingdom enjoyable and
w_____.