Ⅰ.阅读判断
判断以下句子提供的信息是正确，还是错误，还是没有提及。
1．In the early 19th century，millions of people died from cholera.
A．Right. B．Wrong. C．Not mentioned.
2．Snow thought that cholera was caused by an infection from germs in food or water.
A．Right. B．Wrong. C．Not mentioned.
3．The people worked in the pub at 7 Cambridge Street all died from cholera.
A．Right. B．Wrong. C．Not mentioned.
4．Some scientists strongly advised Snow to have the handle of the pump removed.
A．Right. B．Wrong. C．Not mentioned.
5．Snow is the first one to use maps and statistics to study diseases.
A．Right. B．Wrong. C．Not mentioned.
[答案] 1－5 AABCA
