Question

【题目】It seemed that the water led to cholera．John Snow looked into the source of the water for these two streets．He found that it came from the river, 【1】 had been polluted by the dirty water from London．Immediately John Snow told the astonished people in Broad Street to remove the handle from the water pump so it could not be used．Soon the disease began to slow 【2】 ．

John Snow had shown that cholera was spread by germs and not in a cloud of gas． 【3】___ addition, he found two other deaths in another part of London that were concerned with the Broad Street outbreak．A woman, who had moved away from Broad Street, liked the water so much that she had had it delivered from the pump to her house every day．

Answer 1

【答案】

【1】which

【2】down

【3】In

【解析】

试题分析：

【1】考查定语从句连接词。本句为非限制性定语从句。横线处所需要的连接词要代指上文出现的river,满足这一条件的是 which.句意为：他发现水来自于河流，而河流却被来自伦敦的脏水所污染了。

【2】考查动词短语。根据前文John Snow知道霍乱是由水引起的，故他要求不许喝水，那么，疾病的爆发自然会减慢下来。故填down，构成短语：slow down，意为减慢，减缓。

【3】考查固定搭配。本句考查固定搭配：in addition，意为：除此之外。句意为：除此之外，他还在伦敦的另外一个地方发现了另两起死亡案例。