湛江雅思培训：雅思7 Test1 Reading One19

19.定位词：explanation,reduced

文中对应点：G段第一句

题目解析：What explains this remarkable turn of events?

此句中的turn of events指的就是F段中提到的And in a few parts of the world，demand has actually fallen.水需求量下降一事。所以答案是选择ii。如果考生把F段和G段连起来看的话，会发现选项的逻辑连贯性。

ix: a surprising downward trend in demand for water

ii :an explanation for reduced water use