SummarizationRead each of the following short paragraphs and complete the phrase or sentence that expresses the main idea of the paragraph. The first letter of the missing word is given be fore the blank.Paragraph 3.Bloated by melting snow and rain across the Upper Midwest, the Mississippi River rose out of its banks and strained against dikes. Hundreds of people had left their homes in low-lying riverside areas of Wisconsin and Iowa. A 403-mile stretch of the Mississippi from Muscatine, Iowa, to Minneapolis was closed to boat and barge traffic.3.Mississippi River f______in Upper Midwest.
【正确答案】：floods
【题目解析】：P220
