题目

第二节 完形填空（共20小题；每小题1.5分，满分30分） 阅读下列短文，从每小题的A、B、C、D四个选项中选出可以填入空白处的最佳选项。Years ago a John Hopkin’s professor gave a group of graduate students this task: Go to the slums（平民窟）. 31 200 boys, between the ages of 12 and 16, and 32 their background and environment. Then predict their 33 for the future.The students, after 34 social statistics, talking to the boys, and collecting much data, 35 that 90 percent of the boy would spend some time in 36 .Twenty-five years later anotIn the words homeless and useless, the -less means ______.A. be full of B. without C. very D. can B 【解析】句意：在单词homeless和useless中，（后缀）-less的意思是 。考查构词法。根据构词法，后缀-less表示否定；根据句意语境，可知without符合句意，故选B。