题目

第二节 完型填空（共20小题；每小题1.5分，共30分） 阅读下面短文，掌握其大意，从每题所给的A、B、C、D四个选项中，选出最佳选项，并在答题卡上将该项涂黑。        As a young man, Al was a skilled artist．He had a wife and two fine sons．One night, his  oldest son developed a severe stomachache．Thinking it was only some   36   intestinal （肠内的）disorder, neither Al nor his wife took the condition very seriously．But the boy   37   suddenly that night．        Knowing the death could have been   38 �除去下列物质中所含少量杂质(括号内为杂质)，所选用的试剂和分离方法能达到实验目的是 混合物试剂分离方法 A苯（苯酚）NaOH溶液分液 B甲烷（乙烯）KMnO4溶液洗气 C乙酸乙酯（乙酸）NaOH溶液蒸馏 D溴苯(溴)苯、铁粉过滤