题目

第三部分  阅读理解（共25小题：第一节每小题2分第二节每小题1分，满分45分） 第一节：阅读下列短文，从每题所给的四个选项（A、B、C、和D）中，选出最佳选项，并在答题卡上将该项涂黑。        One day Mrs. Perry said to her husband, “Jack, there is a meeting of our ladies’ club at Mrs. Young’s house at lunch time today. And I want to go to it. I’ll leave you some food for your lunch. Is that all right?”        “Oh, yes,” her husband answered, “that’s quite all right. What are you going to leave f能用于鉴别SO2与CO2的试剂是A.澄清石灰水B.BaCl2溶液C.品红溶液D.高锰酸钾溶液