题目

阅读理解。 阅读下列材料，从A、B、C、D四个选项中选出最佳答案 When you want to go shopping, decide how much money you can spend for new clothes. Think about the kind of clothes you really need. Then look for those clothes on sale. There are labels(标签)inside all new clothes. The labels tell you how to take care of your clothes. The label for a shirt may tell you to wash it in warm water. A sweater label may tell you to wa sh by washing in cold water. The label on a coat may say “dry clan only. ” Washing may ruin(损坏)this coat. If you do as the directions相同条件下将等体积的SO2和Cl2通入品红溶液中，产生的现象是A.逐渐变为无色B.逐渐变为白色C.迅速褪色D.不褪色