题目

目前我们所学的化学人教版必修一教材第二章第三节的内容是（ ） A . 化学实验基本方法 B . 物质的分类 C . 离子反应 D . 氧化还原反应 答案：D听第二段对话，回答第13〜15小题。13. Where are the boy and the woman talking?   A. In the school. B. In a shop.   C. At the doctor's.14. What's wrong with the boy?   A. He has an accident.   B. He falls off the bike.   C. He has a cold.15. What's the boy going to do tomorrow?   A. Stay at home. B. Have a test.   C. Have a picnic.