2019 江苏 第 20 题 单选题 区分题 2019_江苏卷 (英语) 20. What is the purpose of the scientists’ experiment? A. To keep the birds there for a whole year.B. To help students study the birds well.C. To prevent the birds from being killed. 参考答案C ☆ 收藏不会,直接看解析查看原卷 →