请分析实验1数据（25℃时海带腐烂，所以生长率为负值），回答（1）﹣（3）题：

⑴How do you go to school?____                            A、It's next to the hospital.

⑵What does she do?____                                        B、I get up at 7:20.

⑶Where is the cinema, please?____                        C、Because I can plant trees.

⑷When do you get up?____                                    D、Ten Yuan.

⑸Why do you like spring?____                                E、I go to school on foot.

⑹How much is the book?____                                 F、He likes dancing.

⑺What are you going to do tomorrow?____          G、She is a doctor.

⑻What's your hobby?____                                       H、I like reading books.

⑼What does Mike like?____                                     I、No, there isn't.

⑽Is there a cinema near here?____                          J、I'm going to go hiking.

在“用单摆测定重力加速度”的实验中，

改革和创新是一个民族前进的不竭动力，中国为实现强国之梦进行了积极的探索。阅读下列材料，回答问题。

材料一   1978年以来，每一次三中全会都是一次改革的历史航标。每一次的改革都使中国站在了新的历史起点上......－－人民日报社论

材料二   “一九七九年，那是一个春天，有一位老人在中国的南海边画了一个圈。神秘般崛起座座城，奇迹般聚起座座金山......”－－歌曲《春天的故事》

材料三   “现在的世界是开放的世界”，“经验证明，关起门来搞建设是不能成功的，中国的发展离不开世界”。－－《邓小平文选》第3卷第78页