1 . Franklin, along with many other scientists, has inspired us and taught us that scientific experiments are important in order to ________ ________ ________(推定真理) and to contribute towards later scientific discoveries and inventions. （根据汉语提示完成句子）

2 . This insight grew from the determined attitude of a six-year-old boy who had the courage and perseverance to ________ his dream ________ ________ (实现). （根据汉语提示完成句子）

3 . Some have even questioned the story about the apple that fell on Newton's head and led him to ______ ______ ______ (想出、提出) his theory of gravity. （根据汉语提示完成句子）

4 . The beauty of the West Lake ________ a lot of poets ________ write their great poetry.
西湖美景给了许多诗人灵感而创造出他们伟大的诗篇。