根据句意,选择相关的图片填空。
1. Benjamin Franklin flew a kite during a storm. He invented it to protect buildings from lightning safely.
2. The Wright Brothers learnt from practising and never lost hope. At last they finished the first successful flight.
3. Zhang Heng spent years studying the sky and the earth. He drew China's first star map and invented the first one.
4. Spencer Silver and Arthur Fry thought the glue was perfect for sticking notes to books.

1. A
2. D
3. B
4. C

我们可以根据每句描述的人物事迹和发明，匹配对应的图片：
1. 句子描述本杰明·富兰克林发明了保护建筑免受雷击的避雷针，对应标注为Lightning Rod的图片A。
2. 句子描述莱特兄弟完成了首次成功的飞行，发明了飞机，对应标注为Airplane的图片D。
3. 句子描述张衡研究天地，发明了地动仪，对应标注为Earthquake Detector的图片B。
4. 句子描述可以粘贴在书上的便利贴相关发明，对应标注为Post-it Note的图片C。