1.These are some great scientific achievements that have changed the world.(WARMING UP)这些是曾经令世界改变的巨大科学成就。(1)scientific的用法①scientific是形容词,意为“科学的”、“科学上的”或“符合科学规律的”。The scientific methods include conducting experiments and recording and checking the results.科学方法包括进行实验、作记录和检查结果。②scientific没有比较级形式,是定语形容词,在句中只用作定语。We should work with scientific instruments.我们应该用科学仪器来工作。We succeeded in our scientific experiment in the end.我们终于在科学实验中取得了成功。(2)achievement的用法achievement是动词achieve的名词形式,通常用作可数名词,常用复数形式,意为“功绩”或“成就”。He is proud of his scientific achievements.他为他所取得的科学成就感到自豪。...