今年,是中国共产党建党70周年。回顾70年来党所走过的光辉历程,我们都会高兴地看到,在党的正确领导下,经过全国人民艰苦卓绝的斗争,我们的国家已经由一个半封建半殖民地的旧中国,变成了一个人民当家作主的社会主义新中国,由一个科学技术极为落后的国家,发展成为一个具有一定的科技攻坚能力,并取得了举世瞩目科技成就的国家。新中国成立以后,特别是党的十一届三中全会以后,我国的科技事业取得了飞跃的发展和进步。“两弹一星”的上天,人工合成胰岛素在世界上的首创,北京正负电子对撞机的对撞成功,籼型杂交水稻 This year marks the 70th anniversary of the founding of the Chinese Communist Party. Looking back at the glorious course that the party has passed in the past 70 years, we all will be glad to see that under the correct leadership of the party and after the arduous struggle of the people throughout the country, our country has been transformed from a semi-colonial and semi-colonial Old China into a people The new socialist China headed by its own people, developed by a country that is extremely backward in science and technology, has become a country that has certain scientific and technological breakthrough capability and has made remarkable achievements in science and technology. After the founding of New China, especially after the Third Plenary Session of the 11th CPC Central Committee, China's science and technology undertook rapid development and progress. “Two bombs and one satellite” God, the first synthetic insulin in the world, the Beijing positron-electron collider collided successfully, indica hybrid rice