Li Guoan is a typical example of dedication. He is the head of the Beijing Military Region Water Supply Corps. The two words on his lips are: "A cadre must be worthy of the party and the people", and a cadre must be worthy of the troops and the soldiers. "He dug wells for the troops and the people, turned the 800-mile border defense into a great steel wall with water, and made important contributions to the reform and opening up in Inner Mongolia. He is willing to turn his life into a clear spring. For many years, he neglected his family. Li Guoan said: "I deeply understand that there is no home without a country. Although he has paid a lot, he has no regrets. Li Guoan's deeds reflect a soldier's selfless dedication, and at the same time reveal his strong love for the motherland. In May 2006, Shenyang ushered in the world-famous 2006 China Shenyang World Horticultural Exposition. At the opening moment of this world-renowned solemn event, students from colleges and universities in Shenyang have devoted great enthusiasm and all their efforts to the "Youth World Expo Volunteer Shenyang" organized by the Communist Youth League Committee and the Municipal Youth Volunteers Association, and have become a beautiful landscape of the World Expo with sincere service and gentle words. With these enthusiastic and energetic students, the Expo will be more beautiful. They will only contribute selflessly to their hometown, regardless of remuneration. [Applicable topics] The materials are suitable for topics such as "love" and "dedication". (Historical figure) Take the heart of Dan, according to the first year of the history of Deyou, Mongolian fighters were like Lin 'an, destroying everything. Wen Tianxiang, then governor of Ganzhou, led troops and spent all his military expenses. His friend advised him: "You should use this rabble of more than 10,000 people to resist the three armed forces of the Yuan Dynasty, which is different from chasing sheep and killing tigers." Wen Tianxiang said: "What I hate most is that once the country is in an emergency, it recruits troops from all over the world, and no one rides into the customs. The reason why I overreached and prepared to generalize is to make loyal ministers and benevolent people in the world rise up in the news. It is possible to save the country if the righteous and the righteous seek to establish themselves and many people work hard. " However, after years of hard resistance, Wen Tianxiang was defeated and captured. Zhang Hongfan, the general of the Yuan Dynasty, forced him to write a letter asking for Zhang Shijie, and Zhang Shijie continued to resist in Jianshan. He resolutely refused. Kublai Khan, the emperor of the Yuan Dynasty, hoped to persuade Wen Tianxiang to fight against the Song Dynasty. He called Wen Tianxiang to the temple and said to Wen Tianxiang, "If you can treat me like you did in the Song Dynasty, I will immediately make you a prime minister." Wen Tianxiang said, "I, Wen Tianxiang, am the prime minister of the top scholar in the Song Dynasty. Song Wu, I can only die, not live. " Kublai Khan added: "If you are not a prime minister, you are a council member." Wen Tianxiang proudly replied, "Nothing can be done except death." Wen Tianxiang died calmly at the age of 47. His heroic heart will remain in history forever. [Guidance] When the country is in trouble, Wen Tianxiang privately ignores its own interests and spends all it has as military expenditure; After his arrest, he was not moved by the high-ranking officials promised by the enemy, but resolutely dedicated his precious life and composed a song of justice. [Applicable topics] The materials are suitable for topics such as "love", "dedication" and "country". The style of a scientist? Bauer, a dedicated scientist? Hearst is an American scientist who studies snake venom. When he was a child, he saw that thousands of people in the world were killed by poisonous snakes every year, and he decided to develop an antivenom. From the age of 15, he injected himself with a small amount of poisonous snake glands, and gradually increased the dose and toxicity. This experiment is extremely dangerous and painful. Every time he is injected, he will be seriously ill. The snake venom of various snakes has different components and different modes of action. Every time a new kind of snake venom is injected, the original anti-venom substance will not be competent and will be tortured by the new anti-venom substance. He was injected with 28 kinds of snake venom. After a dangerous and painful experiment, I finally got something. He was bitten by a poisonous snake 130 times, and he was safe every time. Hester analyzed the anti-venom substances in his blood and tried some anti-venom drugs, which have treated many people bitten by poisonous snakes. Bauer? When Hester held back the pain and injected toxin into her body, she had put her life and death at risk, but she was bent on saving the lives of people bitten by poisonous snakes. This kind of dedication can not only be summarized by the word "selflessness".