Analysis of test questions: This question examines students' understanding of the historical facts of national defense scientific and technological achievements. According to "Casting the Great Wall of the Republic of China", the eighth lesson of junior high school history in grade eight of Beijing Normal University, the first subtitle in the mushroom cloud of Gobi: "1964, 10 In June, China's first atomic bomb exploded successfully at the Lop Nur nuclear weapons test base in Xinjiang." "In June1966+1October 65438, China successfully conducted a missile nuclear weapon test." "1In June 1967, China successfully exploded the first hydrogen bomb, becoming the fourth country in the world to develop its own hydrogen bomb after the United States, the Soviet Union and Britain." According to "Casting the Great Wall of the Republic", the eighth lesson of junior high school history in grade eight of Beijing Normal University, the third subtitle shows the national prestige by relying on the heavenly sword: "1In June 1964, the first medium-and short-range missile" Dongfeng 2 "developed by China was successfully launched." "1966, 1 In July, the Central Committee of the Communist Party of China and the Central Military Commission made a decision to form a strategic missile force under the direct leadership and command of the Central Military Commission. Together with the later naval submarine strategic missile unit and air force strategic bomber unit, it constitutes China's "Trinity" strategic nuclear force. " We can see the development of national defense science and technology in China from 1956 to 1976.
Comments: This question is less difficult, mainly to examine students' memory of historical facts of national defense science and technology. For this content, we can also examine the time and significance of these national defense technologies.