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问题与情境2007年10月24日18时05分,搭载着我国首颗探月卫星——“嫦娥”一号的“长征”三号甲运载火箭在西昌卫星发射中心3号塔架点火发射,举国欢庆.这时某中学学生小灵通想知道本班50名同学对这次探月活动的关注程度,通过调查问卷了解到一共有35人观看了“嫦娥”一号升空的过程,并且在积极关注着进程,另有12人知道这件事情,还有3个人表示没听说过.数学老师知道他作了这样的调查后让他用统计图来表示调查结果,他想:这还不简单吗?很快就制作好了统计图,如图1.
Problems and Situations At 1805 hours on October 24, 2007, China’s first moon exploration satellite, the “Long March” 3rd A carrier rocket, was used at Xichang Satellite Launch Center No. 3 Ignition was launched and the whole country celebrated. At this time, a middle school student, PHS, wanted to know the 50 students in this class who paid attention to this lunar exploration activity. Through questionnaires, 35 people were able to watch the “嫦娥” number one. The process of ascent, and actively watching the process, another 12 people know this matter, there are 3 people said they have not heard of. Math teacher knows that he made such a survey, let him use the chart to represent the survey results He thought: Isn’t that simple? The chart was soon made, as shown in Figure 1.