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To increase the popularity of this section, a daily quiz campaign has been launched. The goal of this campaign is: “Learn a little bit every day, and make significant progress over ten days.” I hope everyone will participate actively; by learning and making progress, you can also easily bring wealth home :) . Participation: Prize of 5 Wealth ； Correct answer: Reward of 10 wealth points ； Note: For questions from the same day, full feedback will be given if answered on the same day; answering the next day earns 5-8 wealth points. This post is valid for 48 hours. http://bbs.hcbbs.com/static/image/hrline/1.gif http://bbs.hcbbs.com/static/image/hrline/2.gif Note: The answers will be released automatically after two days. Multiple-choice question: The 50% distillation temperature of gasoline is an indicator that represents the （ ） of gasoline. A. Initiating capability B. Acceleration capability C. Combustion safety Answer: B. Petrochemical sector – Innovative ideas for energy savings: “Creative Thinking” campaign (the second phase is currently in progress) http://bbs.hcbbs.com/thread-1666758-1-1.html 2017: “My Technical Upgrades” in the coal chemical industry http://bbs.hcbbs.com/thread-1786290-1-1.html [Daily Question] Catalytic coking and reforming of petroleum products – Summary post for 2017 http://bbs.hcbbs.com/thread-1811219-1-1.html