【Daily Question】Sulfur Technical Edition, July 7, 2017

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This post was last edited by Green Lotus on 2017-7-9 at 11:39. To increase the popularity of this section, a daily quiz activity has been launched; the goal of this activity 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, they can also easily bring wealth home :) . Participation: Prize of 5 Wealth ； Correct answer: Reward of 10 wealth points ； Note: Questions from the same day will receive full feedback if answered on the same day; answers given the next day will earn 5-8 wealth points. This post is valid for 48 hours. http://bbs.hcbbs.com/static/image/hrline/5.gif Multiple-choice question: Which of the following tasks does not fall under the preparations for starting up the sulfur unit? (　　) A. Purging the pipeline for airtightness B. Introducing gas into the liquid separation tank C. Loading the catalyst D. Introducing utility services Answer: B