【Daily Question No. 024】2017.07.31
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【Daily Question No. 024】July 31, 2017: Explosions can be classified according to their causes and nature as ( ). ①Physical explosion ② Nuclear explosion ③ Liquid-phase explosion ④ Chemical explosion A、①②③ B、②③④ C、①③④ D、①②④ Reply* to see the reference answer; points can be earned by identifying the key points. Fourth: Petrochemical Zone – “Creative Ideas for Energy Savings” event (the second phase is currently in full swing): http://bbs.hcbbs.com/thread-1666758-1-1.html (Source: Haichuan Chemical Industry Forum)
D Physical explosions, chemical explosions, nuclear explosions