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【Daily Question No. 001】2018.01.01

2018-01-01View Original

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【Daily Question No. 001】01.01.2018 Natural gas is one of the safer gases; it is safer than ( ), and in the event of a leak, it will immediately ( ). Its safety level is high. This question has two parts: A. Air is light; B. Air is heavy; C. It diffuses downward; D. It diffuses upward. The answers are AD. For management reasons, if you need to access content from a few days ago, please go to the summary post below. 2017 Q&A Summary Thread (updates have started) https://bbs.hcbbs.com/thread-1657793-1-1.html 2017 Daily Question Summary Thread (updates have started) https://bbs.hcbbs.com/thread-1657794-1-1.html 2017 Daily Image Summary Thread https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1875160 2017 LNG Version Daily Question List https://bbs.hcbbs.com/forum.php?mod=viewthread&tid=1804162 2016 Q&A Summary Thread (updates completed) https://bbs.hcbbs.com/thread-1597792-1-1.html

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