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换灭火器的配置数量应按照现行国家标准《建筑灭火器配置设计规范)cm04205的有关规定经计算确定,且每个场所的灭火器不应少于（)
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A慕尼黑惨案
B奥运惨案
C黑色九月
D黑色奥运
毛泽东发表的《实践论》、《矛盾论》的主要内容是什么？
from the hacks is indeed a tough reality, shutting down the site is not the answer. If my shut down, another site would place. Therefore, the right way is to teach teens how to use the site safely and educate them .One of the good way is to change the privacy setting on your profile to “private” actually post their home and school addresses, date of birth, and so on, often predators know exactly where they will be The most information that is safe is your first name and province. Anything more is basically life.Another big problem is photos. I suggest skipping photos and never posting a photo of a friend online without his or her how well you think you know this person. There are no guarantees that they have told the truth.
出席中国共产党第一次全国代表大会的代表有多少人，分别是谁？
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