3 g镁在氧气中完全燃烧,生成氧化镁的质量是 [ ]
A.12 g
B.10 g
C.8 g
D.5 g
答案:D
She was educated at Beijing University, _____ she went on to have her advanced study abroad. [ ]
A. after which
B. from which
C. from that
D. after that
中国式过马路,是网友对部分国人集体闯红灯现象的一种调侃,即“凑够一撮人就可以走了,和红绿灯无关。”下列对“中国式过马路”正确的理解是()
①社会发展应坚持以人为本,大多数的存在就是合理的
②社会发展需要个人发展,全面提高国民素养势在必行
③要站在最广大人民群众利益的立场上自觉抵制该行为
④价值选择往往因人而异,要承认和尊重彼此的差异性
A.①②
B.②③
C.②④
D.③④