A：分子的质量和体积都很小
B：温度升高，分子的体积变大
C：分子在不停她运动
D：温度越高，分子运动速率越快
When I was sleeping, he talked loudly. He was annoying.
先取甲、乙、丙、丁四种金属粉末，分别投入相同浓度的稀盐酸中，只有甲、乙能产生气体，乙反应更剧烈；再取一小块丁投入丙的硝酸盐溶液中，丁的表面有丙析出。则甲、乙、丙、丁四种金属的活动性顺序为( )
The flood last month in the east was a real disaster，________19 people dead and 78 missing.
与激素失调有关的疾病是( )
