While her mother was cooking, she ____ ____ ____ a good idea.
阅读下列材料:
“各国(指26国)保证以全部的军事和经济资源,团结一致,彻底打败法西斯轴心国及其追随者……”
请回答:
温度、固液比、反应时间、氯离子浓度都对铜的浸出率有较大的影响,下面是实验得出的这几种因素对铜的浸出率影响的变化曲线图(如图2﹣图5所示)
人类必须控制人口增长的原因包括( )
When she saw an old woman ____ (lie) on the side of the road, she called 120 at once.