A:生物体代谢旺盛时含量最丰富的物质
B:不发生化学反应
C:生物体各种反应的内环境
D:植物越冬时,自由水含量比例增加
下图分别表示对几种生物体内正在进行分裂的细胞进行观察的结果,有关假设推论正确的是
____(凝视,盯着看)at people is considered rude in Britain and young children will be scolded by their parents if they look too long at another person.