下列属于工业革命所带来的影响的一组选项是( )
①实现了人类生产方式的变革 ②社会日益分裂为两大直接对立阶级 ③人类进入了“钢铁时代” ④证明资本主义制度优越于封建制度
A:①②③
B:②③④
C:①③④
D:①②④
She had no money ________ a birthday present for her children.
37+45=____
Officials from China and France formally promised on Thursday to build a new type of economic partnership, while ________ business cooperation.
世界上没有指纹完全一样的两个人,这体现了生物多样性中的( )