A:lost; fed up with
B:losing; put up with
C:losing; fed up with
D:lost; put up with
蔬菜叶肉细胞与口腔上皮细胞相比,特点是( )
使分式x2x-4有意义的x的取值范围是 ( )
①放弃资本主义自由经济制度 ②国家干预经济的思想形成
③希望依靠社会底层渡过危机 ④开始关注对困难民众的救助