【单选题】根据植物梢端组织发生层学说,如果 L I 层细胞发生突变,则下列器官或组织会发生变异的是:( )
【简答题】f) You want to organise a party for someone, but you don’t want to tell them about it in advance.
【单选题】--What do you want to tell me, Jane? --______ I want to tell you is the deep love and respect for my mother.
【单选题】为了坚持和加强党的领导,必须改善党的领导,这意味着()。