豌豆的红花对白花是显性,长花粉对圆花粉是显性。现有红花长花粉与白花圆花粉植株杂交,F1都是红花长花粉。若F1自交获得200株F2植株,其中白花圆花粉个体为32株,则F2中杂合的红花圆花粉植株所占比例是() ["7%","8%","9%","10%"]
举止和态度
人流后出现心率小于每分钟50次时宜() ["静注速尿","静注止血敏","静注阿托品","静注利多卡因","静注西地兰"]
肝气郁结型经行情志异常的主症错误的是() ["不思饮食","胸闷胁胀","舌红苔黄,脉滑数","抑郁不乐","烦躁易怒"]
自我介绍
影响创伤愈合的因素?