下列哪些因素与染色体畸变有关（ ）
A．孕母年龄过大
B．放射线
C．病毒感染
D．化学药物
E．遗传因素
参考答案：A,B,C,D,E
An 18-year-old primagravida tells the nurse that the physician told her that she needed to increase her intake of thiamine (vitamin Bi) in her diet. Which of the following foods should the nurse instruct the client to consume more
A. Milk.B. Rice.C. Asparagus.D. Bee
我国民事诉讼法有很多关于审限的规定，以下错误的是：
A．适用普通程序审理的案件，应当在立案之日起6个月内审结
B．适用简易程序审理的案件，应当在立案之日起3个月内审结
C．审理对裁定的上诉案件，应当在二审立案之日起3个月内内审结
D．适用特别程序审理的案件，应当在立案之日起或公告期满后30日内审结
