【单选题】Recently a number of cases have been reported of young children ______ a violent act preciously seen on television.
【单选题】Recently a number of cases have been reported of young children iterate a violent act previously seen on television.
【单选题】Recently a number of cases have been reported of young children ______ a violent act previously seen on television.
【单选题】关于胎儿期的特点以下哪项不正确
E.
胚胎前3个月易受各种不利因素影响而导致流产或死胎
【单选题】Recently a number of cases have been reported of young children ______ a violent act previously seen on television.