根据实验目的和实验原理选择恰当的实验材料、用具，是保证实验获得可靠结果的关键因素之一，下列实验选用的材料，用具合适的是（　　）

    Beijing Opera roles require performers to paint ____( they) faces in patterns and colours to suggest different character types and____(quality).

    In Beijing Opera, facial painting can be quite complex(复杂的). However, in the ____(begin), only three colours____(use)-red, white and black. Now, many other colours, such ____yellow, purple, blue and green, are used for facial painting.

    Red is a colour for____(brave) and loyalty. Guan Yu, a general from the Three Kingdoms Period(AD 220-280) is a good example of this kind of character. He is famous ____being very loyal to his emperor, Liu bei.

    White means all____is bad in human nature. One of the typical white-faced characters is Cao Cao, a____ (power) and cruel prime minister from the Three Kingdoms Period.

    Black face paint is ____(usual) used for someone who is fierce and violent. One typical example is General Zhang Fei from the classic novel, The Romance of the Three Kingdoms.

    All these different colours are used in Beijing Opera facial painting to show a clear picture of each character.

“天之亡我，我何渡为？”项羽说完这句话后在乌江边自刎而亡。唐朝诗人杜牧为此蹉叹：“江东子弟多才俊，卷土重来未可知。”宋朝政治家王安石则认为：“江东子弟今虽在，肯与君王卷土来？”可见：（    ）

①主体对客体的认识具有主动性和选择性

②主体对客体的认识的真理性取决于主体本身

③不同主体对同一客体的认识具有同样的真理性

④主体对客体的认识受主体的知识、情感和价值观的影响

2014年2月，十二届全国人大常委会第七次会议决定，将9月3日确定为中国人民      纪念日，把12月13日设立为       死难者国家公祭日。