In China, Mother’s Day is being more popular, and carnations（康乃馨）are a very popular gift. In 1997 48 was set as the day to help poor mothers, specially to remind people 49_ the poor mothers in rural areas. In the People’s Daily, 50_ article explained that “despite originating in the United States, people in China take the holiday 51 it goes in line with（符合） the country’s traditional ethics（道德标准）—respect to the elderly and filial piety（子女的孝顺）to parents.” In recent years many people began 52 advocate for the official adoption of Mother’s Day 53 memory of Meng Mu, the mother of Meng Zi, and some officials even formed a non-governmental organization called Chinese Mothers’ Festival Promotion Society, with the support 100 Confucian scholars and lecturers of ethics. They also ask to replace the Western gift of carnations with lilies（百合花), 54_, were planted by Chinese mothers 55 children left home in ancient times.it
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(答案→)it
解析：
试题分析：
【小题1】it 本句的it就是指代上文出现的同一名词Mother’s Day.
【小题2】of 固定词组remind sb of sth提醒某人某事。
【小题3】an 名词article是一个可数名词，故使用an对它进行修饰。
【小题4】because/as 上下文是因果关系，中国人接受这个节日是因为他符合中国人的传统。
【小题5】to 固定搭配begin to do sth可数做某事。
【小题6】in 固定短语in memory of纪念…；为了纪念孟母。
【小题7】which 本句是定语从句，which指代先行词lilies在句中做主语。
【小题8】when/whose 本句连用使用定语从句,关系代词whose指代先行词在句中做定语；也可以使用状语从句，用when引导，当孩子离开家的时候。
考点：考查语法填空
点评：要求考生有较强的语法分析能力和很强的词汇运用能力，能根据上下文的语义串联选择合适的语法和词汇完成句子，保持上下文语义的通畅。