Dear God,

    Now that I am no longer young. I have friends whose mothers have passed away. I have heard these sons and daughters say they never fully thanked their mothers until it was too late to tell them.

    I am blessed with the dear mother who is still alive. I appreciate her devotion more each day. My mother does not change, but I do. As I grow older and wiser, I realize what an extraordinary person she is. It's sad that I am unable to say these words in her presence, but they flow easily from my pen.

    How does a daughter begin to thank her mother for life itself? For the love, patience and just plain hard work that go into raising a child? For running after a toddler（学步儿童）, for understanding a moody teenager, and for tolerating a college student who knows everything? For wailing for the day when the daughter realizes what her mother really is?

    How does a grown woman thank a mother for continuing to be a mother? For being ready with advice when asked or remaining silent when it is needed? For not saying “I told you so.” when she could have voiced these words dozens of times? For being essentially herself－loving, thoughtful, patient and forgiving?

    I don't know how to thank her, dear God, except to bless her and live up to the example she has set. I pray that I will look as good in the eyes of my children as my mother looks in mine.

①生产决定消费的质量和水平

②生产方式的变革推动消费观念的更新

③消费对生产的调整和升级起到导向作用

④消费量的增加带来了产品质量和科技的创新

太平天国的下列举措中，最能体现时代发展潮流的是