书面表达。
“母亲节”是一个歌颂母爱的日子，也是一个感恩的日子。假设你是琳琳，给你的外国笔友Susan写封信，说说母亲节你为妈妈做了些什么。
提示词：second Sunday in May,spending money,flowers
要求：1.语句通顺，语法正确；2. 70词左右。
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Dear Susan,
Mother's Day comes on the second Sunday in May each year. On that day this year,with my spending money I bought a pair of rubber gloves and some beautiful flowers for my mother. I told her thal the rubber gloves could protect her hands when she washed dishes and clothes. I also told her that I was very thankful for her great love. My mother kissed me and said I had grown up.
What did you do for your mother on Mother's Day?
Yours ,
Linlin
(The answer is not the only)
2C（g）；△H＜0。某研究小组研究了其他条件不变时，改变某一条件对上述反应的影响，并根据实验数据作出下列关系图