暑假即将来临，某校学生会打算在假期举行为贫困地区和受灾地区的孩子们奉献爱心的活动。请你用英语写一封倡议书，号召同学们用力所能及的方式伸出援助之手，奉献自己的爱心。
要求：
1、文中应包含：至少两种帮助方式：这样做的目的和意义。
2、字数80～800；短文的开头已给出，不计入总词数。
Dear schoolmates,
While we are sitting in our bright classroom, remember there are lots of children in the poor and disaster areas needing our help badly. Summer vacation is coming. Let’s do something to help them.
As students, ___________________________________________________________________
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Student’s Union
June 13, 2008