(11)倡议书
　　Dear__________,
　　I am writing this letter to call on_________.As some of you may know,________.In face,________.
　　It is necessary for us to________.On the one hand,__________.On the other hand,_________.Hesce, it is high time________.Firstly, we should _____________.Secondly,___________.
　　Please contact us via_________.Please join us in the effort to __________.
　　Thank you for your paiticipation~

Sincerely,
____________

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