[解析]
(1)D.细节理解题。根据第一段I am writing to request help in reaching my goal of 92 acts of kindness ﹣ one for every year of her life.我写这封信是为了请求帮助我实现92件善事的目标—在她一生中每年一件。可知,作者的祖母在92岁高龄时去世。故选D。
(2)B.细节理解题。根据第二段I am asking for those of you who are willing...would you please do an act of kindness in my grandmother's name?It doesn't have to be big.Just a small act of love.我在请求你们中那些愿意的人……请你们以我祖母的名义做一件善事好吗?不必太大。只是一件小小的爱的行为。可知,作者请求大家以她的祖母的名义做好事。故选B。
(3)C.推理判断题。根据最后一段You cannot do a kindness too soon,for you never know how soon it will be too late.你要尽早做善事,因为你永远不知道会有多快就太迟了。可知,作者提到这句话是为了呼吁人们尽早做好事。故选C。
(4)C.写作目的题。根据第一段最后一句.I am writing to request help in reaching my goal of 92 acts of kindness ﹣ one for every year of her life.我写这封信是为了请求帮助我实现92件善事的目标—在她一生中每年一件。可知,作者写作目的是为了让网友帮助她共同实现做92件好事的愿望。结合选项:A.To contribute a big act of kindness."做一件大善事";B.To honor her grandmother."为了纪念她的祖母";C.To get help to realize her dream."为了得到帮助来实现她的梦想";D.To share this community's updates."共享此社区的更新"。故选C。