Dear Sir or Madam，

　　I’m a student from Chongqing，China.Today I am writing to you to ask for your help to improve the situation the finless porpoise is faced with in the Yangtze River.

　　Because of the behavior of our human beings，the finless porpoise in the Yangtze River has been greatly influenced and will be endangered.① According to the report，its total number is less than 1,000 now.② In order to prevent them from dying out，we have founded a project，but we have difficulty in running it for lack of fund.

　　If you would like to help，you can provide it with necessary money.Besides，you can give us relevant training in protecting them.With your help，we believe we can improve the living environment of the finless porpoise soon，thus increasing its number.③

　　If we can get you help，we will be very thankful.④ We’re looking forward to your early reply.

　　Yours sincerely，

　　Li Hua

　　思维发散

　　1．用定语从句合并第①、②两句

　　As is reported，the finless porpoise in the Yangtze River，whose total number has been reduced to less than 1,000，has become endangered due to human activities.

　　2．仿照第③句用现在分词作结果状语完成句子

　　More children in Beijing will reach school age next year，creating a shortage of primary school teachers in the capital.

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