英语作文投诉信有关买了手机总是死机故障

Dear sir/madam
We bought the cellphone from your company several days ago and found that we can not use it because of the malfunction which couses us great inconvient.
Would you please check the cellphone and replace a new one for us or get a refound for this.
I hope you could deal with it as soon as possible.Your prompt reply will be highly appreciated

英语作文 内容：你市举办机器人大赛，来自育才中学的学生荣获第一名，并将参加全国比赛

The Robot Competition had been held in our city and the students from Yu Cai middle school won the prize, as the winners they will attend the National Competition as well. The main purpose of holding this competition is to develop the students' creations and self-learning skills. In the competition all the robots were required to be finish some specific missions, then the judgement committee will give a score which depends on the missions' accomplishment. English Channel of City's Studio Li Hua's Report