题干
任务型阅读
Hi, I'm Gina．I have my birthday on the 12 th of March．It is in spring and the weather is usually warm．My parents always say“Happy birthday”and give me gift(礼物)on the morning of my birthday．I enjoy getting them．I usually have a birthday party at home．My relatives(亲戚)and friends come to the party．
My birthday party is on Sunday this year．I get up early in the morning．My father and I go to the supermarket to buy something we need for the party．My mother is at home．She cleans the house,makes cakes and prepares for(为……做好准备)the party．
At about four o'clock my relatives and friends come and I am happy to see them．My relatives buy a dress，a bag and a computer…game for me．My friends bring flowers，books and candies．
My mother brings us a cake with 13 candles on it．Everyone sings“Happy Birthday to You”and I blow all the candles out．Then we sing，dance，play games and talk about our life．
I enjoy my birthday party and everyone has a great time at my party．
根据材料内容简要回答下列问题。
= (1，1)，
= (1，－1)，
=(－1，2)，则