题目

完形填空 Dennis is a schoolboy from Shanghai.He __1_ some New Year's resolutions yesterday.He wants to __2__.So he is going to exercise more and eat a lot of healthier food.He __3__ junk food.He is going to make a soccer team because he likes it and he is also good at playing __4__.He is going to be the __5__ of the soccer team.He also wants to improve his __6_.He is going to read English every morning.He is going to _7__ a pen pal in England or Australia.And he is going to write letters or e­mails in English _8__ his pen pal.When he grows up，he is going to be a doctor for childy与x成反比例,且当x=－2时，y=3,则当x=1时，y=____________________.