寻求英语高手帮忙翻译 不要用网上的软件直译

Like this my idea is quite perhaps appropriate: Since has entered high school's these three years, I have been preparing for the abroad study, I participate in the school activity positively, is the school volunteer mass organization's foundation members and the organization head, environmental protection mass organization's plan department minister, plans and has organized many major-type activities, insisted that participates in the home for the elderly voluntary workers to move, and each week leads the member of society to see them. In the plan, leads this aspect to display is splendid. I want to apply for the Singapore Union Solar calendar Institute, I have looked up the pertinent data, for these years came, China was admitted to the union solar calendar institute's students majority to participate has simulated United Nations this activity, but our school did not have the condition to carry out this activity, therefore I worried that this vacancy will cause me t