请回答：

已知O为△ABC内一点，且有$\overrightarrow{OA}$+2$\overrightarrow{OB}$+3$\overrightarrow{OC}$=$\overrightarrow{0}$，记△ABC，△BCO，△ACO的面积分别为S₁，S₂，S₃，则S₁：S₂：S₃等于（　　）

短文填空 (注意适当形式)

     To many people, American food means____ , hot dogs and fried chicken. If you like sweet (甜的)____ , you may even think of apple pies (苹果派) or chocolate cookies (曲奇饼干). It's true that Americans often____ hese things.

     It's hard to find another traditional American food except (除.....之外) Thanksgiving ____ . The United States is a land of people who come from____ countries.  When the people come to America, they____ their cooking styles with them, too. So in America you can find other countries'____ . For example, they____ Italian pizzas, Mexican tacos and Chinese egg rolls. However, these foods in American aren't quite____ the original (原先的) ones in other countries.