题目

 ______ and excited, the athletes from all over the world took part in the Special Olympics held in Shanghai. A. Honored      B. Honoring            C. Being honored      D. To be honored 答案：A要用一张长方形纸折成一个纸袋，两条折痕的夹角为70°（即∠POQ=70°），将折过来的重叠部分抹上胶水，即可做成一个纸袋，则粘胶水部分所构成的角，∠A′OB′= °．