一个不透明的袋子中装有3个黄球和4个蓝球,这些球除颜色外完全相同,从袋子中随机摸出一个球,摸出的球是黄球的概率是____.
— ____ the doctors, the most beautiful teacher Zhang Lili is out of danger.
—We wish her to live a healthy and happy life in the future.
以下世界之最位于非洲的是( )