①随着经济增长，旅游恩格尔系数会逐渐下降

②伴随经济发展，旅游恩格尔系数与恩格尔系数的变化呈反相关关系

③旅游恩格尔系数越高，表明人们生活水平越高，消费结构改善

④随着经济发展，恩格尔系数逐步降低，人们的食品支出逐步减少

    Hello! My name is Amy. I am eleven years old. I like yellow. That's my favourite colour. I like to draw pictures, and that's my favourite school work. My favourite food is hamburgers. I like hamburgers for lunch. I like my Chinese teacher, so my favourite subject is Chinese. I like my yellow dress very much.