写作:第一篇是 关于中、美、西班牙三国的人口在1950-2000-2050三年间的变化(柱状图)还有这三个国家人口对寿命的期望。 第二篇是 Nowadays, international tourism is the word s biggest industry. Unfortunately, International tourism creats tension rather than understanding between people from different cultures. To what extent do you agree or disagree?