摘要
<正>Mexico is a North American country.It shares borders with the USA in the north.The border between Mexico and the USA is the second longest border in the world and is about 3,155 kilometers long.Mexico has mountains in the eastern and northern parts of the country,rainforests in the southern and eastern parts,and deserts in the west.Most of the bigger cities are located in the southern parts of the country.The climate varies from tropical climate to desert climate.Mexico has four time zones!The highest peak in Mexico is a volcano.It is the third largest in North America.It is called"Pico de Orizaba"or"Volcan Citlaltepetl"and is 5,636 metres high.