Unit One PEOPLE Unit Two FOOD Unit Three HOUSE Unit Four SHOPPING Unit Five TRANSPORT Unit Six ENVIRONMENTAL PROTECTION Unit Seven THE NATURAL WORLD Unit Eight WEATHER VAND CLIMATE Unit Nine ADMINISTRATION Unit Ten THE MEDIA Unit Eleven CRIME Unit Twelve SCIENCE AND TECHNOLOGY Unit Thirteen ENTERTAINMENT Unit Fourteen ECONOMY Unit Fifteen HEAL TH Unit Sixteen EDUCATION Key to Exercise 附录 主要参考书目
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