UNIT ONE CHILDREN''S EDUCATI N_UNIT TWO HIGHER EDUCATI N_UNIT THREE ANIMAL UNIT FOUR MEN AND WOM N_UNIT FIVE POPULATI N_UNIT SIX NEWS MEDIA UNIT SEVEN SMOKING AND ANTI-SMOKING UNIT EIGHT HEALTH UNIT NINE AUTOMOBILE UNIT TEN ENVIRONMENT AND RESOURCES UNIT ELEVEN UPDATE TECHNOLOGY UNIT TWELVE CHINESE ECONOMY UNIT THIRTEEN MANAGEMENT UNIT FOURTEEN POLITICS UNIT FIFTEEN FINANCE APPENDIX Ⅰ EXERCISES APPENDIX Ⅱ KEY