第25题: [单项选择]{{B}}Passage One{{/B}}
{{B}}Questions 26 to 29 are based on the passage you have just heard.{{/B}} A. An economic policy of a country. B. An economic policy of a family. C. TV programs designed for a family. D. A birth control policy of a country. 参考答案:D 答案解析:[听力原文]26-29
The world’ s population continues to grow. There now are about 4 billion of us on ea