保障住房 In some countries the government provides state or coun…

水资源的重要性 Water is as necessary natural resource Humans need a…

饮食 The human body requires a balanced diet An unhealthy diet…

持枪合法的原因 In some countries, people are allowed to own firearm…

政府职能 Governments provide public services like healthcare and…

基因工程的好处 Genetic engineering is the practice of manipulating …

性别与教育 Men and women should have access to the same education…

家庭数量 Families in many countries are not as large as they use…

全球变暖 Gases such as carbon dioxide trap heat from the sun Thi…

教育的好处 Education gives people knowledge and skills People wit…

犯罪预防 The job of the polices is to catch criminals They must …

城市化的原因 People move to cities in search of job opportunities …

动物实验 Animals are used in important scientific research It is…

广告的好处 Advertising is a key part of modern business Companies…

发展中国家面临的问题 Developing countries face a range if problems Sta…