【答案解析】据世界卫生组织统计，有四千多万人患有此病，病人中超过95%生活在贫穷的发展中国家。 [解析]
The World Health Organization estimates that more than forty-million people have the disease. More than ninety-five percent of these people live in poor and developing countries.

【答案解析】糖分天然地存在于各种食物中，比如说水果。多种加工过的食品和饮料中也加入了糖分。而今一份国际性的报告告诫人们要限制糖的摄入量。 [解析]
Sugar is found naturally in foods such as fruit. Sugar is also added to many processed foods and drinks. Now an international report warns people to limit the sugar they eat.

【答案解析】各地的用水量都在上升，人类已经在使用54%的江湖淡水和地下水，一些人估计这个比率到 2025年将达到70%。 [解析]
Everywhere, water use is increasing. Humans already use fifty-four percent of all the fresh water found in rivers, lakes and underground. There are some estimates that this rate will reach seventy percent by two-thousand- twenty-five.

【答案解析】保护土壤的措施可以防止土壤被风吹走，或被水冲走。良好的土层可以为人类和动物提供粮食。 [解析]
Soil conservation efforts protect soil from wind and water that can blow or wash it away. Good soil produces food crops for both people and animals.

【答案解析】年轻男性用酒精或者毒品来寻求刺激，或者他们认为这是一种让自己更受欢迎的方式。而年轻女性用香烟、毒品或者烈酒来让自己感觉更快乐、缓解压力或者减肥。 [解析]
Young males generally use alcohol or drugs for excitement. Or they think it will make them more popular. Young females, however, use cigarettes, drugs or alcohol to feel happier, reduce tension or lose weight.