练习:( 注意观察每个句子的英文的结构和常用的词汇,并用中文的语序习惯和正式的语言完成翻译,把中文翻译上传超星平台)。 1) 70.8% of the total surface area of the earth is below sea level and covered by ocean water. 2) Some people believe that if we want to have factories, cities, cars and coastal resorts, some degree of pollution is certain to result. 3) One of the greatest problems the world is facing today is environmental pollution, increasing with every passing year and causing grave damage to the earth. 4) Most plastics do not break down naturally in the environment, which means things like plastic bottles can survive in the environment for a long time. 5) Soil pollution is a result of acid rain, polluted water, fertilizer, etc., which leads to bad crops.