The results demonstrated that biochar can increase organic matter in soil．Loss of nutrients in soil is an increasing problem worldwide as farmers try to grow more food for growing populations．

　　Next, the team will carry out a five-year study of biochar with spinach （菠菜）, green peppers and tomatoes．

　　Mingxin Guo says he learns about the ''black gold" in Brazil from a magazine story．He explains that it was discovered in the jungle, in the area where waters flow to the Amazon, in the 1960's．But it was not until recent years that scientists began to bring public attention to it.

　　56．According to the passage, which of the following statements is TRUE?

　　A．The researchers will go on proving their theory．

　　B．The leading researcher learns the theory from the magazine．

　　C．Charcoal was discovered 1,500 years ago．

　　D．Common farming can produce more carbon dioxide．

　　57．Biochar has the following advantages EXCEPT that ____ ．

　　A．it can improve the condition of the soil

　　B．it can be used as a kind of energy

　　C．it can help against global warming

　　D．it can increase productivity of the corn

　　58．According to the research, the biochar can help against global warming because it can

　　.

【2016届高考英语二轮复习阅读理解精选训练（34）外研版】相关文章：

★ 【课堂新坐标】2017届高考英语（通用版）二轮复习书面表达专题训练：技法5 高级的词汇复杂的句式（含解析）

★ 【北师大版】2014届高考英语一轮复习指导课时作业：Unit 10 B卷 Word版含解析

★ 2015-2016高考英语一轮复习的四点建议

★ 【优化方案】2017届高考英语二轮复习全国卷Ⅱ规范练：8（含解析）

★ 常熟市2014高考英阅读理解语一轮（暑假）训练题（11）及答案

★ 贵州省贵阳市2014高考英语（新人教版）一轮阅读训练（13）附答案

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (36)

★ 安徽省淮南市2014高考英语一轮单项选择及文章训练（16）及答案

★ 备战2016年高考英语第一轮复习的七大方法

★ 2016最新英语第一轮复习的方针和策略