The University of Reading has been protecting the quality of the new crop since 1985，after it took over the task from the Royal Botanical Gardens in Kew，London.And it has improved its facilities.The leader of the institution’s cocoa project，Professor Paul Hadley，says，“One of the main issues concerning cocoa improvement is the supply of reliably clean，healthy，interesting cocoa material.”

　　The cocoa centre has a collection of 400 plant varieties and their greenhouse uses a lot of energy to keep them in tropical conditions.After up to two years in quarantine，clean and safe seeds are sent to some 20 countries，including several in West Africa.That’s where 75% of the cocoa used for chocolate worldwide comes from.The crop is extremely important for the local economy：it employs about two million people.led technicians who look after the collection.And more of us seem to count on them now.

　　The scientist says，“There is some concern within the industry that demand is increasing constantly，particularly in countries like China，where the standard of living is increasing and people are getting a taste for different chocolates.”

　　5．What is the text mainly about?

　　A．Safeguarding cocoa seeds.

　　B．Planting cocoa seeds worldwide.

　　C．Keeping cocoa seeds in greenhouse.

　　D．Finding the new market for cocoa.

【【优化方案】2017届高考英语二轮复习全国卷Ⅱ题型重组训练：第18组（含解析）】相关文章：

★ 2017届高考英语二轮复习课时训练：1（含解析）

★ 2017届高考英语二轮复习大题冲关秘籍阅读理解七选五：体验真题（含解析）

★ 2017高考四川省广安市英语阅读理解一轮系列训练：27（含解析）

★ 【三维设计】2017届高考英语（江苏专用）二轮复习素材：高考单词5.高中英语常见词组

★ 2017届高考英语二轮复习课时训练：22（含解析）

★ 2017届高考英语二轮复习大题冲关秘籍短文改错：创新押题（含解析）

★ 2014届高考英语一轮复习课时作业(八)必修2Module 2《No Drugs》（外研版）

★ 【优化方案】2017届高考英语二轮复习全国卷Ⅱ题型重组训练：第20组（含解析）

★ 2017届高考英语二轮复习大题冲关秘籍之日常交际用语大全：高考英语常考的数词、代词及其用法（含解析）

★ 2017高考四川省广安市英语阅读理解一轮系列训练：3（含解析）