It is obvious that the way much coffee is grown affects many aspects of life, from the local environment to the global ecology.But consumers do have a choice.They can purchase shade­grown coffee whenever possible, although at a higher cost.The future health of the planet and mankind is surely worth more than an inexpensive cup of coffee.

　　()1.What can we learn about full­sun coffee production from Paragraph 4?

　　A．It limits the spread of new growing techniques.

　　B．It leads to air pollution and global warming.

　　C．It slows down the loss of shade trees.

　　D．It improves local soil conditions.

　　()2.The purpose of the text is to ________.

　　A．entertain B．advertise

　　C．instruct D．persuade

　　()3.Where does this text probably come from?

　　A．An agricultural magazine.

　　B．A medical journal.

　　C．An engineering textbook.

　　D．A tourist guide.

　　()4.Which of the following shows the structure of the whole text?

　　(P：Paragraph)

　　【主旨大意】 本文介绍了当今咖啡树种植的变化——由传统的遮阴种植变为阳光种植，给当地和全球的自然环境带来了破坏性的影响，作者呼吁人们吃传统方式种植的咖啡，以保护环境。

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