79. If this is the case, people addicted to shopping should go to a support group to help them break this habit.

Accordingly：根据情况来说，同原文中的“If this is the case”------如果这是事实的话，意思接近。 turn to…for help:求助…。找到这两个关键地方就能准确找出答案。

78. cause/ bring about/ result in many problems

关键是上下文要连贯。上文提到，购物癖看起来是没有害处的瘾，但是…，所以要从有害的角度来说；下文也是从这个角度谈论的。

77. The reason why some people/ shopaholics have shopping addiction

　 The possible reasons for shopaholism/ shopping addition

第三段第一句The question is: why do they have this addiction?提出了问题，下文都是对此做出的解答。所以变换一下表达方式就可以得出准确的答案。

76. shopping, drinking, playing computer games, working, watching TV, taking drugs.

第一段中最全面的概括了能使人成瘾的事情。”alcohol or drugs”, ”compulsive shoppers” ,”their work”, ”watching TV or playing computer games”.考生要注意语言的表达，题目要求”list three activities”, 所以注意用名词或动名词来回答。

74.[标准答案]D。

[试题解析]从文章第三段的语句Wilson suggests changing this situation by looking into ten thousand species that could be made use of, which will be a way to reduce the clearing of the natural homes of plants and animals to enlarge farming areas.可知Wilson建议保持地球生物多样性的方法之一就是寻求更多的可以利用的物种。

[高考考点]细节理解题。

73.[标准答案]。

[试题解析]从文章第三段的语句A mere hundred species(物种) are the basis of our food supply, of which but twenty carry the load.对我们的事物供给的物种最重要的有20种。[高考考点]细节理解题。

72.[标准答案]B。

[试题解析]推理判断题.

[高考考点]文章第一段Edward Wilson的书The Future of Life不仅让我们对资源的来龙去脉有一个很好地了解,而且指出“我们有必要对地球的生物多样性有一个充分的了解。”第三段的语句Biodiversity, Wilson argues, is the key to settling many problems the earth faces today.也说明了Biodiversity是解决地球面临许多问题的关键。故选B项。

71.[标准答案]D。

[试题解析]在第二节中的语句The beginners’ costs are ￡57 for a week, including food and rooms. Equipment is included except walking shoes, which can be hired at a low cost.可知75英镑中不包含鞋的价格，游客可以自己很便宜地租借到。

[高考考点]细节理解题。

70．[标准答案]B。

[试题解析]从第三节中的语句Instead of one hotel after another, with all its packing and unpacking waiting and traveling, you just go to bed in one country and wake up in another.可知可以睡在船上游览很多地方。

[高考考点]细节判断题。