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12.In their book Time to Eat the Dog:The Real Guide to Sustainable Living,Robert and Brenda Vale say keeping a medium?sized dog has the same ecological impact as driving 10,000km a year in a 4.6liter Land Cruiser.
"We're not actually saying it is time to eat the dog.We're just saying that we need to think about and know the ecological impact of some of the things we do and that we take for granted."
Constructing and driving the jeep for a year requires 0.41hectares of land,while growing and manufacturing a dog's food takes about 0.84hectares-or 1.1hectares in the case of a large dog such as a German shepherd.
Convincing flesh?eating cats and dogs to go vegetarian for the sake of the planet is a non?starter,the Vales say.Instead they recommend keeping"greener",smaller,and more sustainable pets,such as goldfish,chickens or rabbits.
The book's playful title,and serious suggestion that pet animals may be usefully"recycled",by being eaten by their owners or turned into pet food when they die,may not appeal to animal fans.
Annoying as the idea may be,the question is valid given the planet's growing population and limited resources,Robert Vale said.
"Issues about sustainability are increasingly becoming things that are going to require us to make choices which are as difficult as eating your dog.It's not just about changing your light bulbs or taking a cloth bag to the supermarket,"he said.
"It's about much more challenging and difficult issues,"he added."Once you see where cats and dogs fit in your overall balance of things,you might decide to have the cat but not also to have the two cars and the three bathrooms and be a meat eater yourself."

56.The authors gave their book the playful title toD.
A.make it amusing                      B.create a vivid image
C.show writing skills                 D.arouse people's concern
57.In Paragraph 3the writer mainly wants to tell usB.
A.the amount of consumed land
B.the neglected ecological impact
C.some familiar examples
D.some actual figures
58.What does"sustainability"mean according to the passage?D
A.Going vegetarian.
B.Raising cats and dogs.
C.Using a cloth bag.
D.Keeping a greener life.
59.Who may not like the idea of"recycling"pet animals?C
A.Manufacturers.     B.Drivers.
C.Animal fans.       D.The authorities.
60.What do the authors think of living a sustainable life?A
A.Challenging.      B.Inspiring.
C.Inviting.          D.Touching.

分析 本文属于说明文阅读,作者通过这篇文章主要向我们描述了是时候吃狗肉了这本书,用了好玩的标题但其主旨是提倡人们发展可持续的生活,提出了圈养可持续的宠物,使用环保袋等方式,保持绿色生活.

解答 56.D.推理判断题.根据文章第四段"The book's playful title,and serious suggestion that pet animals may be usefully"recycled","这本书是好玩的标题,和严肃的建议;可知本书用了好玩的标题是为了吸引读者的关注;故选D.
57.B.推理判断题.根据文章第三段"Constructing and driving the jeep for a year requires 0.41 hectares of land,while growing and manufacturing a dog's food takes about 0.84hectares-or 1.1hectares in the case of a large dog such as a German shepherd"修建和驾驶一辆吉普车需要0.41公顷土地而喂养一条狗的食物就需要0.84公顷,大型犬如德国牧羊犬需要1.1公顷;由此可见第三段主要讲了忽视生态的影响;故选B.
58.D.词义推断题.根据文章第三段"Instead they recommend keeping"greener",smaller,and more sustainable pets,such as goldfish,chickens or rabbits"他们建议保持"绿色"生活,圈养更小的和更可持续的宠物,如金鱼、鸡、兔;可知词义为保持绿色生活;故选D.
59.C.细节理解题.根据文章第四段"by being eaten by their owners or turned into pet food when they die,may not appeal to animal fans"主人吃掉或者变成宠物食品当他们死的时候,这可能无法吸引动物爱好者;故选C.
60.A.推理判断题.根据文章最后一段"It's about much more challenging and difficult issues,"he added"这是更大的挑战和困难的问题,"他说;可知作者认为过一个可持续的生活是具有挑战性的;故选A.

点评 考察学生的细节理解和推理判断能力,做细节理解题时一定要找到文章中的原句,和题干进行比较,再做出正确的选择.在做推理判断题不要以个人的主观想象代替文章的事实,要根据文章事实进行合乎逻辑的推理判断.

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