[解析]
(1)A.细节理解题。根据第二段的Instead of cutting down on snacks and junk food,she decides not to eat at all.(并非减少零食和垃圾食品,她决定什么都不吃)可知,为了减肥Kessa决定什么都不吃。故选A。
(2)D.细节理解题。根据最后一段的In the rest of the book,Kessa goes through a lot of trouble in order to cure her eating disorder.(在这本书的剩余部分,为了治好自己的厌食症Kessa经历了很多苦难)可知,因为厌食症Kessa遭受了很多痛苦。故选D。
(3)C.细节理解题。根据第二段的Instead of cutting down on snacks and junk food,she decides not to eat at all.(并非减少零食和垃圾食品,她决定什么都不吃),第四段的Every day she exercises to lose more pounds and plans what and when she will eat.(每天,她通过锻炼减掉更多体重,并计划什么时候吃什么东西)以及最后一段的In the rest of the book,Kessa goes through a lot of trouble in order to cure her eating disorder.(在这本书的剩余部分,为了治好自己的厌食症Kessa经历了很多苦难)可知,文章提到的这本书The Best Little Girl in the World主要讲述了一个女孩与厌食症抗争。故选C。
(4)D.写作意图题。根据文章最后一段的This book,I think,can help to prevent people from doing this to themselves.It shows the trouble that people go through just to be slimmer,and all the terrible things they must experience to be cured.It is a book I think every teenager should read.(我认为,这本书可以帮助阻止人们对自己做这样的事情。它展示了人们为了变得更苗条而经历的麻烦,以及他们被治愈要经历的所有麻烦。这是一本我认为每一个青少年都应该阅读的书)可推测,作者写这篇文章的目的是普告人们不要犯和这个女孩相同的错误。即,用极端的方式减肥,最后得了厌食症,又经历巨大痛苦来治疗。故选D。