西城二模英语七选五分析.ppt

题型解读：,试题模式：给出一篇缺少5个句子的文章，对应有七个选项，要求同学们根据文章结构、内容，选出正确的句子，填入相应的空白处。考查重点：主要考查考生对文章的整体内容和结构以及上下文逻辑意义的理解和掌握。（考试说明）选项特点：主旨概括句（文章整体内容）过渡性句子（文章结构）注释性句子（上下文逻辑意义）,文章体裁：,说明对象：,Why Cats Scratch Things,说明文,Why Cats Scratch Things,通过文章的标题、副标题预测文章大意,It has long been assumed(猜想)that when cats scratch objects with their front paws（爪子）that they are sharpening their claws.71_ _ Research on cat behavior suggests that the major reason for this behavior is communication.By scratching up the bark of a tree(or the leg of your favorite chair)the cat is letting other cats or people know where she is and what she is up to.,AIt turns out that this is,only a secondary reason.,主要原因,普遍认为,Cats tend to pick a small number of noticeable objects in their environments to scratch such as trees,fence posts repeatedly.72_ _ _ _ _ _ _ The scratched surface leaves a highly visible mark that can be easily seen by other cats.In addition,cats have special glands（腺）in their paws so that when they make scratching movements they leave scent（气味）that the cats can smell.The fact that cats leave scent marks by making scratching movements may be the reason that cats will continue to scratch objects even after they have been declawed(去爪的).73_.,may still be leaving scent marks on objects they scratch.,BThis is why the tree next,door looks so scratched up.,F.Declawed cats,解释原因,We dont know exactly what cats are communicating with their scratching.Both males and females do it.It is done inside and outside the home and even by cats living with no other cats around.74 _ _Cats don t scratch up your furniture to bother you or just to be destructive,but for specific reasons,one of which is communicating.Cats also scratch to extend their bodies,during play,and possibly as a greeting or to relieve dissatisfaction when prevented from doing other things they want to do.,warning or just a marker that announces its existence.,G It could be a defensive,75 _ _ It is easier to prevent problem scratching rather than trying to change your cats preference for the arm of your sofa after it has become a built up habit.Thus,the goal is to establish acceptable scratching habits by getting your cat to prefer a scratching post rather than the arm of your sofa.,EScratching can result in considerable damage,owner dissatisfaction.,问题,解决办法,解题技巧：,通过文章的标题、副标题预测文章大意看选项，初步排除含有无关内容的选项查看有无主题句：段首或段尾看空前空后内容，分析之间的逻辑性观察语法关系：同义词或近义词的重复使用，名词单复数及动词时态的变化，动宾搭配等注意代词或定冠词：it,they,this,the注意特殊疑问词及标点符号:why,where,when,what注意连词:however,so,though,not onlybut also,also.灵活掌握答题顺序,