Question

15．What is stroke？Stroke is a typical disease which occurs when a blood clot（凝块）blocks an artery（动脉） or a blood vessel（血管） breaks，interrupting blood flow to an area of the brain．When either of these things happens，brain cells begin to die and brain damage occurs．Abilities controlled by that area of the brain are lost such as speech，movement and memory．Some people recover completely from strokes，but more than 2/3 of survivors will have some type of disability．Anyone can have a stroke regardless of men and women．it is really imperative for us to know something about Stroke Risk Factors．Risk factors are some beyond our control such as over age 55，being male，being Chinese，or having a family history of stroke．Others are controllable．Stroke prevention guidelines were brought forth by Journal of the American Medical Association 1n 1999．These includes：

46．Paragraph 1 is meant to sayA．
A．people can reduce the happening chances of storke
B．a stroke victim is bound to die or become disabled
C．middle-aged Chinese meales are sure to have storke
D．stroke is not as dangerous as most people may think
47．The underlined word"imperative"here meansB．
A．wonderful     
B．necessary     
C．valuable      
D．supportive
48．From Item 5 we can infer thatC．
A．both LDL and HDL are bad cholesterols in human body
B．human body does not need such a thing as cholesterol
C．high cholesterol can be controlled with diet and exercise
D．people without LDL will be healthier than those who have
49．What will contribute to the danger of a stroke？D
A．Drinking some wine daily        
B．Walking 30 minutes a day
C．Cutting down on salt and fat    
D．Losing temper constantly
50．The best title for this passage isD
A．What is Stroke？
B．Ten Causes of Stroke
C．Stroke and Health                                 
D．How to Prevent Stroke．

Answer 1

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中风的预防方法．包括：降血压，戒烟，限酒，饮食清淡，多锻炼，保持心情愉快等．

解答 46．A．细节理解题．文章第一段说Stroke prevention guidelines were brought forth by Journal of the American Medical Association中风的预防方法已经在美国医疗期刊登出来了．故选A．
47．B．猜测词意题．句中imperative表示有必要，势在必行的意思．故选B．
48．C．细节理解题．文章中说It's the result of a diet in high fats，lack of exercise胆固醇是食物过于油腻，缺少锻炼的结果．故选C．
49．D．细节推断题．文章最后说A good mood without any stress is an important part of recovering from the stroke保持好的心情很重要，可以推断出喜欢发脾气容易引起中风，故选D．
50．D．主旨大意题．文章主要介绍了中风的预防方法．故选D．

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．