Question

15．What is stroke？Stroke is a typical disease which occurs when a blood clot（凝塊）blocks an artery（動脈） 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 本文屬于說明文閱讀，作者通過這篇文章主要向我們描述了中風的預防方法．包括：降血壓，戒煙，限酒，飲食清淡，多鍛煉，保持心情愉快等．

解答 46．A．細節(jié)理解題．文章第一段說Stroke prevention guidelines were brought forth by Journal of the American Medical Association中風的預防方法已經在美國醫(yī)療期刊登出來了．故選A．
47．B．猜測詞意題．句中imperative表示有必要，勢在必行的意思．故選B．
48．C．細節(jié)理解題．文章中說It's the result of a diet in high fats，lack of exercise膽固醇是食物過于油膩，缺少鍛煉的結果．故選C．
49．D．細節(jié)推斷題．文章最后說A good mood without any stress is an important part of recovering from the stroke保持好的心情很重要，可以推斷出喜歡發(fā)脾氣容易引起中風，故選D．
50．D．主旨大意題．文章主要介紹了中風的預防方法．故選D．

點評 考察學生的細節(jié)理解和推理判斷能力，做細節(jié)理解題時一定要找到文章中的原句，和題干進行比較，再做出正確的選擇．在做推理判斷題不要以個人的主觀想象代替文章的事實，要根據文章事實進行合乎邏輯的推理判斷．