共用题干As many as 20% of all children in the United States suffer from some form of the learning disorder called dyslexia.Experts on dyslexia say that the problem is not a disease.They say that persons with dyslexia use information in a different way.One of the world's great thinkers and scientists,Albert Einstein was dyslexic.Einstein said that he never thought in words the way that most people do.He said that he thought in pictures instead.The American inventor Thomas Edison was also dyslexic.Dyslexia first was recognized in Europe and the United States more than 80 years ago.Many years passed before doctors discovered that persons with the disorder were not mentally slow or disabled.The doctors found that the brains of persons with dyslexia are different.In most people,the left side of the brain一 the part that controls language is larger than the right side.In persons with dyslexia,the right side of the brain is bigger. Doctors are not sure what causes this difference.However,research has shown that dyslexia is more common in males than in females,and it is found more often in persons who are left handed.No one knows the cause of dyslexia,but some scientists believe that it may result from chemical changes in a baby's body long before it is born.They are trying to find ways to teach persons with dyslexia. Dyslexic persons think differently and need special kinds of teaching help.After they have solved their problems with language,they often show themselves to be especially intelligent or creative.The first cases of dyslexia in Europe were discovered less than a century ago.A:Right B:Wrong C:Not mentioned
共用题干
As many as 20% of all children in the United States suffer from some form of the learning disorder called dyslexia.
Experts on dyslexia say that the problem is not a disease.They say that persons with dyslexia use information in a different way.One of the world's great thinkers and scientists,Albert Einstein was dyslexic.Einstein said that he never thought in words the way that most people do.He said that he thought in pictures instead.The American inventor Thomas Edison was also dyslexic.Dyslexia first was recognized in Europe and the United States more than 80 years ago.Many years passed before doctors discovered that persons with the disorder were not mentally slow or disabled.The doctors found that the brains of persons with dyslexia are different.In most people,the left side of the brain一 the part that controls language is larger than the right side.In persons with dyslexia,the right side of the brain is bigger. Doctors are not sure what causes this difference.However,research has shown that dyslexia is more common in males than in females,and it is found more often in persons who are left handed.No one knows the cause of dyslexia,but some scientists believe that it may result from chemical changes in a baby's body long before it is born.They are trying to find ways to teach persons with dyslexia. Dyslexic persons think differently and need special kinds of teaching help.After they have solved their problems with language,they often show themselves to be especially intelligent or creative.
As many as 20% of all children in the United States suffer from some form of the learning disorder called dyslexia.
Experts on dyslexia say that the problem is not a disease.They say that persons with dyslexia use information in a different way.One of the world's great thinkers and scientists,Albert Einstein was dyslexic.Einstein said that he never thought in words the way that most people do.He said that he thought in pictures instead.The American inventor Thomas Edison was also dyslexic.Dyslexia first was recognized in Europe and the United States more than 80 years ago.Many years passed before doctors discovered that persons with the disorder were not mentally slow or disabled.The doctors found that the brains of persons with dyslexia are different.In most people,the left side of the brain一 the part that controls language is larger than the right side.In persons with dyslexia,the right side of the brain is bigger. Doctors are not sure what causes this difference.However,research has shown that dyslexia is more common in males than in females,and it is found more often in persons who are left handed.No one knows the cause of dyslexia,but some scientists believe that it may result from chemical changes in a baby's body long before it is born.They are trying to find ways to teach persons with dyslexia. Dyslexic persons think differently and need special kinds of teaching help.After they have solved their problems with language,they often show themselves to be especially intelligent or creative.
The first cases of dyslexia in Europe were discovered less than a century ago.
A:Right
B:Wrong
C:Not mentioned
A:Right
B:Wrong
C:Not mentioned
参考解析
解析：该题提到数字的问题，所以注意文章中含有数字的句子。文章第一段提到："As many as 20% of all children in the United States suffer from some form of the learning disorder called dyslexia.”美国有多达20％的儿童患有阅读障碍症。问题句中的one out of five的意思是“每五个人中有一个”，即20％的人。
问题句说“世界上许多伟大的思想家和科学家都患有阅读障碍症。”文章第二段仅提到爱因斯坦和爱迪生是阅读障碍症患者，并未讲许多科学家和思想家也有这种情况。因此选C。
利用the first cases作为答案线索词，在第二段找到答案所在句：" Dyslexia first was recognized in Europe and the United States more than 80 years ago.”该句说欧洲和美国在80多年以前首次发现阅读障碍症患者，与问题句The first cases of dyslexia in Europe were discovered less than a century ago吻合。
注意含有“the left side of the brain/the right side of the brain”的句子，可以在第二段找到答案，相关句说：" In persons with dyslexia , the right side of the brain is bigger.”患阅读障碍症的人的右脑比左脑大。所以该题选B。
注意文章中含有“the left handed/the right handed”的句子。找到答案相关句：“…research has shown that dyslexia is more common in males than in females,and it is found more often in persons who are left handed.”该句说有研究表明男人比女人更易患阅读障碍症，惯用左手者比惯用右手者更易患阅读障碍症，据此我们可以推断该句子是正确的。
通读全文，根本就找不到关于“婴儿母亲的不良习惯”的信息。况且文章说阅读障碍的成因尚不清楚，因此选C。
根据intelligent和creative，我们在文章最后一句话找到答案相关句：" After they have solved their problems with language,they often show themselves to be especially intelligent or creative.”该句说解决了语言方面的问题之后，患有阅读障碍症的人往往表现出超人的智慧或创造力。
问题句说“世界上许多伟大的思想家和科学家都患有阅读障碍症。”文章第二段仅提到爱因斯坦和爱迪生是阅读障碍症患者，并未讲许多科学家和思想家也有这种情况。因此选C。
利用the first cases作为答案线索词，在第二段找到答案所在句：" Dyslexia first was recognized in Europe and the United States more than 80 years ago.”该句说欧洲和美国在80多年以前首次发现阅读障碍症患者，与问题句The first cases of dyslexia in Europe were discovered less than a century ago吻合。
注意含有“the left side of the brain/the right side of the brain”的句子，可以在第二段找到答案，相关句说：" In persons with dyslexia , the right side of the brain is bigger.”患阅读障碍症的人的右脑比左脑大。所以该题选B。
注意文章中含有“the left handed/the right handed”的句子。找到答案相关句：“…research has shown that dyslexia is more common in males than in females,and it is found more often in persons who are left handed.”该句说有研究表明男人比女人更易患阅读障碍症，惯用左手者比惯用右手者更易患阅读障碍症，据此我们可以推断该句子是正确的。
通读全文，根本就找不到关于“婴儿母亲的不良习惯”的信息。况且文章说阅读障碍的成因尚不清楚，因此选C。
根据intelligent和creative，我们在文章最后一句话找到答案相关句：" After they have solved their problems with language,they often show themselves to be especially intelligent or creative.”该句说解决了语言方面的问题之后，患有阅读障碍症的人往往表现出超人的智慧或创造力。
相关考题：
共用题干Ants Have Big Impact on Environment as“Ecosystem Engineers”Research by the University of Exeter has revealed that ants have a big impact on their local environment as a result of their activity as“ecosystem engineers”and predators. The study,published in the Journal of Animal Ecology,found that ants have two distinct effects on their local environment.Firstly,through moving of soil by nest building activity and by collecting food they af-fect the level of nutrients in the soil. This can indirectly impact the local populations of many animal groups,from decomposers to species much higher up the food chain.Secondly,they prey on a wide range of other animals,including larger prey which can be attacked by vast numbers of ant workers.Dirk Sanders,an author of the study from the university's Centre for Ecology and Con-servation,said:“Ants are very effective predators which thrive in huge numbers. They're al-so very territorial and very aggressive,defending their resources and territory against other predators. All of this means they have a strong influence on their surrounding area.”“In this research,we studied for the first time how big this impact is and the subtleties of it. What we found is that despite being predators,their presence can also lead to an increase in density and diversity of other animal groups. They genuinely play a key role in the local environment,having a big influence on the grassland food web,”Sanders said.The study,carried out in Germany,studied the impact of the presence of different combinations and densities of black garden ants and common red ants,both species which can be found across Europe,including in the UK.It found that a low density of ants in an area increased the diversity and density of other animals in the local area,particularly the density of herbivores and decomposers. At higher densities ants had no or the opposite effect,showing that predation is counteracting the positive influence.Dr Frank van Veen,another author on the study,said:“What we find is that the impact of ants on soil nutrient levels has a positive effect on animal groups at low levels,but as the number of ants increases,their predatory impacts have the bigger effect一thereby counteracting the positive influence via ecosystem engineering.”Ants are important components of ecosystems not only because they constitute a great part of the animal biomass but also because they act as ecosystem engineers. Ant biodiversity is incredibly high and these organisms are highly responsive to human impact,which obviously reduces its richness. However,it is not clear how such disturbance damages the maintenance of ant services to the ecosystem. Ants are important in below ground processes through the alteration of the physical and chemical environment and through their effects on plants,microorganisms,and other soil organisms.Why are ants compared to ecosystem engineers?A: Because they build their own nests.B: Because they collect food.C: Because their activity affects the environment.D: Because they are predators.
共用题干Lung CancerThe death rate due to cancer of the lungs has increased more than 800 percent in males and has more than doubled in females during the last 25 years.It is considerably higher in urban and industrial areas than in rural districts._________(46)Those factors which have been mentioned most frequently are the presence of foreign particles and other irritants in the air(smoke particles, smog,exhaust fumes),and the smoking of cigarettes and cigars._________(47)Among heavy smokers—21 to 30 cigarettes per day—the mortality rate from lung cancer is nearly 17 times the rate from nonsmokers.It is expected the death rate among women will increase as the present high rate of smoking among women has its effect.Sometimes cases of lung cancer are discovered at the time an X-ray is taken for the purpose of detecting tuberculosis._________(48)Early detection is absolutely essential if any possibility of cure is to be maintained.Modern X-ray machines in competent hands pose such slight danger, at least to those over 40 years of age,that this would be much more than offset by the advantages of discovering a tumor while it is small enough to be completely removed._________(49)The tumor may grow until the bronchus is blocked,cutting off the supply of air to that lung.The lung then collapses,and the secretions trapped in the lung spaces become in-fected,with a resulting pneumonia or the formation of a lung abscess._________(50)The only treatment that offers a possibility of cure,before secondary growths have had time to form,is to re-move the lung completely.This operation is called pneumonectomy.Malignant tumors of the stomach,the breast,the prostate gland and other organs may spread to the lungs,causing secondary growths._________(50)A: A common form of lung cancer is bronchogenic carcinoma,so-called because the malig-nancy originates in a bronchus.B: Lung cancer,also known as carcinoma of the lung or pulmonary carcinoma,is a malignant lung tumor characterized by uncontrolled cell growth in tissues of the lung.C: Too often,however,a current emphasis upon the danger of exposure to radiation from X-ray machines can frighten people away from routine chest X-rays and thus prevent an ear-ly diagnosis of lung cancer.D: Numerous studies have demonstrated a striking correlation between the death rate from lung cancer and smoking habits.E: Such a lung cancer can also spread to cause secondary growths in the lymph nodes of the chest and neck as well as in the brain and other parts of the body.F:.There are many possible causes,but it is still controversial which are most blameworthy.
共用题干Exercising Your Memory1. Aging does not mean a dramatic decline in memory power,unless you help it happen by let-ting your mind go.2. That's not to say that memory doesn't change throughout life.Researchers divide memory into categories based on the length of time when memories are stored.One system divides it up as short-term(less than one minute;remembering a telephone number while you dial,for in-stance),long-term(over a period of years)and very long-term memory(over a lifetime).3. Short-term memory isn't mastered until about age 7,but after that you never lose it.Long-term memory,however,involves more effort and skill and changes more through life .It's not until the early teens（十几岁）that most people develop a mature long-term memory.4. First,we must get information into our heads through learning. Learning strategies can get rusty（生锈）without constant use. High school and college students , who are forced to repeatedly exercise their long-term memory abilities(at least long-term enough to get them through a final exam),usually do well on memory tests.The longer you stay in school,the more chance you get to polish your learning skills.It's no wonder that more highly educated people have more effective memory skills throughout life.5. Although older people in general learn somewhat more slowly than they did when younger,a dramatic difference exists between those who stay intellectually active-reading,discussing,taking classes,thinking-and those who do not. Giving the brain daily workout（锻炼）is just as important as exercising your muscles.Brainwork keeps your learning strategies in shape,and this helps your memory to function at full capacity.6. The next part of a healthy long-term memory is retention（记忆力）,the ability to store what you have learned. Memory researchers still do not know whether memories are lost-whether they still exist in the brain but our mental searching cannot turn them up,or have disappeared entirely as our brain ages.7. The third necessity for memory is recall,the ability to bring to mind the memories we have stored.Again,while aging has widely different effects on the recall abilities of different people, research indicates that the older we get,the longer it takes to recall facts But slower recall is still recall. In fact,aging does not seem to have any effect on forgetting at all,which takes place at the same rate in younger and older people. Paragraph 4______A: Importance of staying intellectually activeB: Effects of aging on a person's recall abilityC: Short-term memory versus long-term memoryD: Retention as the second necessity for memoryE: Link between learning strategies and effective memory skillsF: Significance of exercising your muscles
共用题干第三篇It is natural for young people to be critical of their parents at times and to blame them for most of the misunderstandings between them.They have always complained,more or less justly,that their parents are out of touch with modern ways;that they are possessive and dominant;that they do not trust their children to deal with crisis;that they talk too much about certain problems;and that they have no sense of humor,at least in parent-hild relationships.I think it is true that parents often underestimate their teenage children and also forget how they themselves felt when young.Young people often irritate their parents with their choices in clothes and hairstyles,in entertainments and music.This is not their motive.They feel cut off from the adult world into which they have not yet been accepted.So they create a culture and society of their own.Then,if it turns out that their music or entertainments or vocabulary or clothes or hairstyles irritate their parents,this gives them additional enjoyment. They feel they are superior,at least in a small way,and that they are leaders in style and taste.Sometimes you are resistant and proud because you do not want your parents to approve of what you do.If they did approve,it looks as if you are betraying your own age group.But in that case, you are assuming that you are the underdog:you can't win but at least you can keep your honor. This is a passive way of looking at things.It is natural enough after long years of childhood,when you were completely under your parents' control. But it ig而res the fact that you are now beginning to be responsible for yourself.If you plan to control your life,cooperation can be part of that plan.You can charm others,especially your parents,into doing things the way you want.You can impress others with your sense of responsibility and initiative,so that they will give you the authority to do what you want to do.The author is mainly talking to_________.A:parents of teenagers B:those who give advice to teenagersC:newspaper readers D:teenagers
共用题干Chest Compressions:Most Important of CPRCardiopulmonary resuscitation,or CPR,can save the life of someone whose heart has stopped .The condition is called cardiac arrest. The heart stops pumping blood. The person stops breathing. Without lifesaving measures,the brain starts to die within four to six minutes.CPR combines breathing into the victim's mouth and repeated presses on the chest.______(46).However,a new Japanese study questions the usefulness of mouth-to-mouth breathing. The study was published in the British medical magazine,The Lancet. Doctors in Tokyo led the re- search .It examined more than four thousand people who had suffered cardiac arrest. In all the cases,witnesses saw the event happen.More than one thousand of the victims received some kind of medical assistance from witnes- ses .Seven hundred and twelve received CPR.Four hundred and thirty-nine received chest pres- ses only.______(47)The researchers say any kind of CPR improved chances of the patient's survival. But,they said those people treated with only chest presses suffered less brain damage. Twenty-two percent survived with good brain ability.______(48).The American Heart Association changed its guidelines for CPR chest presses in 2005.______(49)Gordon Ewy is a heart doctor at the University of Arizona College of Medicine in Tucson. He wrote a report that appeared with the study.Doctor Ewy thinks the CPR guidelines should be changed again.He said the heart association should remove rescue breaths from the guidelines. He argues that more witnesses to cardiac arrests would provide treatment if rescue breaths are not a part of CPR. He says this would save lives______(50).Cardiac arrest kills more than 300,000 people in the United States every year. The American Heart Association says about ninety-five percent of victims die before they get to a medical center.______(50)A: Sofar,we have not known exactly yet whether mouth-to-mouth breathing is really useless in CPR.B: Only ten percent of the victims treated with traditional CPR survived with good brain a-bility.C: CPR keeps blood and oxygen flowing to the heart and brain.D: His studies show that many people do not want to perform mouth-to-mouth breathing on a stranger for fear of getting a disease.E: It said people should increase the number of chest presses from fifteen to thirty for every two breaths given.F: No mouth-to-mouth rescue breaths were given to them.