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Nowadays, the food we eat seems to have great effects on our health. Although science has made enormous steps in making food more fit to eat, it has, at the same time, made many foods unfit to eat. Some research has shown that perhaps eighty percent of all human illnesses are related to diet and forty percent of cancer is related to the diet as well, especially cancer of the colon. Different cultures are more likely to cause certain different illnesses because of the food that is characteristic in these cultures.
That food is related to illness is not a new discovery. In 1945, about 68 years ago, government researchers realized that nitrates, commonly used to preserve color in meats, and other food additives, caused cancer. Yet, these carcinogenic additives remain in our food, and it becomes more difficult all the time to know which things on the packaging labels of processed food are helpful or harmful. The additives which we eat are not all so direct. Farmers often give penicillin to beef and living animals, and because of this, penicillin has been found in the milk of treated cow. Sometimes similar drugs are given to animals not for medical purposes, but for financial reasons. The farmers are simply trying to fatten the animals in order to obtain a higher price on the market. Although the Food and Drug Administration (FDA) has tried repeatedly to control these procedures, the practices continue.
小题1:What is the best possible title of the passage?
A.Drug and Food B.Cancer and Health
C.Food and HealthD.Health and Drug
小题2:Which of the following statements is NOT true?
A.Drugs are always given to animals for medical reasons
B.Some of the additives in our food are added to the food itself and some are given to the living animals
C.Researchers have known about the potential dangers of food additives for over thirty-five years.
D.Food may cause forty percent of cancer in world.
小题3:How has science done something harmful to mankind?
A.Because of science, diseases caused by polluted food have been virtually eliminated.
B.It has caused a lack of information concerning the value of food.
C.Because of the application of science, some potentially harmful substances have been added to food.
D.The scientists have preserved the color of meats, but not of vegetables.
小题4:What are nitrates used for?
A.They preserve flavor in packaged foods.
B.They preserve the color of meats.
C.They are the objects of research.
D.They cause the animals to become fatter.
小题5:The word "carcinogenic" most nearly means "_____".
A.trouble-makingB.color-retainingC.money-makingD.cancer-causing

答案

小题1:C
小题2:A
小题3:C
小题4:B
小题5:D
解析

试题分析:本文主要讲了食物对人类健康的影响,不良的饮食会致癌,特别是现在食品中的添加剂。
小题1:根据Nowadays, the food we eat seems to have great effects on our health.这是文章的主题句,故选C。
小题2: 根据Sometimes similar drugs are given to animals not for medical purposes, but for financial reasons.故选A。
小题3:根据In 1945, about 68 years ago, government researchers realized that nitrates, commonly used to preserve color in meats, and other food additives, caused cancer.可知答案为C。
小题4:根据government researchers realized that nitrates, commonly used to preserve color in meats,可知答案为 B。
小题5:根据In 1945, about 68 years ago, government researchers realized that nitrates, commonly used to preserve color in meats, and other food additives, caused cancer. Yet, these carcinogenic additives remain in our food, and it becomes more difficult all the time to know which things on the packaging labels of processed food are helpful or harmful.可猜测出carcinogenic意思是致癌物,可知答案为 D。
点评:先阅读问题,然后带着问题,再读全文,找出答题所需要的依据,完成阅读。这篇文章非常容易,根据问题找到相关问题的段落或句子,便可选出答案。
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试题【Nowadays, the food we eat seems to have great effects on our health. Although sc】;主要考察你对题材分类等知识点的理解。[详细]
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Why do men live a shorter life than women? The latest research indicates that men’s hearts going into a rapid decline when they reach middle age could be the cause.
The research of ageing on the heart has shown that women’s longevity may be linked to the fact that their hearts do not lose much pumping power with age.
“We have found that the power of the male heart falls by 20-25 percent between 20 and 70 years of age,” said the head of the study, Samantha of Liverpool John Moores University in the UK.
“Within the heart there are millions of cells which make it beat.Between the ages of 20 and 70, one-third of those cells die and are not replaced in men ,” said Samantha.“This is part of the ageing process.”
What amazes scientists is that the female heart suffers very little loss of these cells.A healthy 70-year-old woman’s heart could work almost as perfectly as a 20-year-old one’s.
“This gender (性别)difference might give the reason why men live shorter than women,”said Samantha.They studied over 250 healthy men and women between the ages of 17 and 80, who are mainly healthy persons so as to reduce the influence of disease.“The team has yet to think about why ageing suffers a greater loss on the male heart,” said Samantha.
But there is also good news -- men can enjoy the health of their hearts with regular exercise.Samantha stressed that women should also take regular exercise to stop their leg muscles getting weaker as they age.
小题1:The underlined word “longevity” in the second paragraph means “________”.
A.healthB.long lifeC.ageingD.effect
小题2:The text mainly talks about ________.
A.men’s heart cellsB.women’s ageing process
C.the gender differenceD.hearts and long life
小题3:According to the text, the UK scientists have known that ________.
A.men have fewer cells than women when they are born
B.women can produce the cells that make the heart beat
C.the female heart suffers less loss of the cells with age
D.women will never suffer the loss of pumping power with age
小题4:If you want to live a long life, you should ________.
A.enable your heart to beat much faster
B.think about the reason for ageing
C.take regular exercise to keep your heart healthy
D.stop your cells from being lost

题型:不详难度:| 查看答案


An Australian researcher is urging parents to load up their teenager’s backpack and make them walk to school.
Professor Leon Straker says students who walk or cycle to school are less likely to have back and neck pain. But the study of 1,202 Western Australian 14­year­old found that 72% of students travelled to school by car or bus. Straker says the study suggests walking or cycling while carrying a schoolbag helps improve trunk (躯干) and spinal (脊柱的) muscle strength.
This helps reduce back pain because greater muscle strength improves support for the back during load carrying .Despite advocating that parents get their children moving,Straker warns bag load should not exceed (超过) 15% of body weight.
Straker says the study also stresses that neck pain is as common as back pain among young teenagers. This is an area that has been largely ignored,he says,but can be an important indicator of neck pain into adulthood.
For the study,students were asked a series of questions such as how long they carried their bags for,how they carried their schoolbags,the method of travel,and their perceptions(感觉) about the bag’s weight.
Straker says about half of all participants experienced back and neck pain,with slightly more females reporting neck pain. However,the gender (性别) difference may also be due to the fact that females have lower pain tolerance.
Studies from the 1980s found carrying a bag over one shoulder was most common among teenagers. However in this study 85% of participants carried their bag over both shoulders.
Straker believes the change has been driven partly through education campaigns,but also by increasing fashion status of backpacks and improved design.
小题1:In the opinion of Leon Straker,parents should________.
A.reduce the load of their children’s schoolbags
B.put more books in their children’s schoolbags
C.get their children’s schoolbags ready for school
D.ask their children to walk to school carrying schoolbags
小题2:If a child weighs 40 kilograms,the weight of his schoolbag should be________.
A.no more than 15 kg
B.less than 6 kg
C.as heavy as 9 kg
D.more than 6 kg
小题3:We can learn from the passage that________.
A.most of the students in Australia walk to school
B.neck pain is uncommon among young teenagers
C.walking while carrying a backpack helps reduce back pain
D.males are more likely to experience back pain than females
小题4:According to the passage,what change has taken place since the 1980s?
A.How students carry their schoolbags.
B.How heavy students’ schoolbags are.
C.How students go to school every day.
D.How long students carry their schoolbags for.

题型:不详难度:| 查看答案
Ever tried taking smart drugs to perform better in exams? They certainly work. Before last summer"s exam, a few of my mates, merely out of curiosity, took a considerable amount of Modafinil, a drug normally used for narcolepsy(嗜眠发作症). Guess what? While I was feeling sleepy, bored by revision, my mates were more focused.
Modafinil is a smart drug that gives a user a feeling of staying awake for hours. It also sharpens the mind, improves memory and helps problem-solving.
But it does more than just keeping you awake. It disturbs your mental system, making you desperate to do what you are doing. You just don"t want to do anything else but revise all the time non-stop.
A recent study discovers that healthy people use smart drugs, like Modafinil, to get down to and complete tasks they have been putting off, because these tasks seem more enjoyable when taking these drugs. This might sound like what a stressed student desires. However, the pills have a range of side-effects.
"At present no evidence shows that these drugs are safe in healthy people," as a medical expert puts it, "Ordering online, though easy, is a dangerous way to obtain drugs. You never know what you"re actually purchasing. "
In my experience, Modafinil changes people"s behaviour too. Over those weeks my friends became different people—in turn aggressive, cold. Even eating became "a waste of time" and so did conversation.
A BBC survey found that of those who had tried smart drugs before, 92% would do so again. My friends say they"d happily do so without considering the practice a form of cheating.
I admit I was curious—but not enough to try it. Seeing the strange behaviour of other users, I feel a little bit upset and scary. Modafinil may promise to change your grades, but it might also change the way you act. Don"t say you haven"t been warned!
小题1:According to the author, his mates took Modafinil for the purpose of______.
A.escaping from realityB.getting better exam results
C.curing their narcolepsyD.leading an active life
小题2:Taking the smart drug can lead to ______.
A.cheating in the examB.dropping out of school
C.youth crime(犯罪)D.drug addiction(上瘾)
小题3:What does the author think of his mates" taking the smart drugs?
A.Worrying.B.Inspiring.
C.Acceptable.D.Reasonable.
小题4:Which statement about Modafinil is wrong?
A.Modafinil sharpens the mind and helps problem-solving.
B.Modafinil more than just keeps you awake.
C.Modafinil has a range of side effects.
D.Modafinil is safe in healthy people.
小题5:Who are the target readers of this passage?
A.Teachers.B.Doctors.C.Scientists.D.Students.

题型:不详难度:| 查看答案
The smell of fresh air is becoming something of a distant memory, thanks to our increasing use of fragrance (香气). From air fresheners to scented (有香味的) candles, we live in a world of scent.
Recent figures show seven in ten people use air fresheners or scented candles to keep our homes smelling sweet. Yet recent records suggest that perfumed products could affect our health, causing problems including allergies (过敏), headaches and asthma (哮喘) .
One leading expert believes nearly a third of people suffer health effects from being exposed to scents. A major problem is so-called “contact” allergy—where perfumes and scented products cause eczema (湿疹) when they come into contact with the skin. About one in 20 is thought to be affected by fragrance allergy.
“Often it may not be immediately obvious that you have developed a fragrance allergy,” says Dr. Baron. “You don’t react immediately. Gradually, as you are exposed more and more, the body increases its reaction, until it becomes noticeable to you.”
People with pre-existing eczema are particularly vulnerable (易受影响). “The eczema worsens in areas in contact with perfumes,” says Dr. Baron. “But even those without allergies can be at risk of fragrance allergy.” You can become suddenly allergic to perfumes and personal care products that you have been using for years. “Even if you know which fragrance causes a problem, it can be difficult to avoid, as most personal care products –soap, shampoo, sun cream and washing powder—contain fragrances,” says Dr. Baron.
And strong scents can also cause headaches. Fragrances activate the nose’s nerve cells, stimulating the nerve system associated with head pain. To minimize risk, sufferers are advised to minimize the contact.
“Fragrance suggest cleanliness – yet people are smelling a potentially dangerous chemical mixture,” says Anne Steinemann, professor of the University of Washington. “We often use them to mask one problem – as with air fresheners – but create a greater one – adding poisonous chemicals to the air.”
小题1:What is the text mainly about?
A.The world trend of using fragrance.
B.The benefits of using non-fragranced products.
C.The health problems caused by fragrance
D.The ways of removing allergy.
小题2:According to Dr. Baron,            .
A.our bodies have an immediate reaction to fragrance.
B.seven in ten have suffered fragrance allergy.
C.fragrance can affect people who don’t have allergy
D.people can avoid contacting with fragrance easily
小题3:Which of the following questions does the text NOT answer?
A.Which products contain fragrance?
B.What’s the influence of fragrance in the air?
C.What are the air fresheners made up of?
D.How are headaches caused by fragrance?
小题4:The following paragraph might discuss            .
A.the asthma caused by strong scents.
B.people’s efforts to protect fresh air.
C.the methods of curing eczema
D.the bad effects of air fresheners.

题型:不详难度:| 查看答案
C
If you have to miss a meal a day, which meal will cause you fewest health problems if you don’t eat it? If you have to make a decision of this type, most people (especially very busy people) will choose to skip breakfast.
However, many experts in the field of health consider breakfast ( the meal which “break” you “fast” ) to be the most important  meal of the day. If we eat a good breakfast, they say, we will have the energy and nutrients (营养) we need to begin our working day with vigor(活力) and stay hopeful with good honor. However, many people skip breakfast or substitute a cup of coffee for a well balanced meal. What happens if we ignore the importance of breakfast?
One recent study conducted in the United States tested a large number of people. Participants(参加者) included both males and females who ranged in age from 12 to 83. The results showed that if a person eats an adequate(丰富的) breakfast, he or she will work more efficiently(效率高地) and more productively than if he or she skips breakfast or eats a very poor breakfast. This fact appears to be especially true if a person’s work involves mental(脑力的) activities. The study showed that if school-children eat fruit, eggs, bread and milk before going to school, they will learn more quickly and will be able to concentrate on their lessons for a longer period of time than if their breakfast is inadequate(不丰富).
The study also showed that contrary to what people believe, if you skip breakfast, you will not lose weight. This is because people become so hungry if they skip breakfast that they eat too much for lunch and end up gaining weight instead of losing. So remember, if you want to lose weight, skipping breakfast will not help you. You will likely lose more weight if you decrease your other meals.
小题1: According to experts, breakfast is the most important meal of the day because _____.
A.a good breakfast breaks you down fast
B.you’ll lose weight quickly if you skip breakfast
C.breakfast provides what a person needs to work
D.after a long night, you’ll feel very hungry
小题2:The underlined part “substitute a cup of coffee for a well balanced meal”(Para. 2) probably means _______.
A.to exchange a cup of coffee for a well balanced meal.
B.To drink a cup of coffee instead of a well balanced meal.
C.To change a cup of coffee into a well balanced meal.
D.To regard a cup of coffee as a well balanced meal.
小题3:The example of school-children in para.3 shows that _______.
A.school-children will be quick and attentive all day if they eat breakfast
B.a proper breakfast will make mental workers more efficient
C.fruit, eggs, bread and milk are the best breakfast for mental workers
D.school-children who have breakfast are much brighter than those who don’t
小题4:Which of the following is NOT true according to Para. 4?
A.Some people skip breakfast because they want to be slimmer.
B.Most people who skip breakfast actually eat more for lunch.
C.People put on weight because they eat too much breakfast.
D.Skipping breakfast won’t help people who want to lose weight.
小题5:The best title of the passage is _______.
A.How to Lose WeightB.What’s a Healthy Diet
C.Surprising Results of a StudyD.Breakfast – A Meal That Breaks You Fast

题型:不详难度:| 查看答案
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