游客
题文

People have smoked cigarettes for a long time now. The tobacco which is used to make cigarettes was first grown in what is now part of the United States. Christopher Columbus, who discovered America, saw the Indians smoking. Soon the dried leaves were transported to Europe . In the late 1800s, the Turks made cigarettes popular.
Cigarette smoke contains at least two harmful substances, tar and nicotine. Tar, which forms as the tobacco burns, damages the lungs and therefore affects breathing. Nicotine, which is found in the leaves, causes the heart to beat faster and increases the breathing rate. Nicotine in large can kill a person by stopping a person’s breathing muscles. Smokers usually take in small amounts that the body can quickly break down.
Nicotine can make new smokers feel dizzy(头晕) or sick to their stomachs. The heart rate for young smokers increases 2 to 3 beats per minute. Nicotine also lowers skin temperature and reduces blood flow in the legs and feet. It plays an important role in increasing smokers’ risk of heart disease and stroke.
Smoking cigarettes is dangerous. Cigarette smoking was the cause of lung cancer and several other deadly diseases.
.
Tobacco first appeared in_________.

A.Asia B.Africa
C.Europe D.America

.
What is the main purpose of the first paragraph?

A.To tell us the bad effects caused by smoking cigarettes
B.To introduce the history of smoking
C.To let us know what the cigarettes are made from
D.To tell the readers that Columbus found the Indians smoking

.
._________doesn’t make one’s heart beat as usual.

A.Tar B.Nicotine
C.Lung disease D.Leave

.
The following effects are caused by Nicotine EXCEPT that________.

A.It can make new smokers feel dizzy or sick to their stomachs
B.It lowers skin temperature
C.It causes the heart to beat less fast
D.Nicotine will probably kill a person if a smoker takes in too much of it.

.
What’s the main idea of this passage?

A.Where did cigarettes come from?
B.The effect of smoking on your body.
C.How to smoke is healthy?
D.Who is the first smoker?
科目 英语   题型 阅读理解   难度 较易
登录免费查看答案和解析
相关试题

My work is done.” Those words were some of the last penned by George Eastman. He included them in his suicide note. They mark an ignoble end to a noble life, the leave taking of a truly great man. The same words could now be said for the company he left behind. Actually, the Eastman Kodak Company is through. It has been mismanaged financially, technologically and competitively. For 20 years, its leaders have foolishly spent down the patrimony of a century’s prosperity. One of America’s bedrock brands is about to disappear, the Kodak moment has passed.
But George Eastman is not how he died, and the Eastman Kodak Company is not how it is being killed. Though the ends be needless and premature, they must not be allowed to overshadow the greatness that came before. Few companies have done so much good for so many people, or defined and lifted so profoundly the spirit of a nation and perhaps the world. It is impossible to understand the 20th Century without recognizing the role of the Eastman Kodak Company.
Kodak served mankind through entertainment, science, national defense and the stockpiling of family memories. Kodak took us to the top of Mount Suribachi and to the Sea of Tranquility. It introduced us to the merry old Land of Oz and to stars from Charlie Chaplin to John Wayne, and Elizabeth Taylor to Tom Hanks. It showed us the shot that killed President Kennedy, and his brother bleeding out on a kitchen floor, and a fallen Martin Luther King Jr. on the hard balcony of a Memphis motel. When that sailor kissed the nurse, and when the spy planes saw missiles in Cuba, Kodak was the eyes of a nation. From the deck of the Missouri to the grandeur of Monument Valley, Kodak took us there. Virtually every significant image of the 20th Century is a gift to posterity from the Eastman Kodak Company.
In an era of easy digital photography, when we can take a picture of anything at any time, we cannot imagine what life was like before George Eastman brought photography to people. Yes, there were photographers, and for relatively large sums of money they would take stilted pictures in studios and formal settings. But most people couldn’t afford photographs, and so all they had to remember distant loved ones, or earlier times of their lives, was memory. Children could not know what their parents had looked like as young people, grandparents far away might never learn what their grandchildren looked like. Eastman Kodak allowed memory to move from the uncertainty of recollection, to the permanence of a photograph. But it wasn’t just people whose features were savable; it was events, the sacred and precious times that families cherish. The Kodak moment, was humanity’s moment.
And it wasn’t just people whose features were savable; it was events, the precious times that familes cherish. Kodak let the fleeting moments of birthdays and weddings, picnics and parties, be preserved and saved. It allowed for the creation of the most egalitarian art form. Lovers could take one another’s pictures, children were photographed walking out the door on the first day of school, the person releasing the shutter decided what was worth recording, and hundreds of millions of such decisions were made. And for centuries to come, those long dead will smile and dance and communicate to their unborn progeny. Family history will be not only names on paper, but smiles on faces.
The cash flow not just provided thousands of people with job, but also allowed the company’s founder to engage in some of the most generous philanthropy in America’s history. Not just in Kodak’s home city of Rochester, New York, but in Tuskegee and London, and at the Massachusetts Institute of Technology. He bankrolled two historically black colleges, fixed the teeth of Europe’s poor, and quietly did good wherever he could. While doing good, Kodak did very well. Over all the years, all the Kodakers over all the years are essential parts of that monumental legacy. They prospered a great company, but they – with that company – blessed the world.
That is what we should remember about the Eastman Kodak Company.
Like its founder, we should remember how it lived, not how it died.
History will forget the small men who have scuttled this company.
But history will never forget Kodak.
According to the passage, which of the following is to blame for the fall of Kodak?

A.The invention of easy digital photography
B.The poor management of the company
C.The early death of George Eastman
D.The quick rise of its business competitors

It can be learnt from the passage that George Eastman.

A.died a natural death of old age.
B.happened to be on the spot when President Kennedy was shot dead.
C.set up his company in the capital of the US before setting up its branches all over the world.
D.was not only interested in commercial profits, but also in the improvement of other people’s lives.

Before George Eastman brought photography to people, .

A.no photos has ever been taken of people or events
B.photos were very expensive and mostly taken indoors
C.painting was the only way for people to keep a record of their ancestors.
D.grandparents never knew what their grandchildren looked like.

The person releasing the shutter (Paragraph 5) was the one.

A.who took the photograph
B.who wanted to have a photo taken
C.whose decisions shaped the Eastman Kodak Company
D.whose smiles could long be seen by their children

What is the writer’s attitude towards the Eastman Kodak Company?

A.Disapproving B.Respectful C.Regretful D.Critical

Which do you think is the best title for the passage?

A.Great Contributions of Kodak B.Unforgettable moments of Kodak
C.Kodak Is Dead D.History of Eastman Kodak Company

I lost my sight when I was four years old by falling off a box car in a freight yard in Atlantic City and landing on my head. Now I am thirty two. I can slightly remember the brightness of sunshine and what color red is. It would be wonderful to see again, but a calamity(灾难) can do strange things to people. It occurred to me the other day that I might not have come to love life as I do if I hadn't been blind. I believe in life now. I am not so sure that I would have believed in it so deeply, otherwise. I don't mean that I would prefer to go without my eyes. I simply mean that the loss of them made me appreciate the more what I had left.
Life, I believe, asks a continuous series of adjustments to reality. The more readily a person is able to make these adjustments, the more meaningful his own private world becomes. The adjustment is never easy. I was totally confused and afraid. But I was lucky. My parents and my teachers saw something in me--a potential to live, you might call it--which I didn't see, and they made me want to fight it out with blindness.
The hardest lesson I had to learn was to believe in myself. That was basic. If I hadn't been able to do that, I would have collapsed (崩溃) and become a chair rocker on the front porch for the rest of my life. When I say belief in myself I am not talking about simply the kind of self confidence that helps me down an unfamiliar staircase alone. That is part of it. But I mean something bigger than that: an assurance(确信) that I am, despite imperfections, a real, positive person; that somewhere in the sweeping, intricate(错综复杂的) pattern of people there is a special place where I can make myself fit.
It took me years to discover and strengthen this assurance. It had to start with the simplest things. Once a man gave me an indoor baseball. I thought he was making fun of me and I was hurt. "I can't use this." I said. "Take it with you," he urged me, "and roll it around." The words stuck in my head. "Roll it around! "By rolling the ball I could hear where it went. This gave me an idea how to achieve a goal I had thought impossible: playing baseball. At Philadelphia's Overbrook School for the Blind I invented a successful variation of baseball. We called it ground ball.
All my life I have set ahead of me a series of goals and then tried to reach them, one at a time. I had to learn my limitations. It was no good to try for something I knew at the start was wildly out of reach because that only invited the bitterness of failure. I would fail sometimes anyway but on the average I made progress.
We can learn from the beginning of the passage that _______

A.the author lost his sight because of a car crash.
B.the author wouldn't love life if the disaster didn't happen.
C.the disaster made the author appreciate what he had.
D.the disaster strengthened the author's desire to see.

What's the most difficult thing for the author?

A.How to adjust himself to reality.
B.Building up assurance that he can find his place in life.
C.Learning to manage his life alone.
D.How to invent a successful variation of baseball.

According to the context, "a chair rocker on the front porch" in paragraph 3 means that the author __________

A.would sit in a rocking chair and enjoy his life.
B.would be unable to move and stay in a rocking chair.
C.would lose his will to struggle against difficulties.
D.would sit in a chair and stay at home.

According to the passage, the baseball and encouragement offered by the man _____

A.hurt the author's feeling.
B.gave the author a deep impression.
C.directly led to the invention of ground ball.
D.inspired the author.

What is the best title for the passage?

A.A Miserable Life B.Struggle Against Difficulties
C.A Disaster Makes a Strong Person D.An Unforgetable Experience

Below is some advice on how to prevent cancer:
8 Ways to Avoid Cancer in Your Life
1. Eat Blueberries
Aside from being a healthy and delicious snack, blueberries contain pterostilbene, which has important colon(结肠) cancer-fighting prosperities. But wait, it gets better. Blueberries also offer a large dose of vitamins C (14 milligrams per cup). So at breakfast, try to take in a cup and a half of blueberries in your cereal or yogurt, or mixed with other berries.
2. Drink Pomegranate(石榴)Juice
The deep red juice of the pomegranate contains polyphenols, isoflavones and ellagic acid, which together create a powerful anticancer mixture. Most recently, researchers from the University of Wisconsin at Madison has discovered that 16 ounces of pomegranate juice per day also may inhibit the growth of lung cancer.
3. Relax
Feeling stressed or worried? Find ways to relax and you may reduce your chances of developing cancer. Purdue University researchers tracked 1,600 men over 12 years and found that half of those with high levels of worry died during the study period. Only 20 percent of the optimists died before the study were completed, while 34 percent of the extremely anxious men died of some type of cancer. Instead of stressing about the past or future, focus on the present and relax!
4. Take Selenium(硒)
Selenium is well known for its cancer-fighting properties. In a study of almost 1,000 men, researchers from the Journal of the National Cancer Institute found that when men with the lowest initial levels of selenium in their bodies received a daily supplement over a 4 year period, they cut their prostate(前列腺) cancer risk by a remarkable 92 percent. However, it is possible to get too much of a good thing, so monitor your intake of selenium-containing supplements, Brazil nuts, tuna, meats and grains carefully.
5. Eat Sushi(寿司)
Seaweed may not be your idea of a great snack, but it is high in fiber, calcium and iron, and dry, roasted seaweed sheets used in sushi provide the additional benefits of vitamins A and C. Sushi rolls are also high in protein— a typical spicy tuna roll has only 290 calories but packs 24 grams of protein. So don’t skimp(节省)on the Sushi!
6. Enjoy the Outdoors
Vitamin D causes early death of cancer cells. A study published in the American Journey of Clinical Nutrition reported that women who supplemented their diets with 1,000 international. Units of vitamin D every day had a 60 percent to 77 percent lower incidence of cancer ever a four-year period that did women taking a placebo(无效对照剂). Experts recommend supplementing your fun in the sun with 1,100 to 2,000IU of vitamin D each day.
7. Breathe Clean Air
There’s no question that secondhand smoke kills. A recent American Journal of Public Health study showed that nonsmokers working in smoky places had three times the amount of carcinogen(致癌物质) in their urine(尿) than nonsmokers working in smoke-free locations. What’s worse, their levels of the carcinogen rose 6 percent for every hour worked. Nine states have banned smoking in all workplaces, bars and restaurants. The message is clear: Do whatever you can to avoid the cloud of smoke.
8. Break a Sweat
Even a small amount of exercise can offer major cancer-fighting benefits. In a study of 29,110 men published in the International Journal of Cancer, men who exercised just once a week had a percent lower risk of metastasis(转移性) prostate cancer than men who didn’t work out at all. The better the frequency, duration and intensity of the exercise, the bigger the reduction in risk, according to the study.
To prevent yourself from catching colon cancer, you should eat ____ as often as possible.

A.sushi B.blueberries C.pomegranates D.Vitamin D

A person is very likely to catch some type of cancer if ______.

A.he is very fond of exercise every day.
B.he is addicted to smoking
C.he is always feeling extremely stressed or worried
D.he likes to have meals in restaurants

_____ will remarkably reduce the risk of men’s prostate cancer.

A.Having a daily supplement of selenium
B.Drinking a cup of pomegranate juice every day
C.Breathing fresh air now and then
D.Taking exercise at least once a week

If you want to keep cancer away, it is particularly important to ______.

A.have a daily supplement of vitamins B and C
B.try to ignore the secondhand smoking
C.take in as many selenium-containing supplements as possible
D.having exercise as often as possible

Now let us look at how we read. When we read a printed text, our eyes move across a page in short, jerky (急动的)movement. We recognize words usually when our eyes are still when they fixate. Each time they fixate, we see a group of words. This is known as the recognition span(范围)or the visual span. The length of time of which the eyes stop ---the duration of the fixation (定位)----varies considerably from person to person. It also varies within any one person according to his purpose in reading and his familiarity with the text. Furthermore, it can be affected by such factors as lighting and tiredness.
  Unfortunately, in the past, many reading improvement courses have concentrated too much on how our eyes move across the printed page. As a result of this misleading emphasis on the purely visual aspects of reading, numerous exercises have been devised to train the eyes to see more words at one fixation. For instance, in some exercises, words are flashed on to a screen for, say, a tenth or a twentieth of a second. One of the exercises has required students to fix their eyes on some central point, taking in the words on either side. Such word patterns are often constructed in the shape of rather steep pyramids so the reader takes in more and more words at each successive (连续的) fixation. All these exercises are very clever, but it’s one thing to improve a person’s ability to see words and quite another thing to improve his ability to read a text efficiently. Reading requires the ability to understand the relationship between words. Consequently (因此), for these reasons, many experts have now begun to question the usefulness of eye training, especially since any approach which trains a person to read isolated (孤立的) words and phrases would seem unlikely to help him in reading a continuous text.
The time of the recognition span can be affected by the following facts except ________ .

A.one’s familiarity with the text
B.one’s purpose in reading
C.the length of a group of words
D.lighting and tiredness

The author may believe that reading ______.

A.requires a reader to take in more words at each fixation
B.requires a reader to see words more quickly
C.demands an deeply-participating mind
D.demands more mind than eyes

What does the author mean by saying “but it’s one thing to improve a person’s ability to see words and quite another thing to improve his ability to read a text efficiently.” in the second paragraph?

A.The ability to see words is not needed when an efficient reading is conducted.
B.The reading exercises mentioned can’t help to improve both the ability to see and to comprehend words.
C.The reading exercises mentioned can’t help to improve an efficient reading.
D.The reading exercises mentioned has done a great job to improve one’s ability to see words.

Which of the following is NOT true?

A.The visual span is a word or a group of words we see each time.
B.Many experts began to question the efficiency of eye training.
C.The emphasis on the purely visual aspects is misleading.
D.The eye training will help readers in reading a continuous text.

The tune of the author in writing this article is ________

A.critical (批评的) B.neutral (中立的)
C. pessimistic (悲观的 ) D.optimistic

There are two ways to save money traveling. The first way is to get the best deals on the specific things you want. There is a limitation to this type of approach (途径,方法) though. If you find the lowest price on the best hotel in Honolulu at the height of the season, you will save money, but still have a very expensive vacation. Trying to get exactly what you want will generally be an expensive proposition, in travel and in life.
The other approach is to be a true opportunist. This will be difficult for some of you, and entirely unacceptable to others. Nonetheless (尽管如此),the travelers who get to travel the most, go to the widest variety of places, learn the most and do the most, are the opportunists. This will be true until you are so wealthy that you have no monetary (货币的;钱的)limits.
The first time I went to Ecuador, I went there because it was cheap. If it wasn’t, I would have had a great time—somewhere else. The trip lasted a month, and cost $1045, which included airfare and even the $130 fee for a guide to take me to the top or glacier (冰川) covered Mount Chimborazo.
I cut the cost by taking a bus from my home in Michigan to Miami, and back again when I returned from Ecuador. The round-trip ticket cost $158. The round-trip flight to Quito from Miami was only $256, because it was a courier (信使,通讯员) flight, which meant I signed for some luggage(car parts), and could only take carry-on luggage.
Never did I feel deprived, or bored. I had a great time, eating wherever it was cheap and clean, doing all sorts of inexpensive, but interesting things, and traveling across the country to climb Chimborazo. I also met and fell in love with my wife Ana.
Being an opportunist means you’ll have just as much variety, and probably almost everything you want—eventually. You just have to stop trying to get exactly what you want exactly when you want it. If the guide that took me up Chimborazo hadn’t dropped his price from $200 to $130, I would have spent $2 for a bus and gone hiking on EI Altar, another great Andean mountain. That would have left me with enough money for several other minor adventures.
The underlined phrase “the best deals” in the first paragraph probably refers to ______.

A.the best service B. the lowest price
C.the cheapest goods D. the best approaches

The return tickets from his hometown to Quito cost the author ______.

A.$128 B. $256 C. $207 D. $414

The last paragraph was to tell us how to ______.

A.save money for minor adventures
B.cut down traveling costs.
C.deal with different situations
D.become opportunist travelers

It’s suggested that the author _____.

A.went hiking on El Altar
B.traveled with his wife in Ecuador
C.is an opportunist traveler
D.likes traveling around the world

Which of the following can serve as the best title of the passage?

A.Cheap Travel Secrets B. Travel Secrets
C.A Travel Opportunist D. Travel Tips

Copyright ©2020-2025 优题课 youtike.com 版权所有

粤ICP备20024846号