A recent survey showed that only 9 percent of teens in the United States smoke cigarettes.That’s down from 23 percent in 2000.While this is good news for the US's overall health, tobacco（烟草）use is still a problem.
Cigarettes can cause many diseases, such as cancer（癌症），lung cliscases and heart problems.Although they know about the health problems, teenagers still smoke.So the campaign of the US Anti-smoking Organization is working to end teenage smoking.Their latest activity uses social media(社交媒体) to remind teenagers of the dangers of smoking.And the activity also encourages teens to learn the facts and become the generation that ends smoking.
However, anti-smoking campaigns may have a new problem to worry about.According to a 2013 report, the use of electronic cigarettes is on the rise.American high school students who reported having used an electronic cigarette rose from 4.7 percent in 2011 to 10 percent in 2012.The increased use of e-cigarettes by teens is deeply troubling.It may become lifelong addictied（上瘾）.Besides, we still don’t yet understand the long-term effects（作用）of e-cigarettes.
根据材料内容，选择最佳答案。（每小题2分，共10分）According to the survey, how many American teenagers smoked in 2000?
| A．9 percent | B．23 percent |
| C．4.7 percent | D．10 percent |
Which of the following disease may not be caused by cigarettes?
| A．skin disease | B．cancer |
| C．lung disease | D．heart disease |
What is the aim of the campaign of the US Anti-smoking Organization?
| A．To end the production of cigarettes. |
| B．To criticize those children who smoke. |
| C．To protect the rights of non-smokers. |
| D．To make an effort to end teenage smoking |
The underlined word “campaign” means _____.
| A．activity | B．newspaper |
| C．movie | D．officer |
What do we know about e-cigarettes?
| A．E-cigarettes are becoming popular among teenagers. |
| B．School students like e-cigarettes more than adults do. |
| C．People won’t let addicted to e-cigarettes. |
| D．E-cigarettes have bad effects on people’s health. |
Today, air travel is far safer than driving a car on a busy motorway. But still there is a danger that grows every year. Airliners get larger and larger. Some airplanes can carry over 300 passengers. And the air itself becomes more and more crowded. If one large airliner struck into another in midair, 600 lives could be lost.
From the moment an airliner takes off to the moment it lands, every movement is watched on radar screens. Air traffic controllers tell the pilot exactly when to turn, when to climb and when to come down.
The air traffic controllers around a busy airport like London, Heathrow may deal with 2,500 planes a day. Not all of them actually land at the airport. Any plane that flies near the airport comes under the orders of the controllers there. Even a small mistake on their part could cause a terrible accident.
Recently such a disaster almost happened. Two large jets were flying towards the airport. One was carrying 69 passengers from Toronto, the other 176 passengers from Chicago. An air traffic controller noticed on his radar（雷达） screen that the two planes were too close to each other. He ordered one to turn to the right and to climb. But he made a mistake. He ordered the wrong plane to do this. So, instead of turning away from the second plane the first plane turned towards it. Fifteen seconds later, it flew directly in front of the second plane. They avoided each other by the smallest part of a second. The distance between them was less than that of a large swimming pool. This is an example of the danger that grows every year.The air traffic controllers of an airport _______.
| A．control all the planes flying near the airport |
| B．give orders to planes leaving the airport |
| C．only deal with the planes that want to land there |
| D．are allowed to handle 250 planes a day |
The danger of air crashes（碰撞） grows every year because ________.
| A．airliners are getting larger and air traffic is becoming heavier |
| B．a pilot does not always hear a controller’s order |
| C．a controller is likely to make more and more mistakes |
| D．airports can hardly serve the growing number of airplanes |
The example in the passage is to show that _______.
| A．air traffic controllers are often careless |
| B．air traffic controllers should pay much attention to avoiding accidents |
| C．it is difficult for airplanes to avoid terrible accidents |
| D．two planes should not fly too close to each other |
Many people go to school for an education. They learn languages, history, geography, physics, chemistry and mathematics. Others go to school to learn a skill so that they can make a living. School education is very important and useful. Yet no one can learn everything from school; no matter how much the teacher knows, he cannot teach his students everything they want to know. The teacher’s job is to show his students how to learn. He teaches them how to read and how to think. So much more is to be learned outside school by the students themselves.
It is always more important to study by oneself than to memorize some facts or a formula(公式).
It is actually quite easy to learn a certain fact in history or a formula in mathematics. But it is very difficult to use a formula in working out a maths problem. Great scientists, such as Einstein, Newton and Galileo didn’t get everything from school. But they were all so successful. They invented so many things for mankind. The reason for their success is that they knew how to study. They read books that were not taught at school. They worked hard all their lives, wasting not a single moment. They would ask many questions at what they read and they did thousands of experiments.What do many people go to school for?
| A．Teaching. | B．Books. |
| C．Learning languages. | D．An education |
The teacher’s job is to teach ______.
| A．everything the students want to know |
| B．students everything he knows |
| C．students some facts or formulas |
| D．students the methods of learning |
Einstein, Newton and Galileo did so many things for mankind because _______.
| A．they learned a lot at school |
| B．they learned everything inside and outside school |
| C．they were so useful |
| D．they went to college and learned from professors |
Cats are creatures of habit. They like to go to sleep about the same time every day and for a certain length of time. They seem to have a natural clock inside them that tells them when to sleep. Cats increase their regular sleep with occasional cat naps(打盹). Some experts feel that humans could also benefit from this habit. Cat naps help to build up energy in the body. They are also a good way to get rid of trouble! Since cats have the same moods as humans, some experts believe that people can improve their moods. People might become happier.
A number of famous people have copied cats by taking cat naps during the day. The naps would usually last from 15 to 30 minutes. Winston Churchill took cat naps. So did Presidents Harry Truman, John F. Kennedy, and Lyndon B. Johnson. These famous men were known for their energy. They were also able to work long hours, often into the night. Napping was their secret.
Naps usually last _________.
| A．three hours | B．less than half an hour |
| C．forty-five minutes | D．fifty-five minutes |
Taking cat naps _________.
| A．will make person lazy and tired |
| B．is a bad habit |
| C．will make people feel better |
| D．can help people to become famous |
Which of the following statements is NOT true?
| A．People should take their naps secretly. |
| B．Cats have the same moods as people. |
| C．Some famous people take cat naps. |
| D．Some people have full energy after they take cat naps. |
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If you want to take a trip to the beach, you should call _______.
| A．800-810-6562 | B．800-820-6222 |
| C．800-820-8188 | D．800-810-5222 |
If you take the "4-Day Beautiful Guilin Private Tour", you will be able to _________.
| A．visit the Great Wall | B．enjoy the river life |
| C．enjoy the spring climate | D．experience city life |
How long will the " Beijing Culture Group Tour" last?
| A．Four days. | B．Five days. | C．A week. | D．Eight days. |
Mrs. Li plans to take the "5-Day Sanya Private Tour" with her two daughters. How much do they need to pay?
A$1,890. B.$1,707. C.$1,644. D.$1,770.
If you take the "____", you will be able to experience different cultures.
| A．4-Day Beijing Culture Group Tour |
| B．8-Day Colorful Yunnan Group Tour |
| C．4-Day Beautiful Guilin Private(私人的) Tour |
| D．5-Day Sanya Private Tour |
There have been many great inventions, things that changed the way we live. The first great invention was one that is still very important today -the wheel. This made it easier to carry heavy things and to travel a long distance.
For hundreds of years after that there were few inventions that had as much effect (作用) as the wheel. Then in the early 1800's the word started to change. There was little unknown land left in the world. People didn't have to explore（探索） much anymore. They began to work hard to make life better. In the second half of the 19th century many great inventions were made. Among them were the camera, the electric light and the radio. These all became a big part of our life today. The first part of the 20th century saw more great inventions. The helicopter (直升飞机) in 1909. Sound movies in 1926. The computer in 1928. And jet planes in 1930. This was also a time when a new material was first made. Nylon came out in 1935. It changed the kind of clothes people wear.
By this time most people had a very good life. Of course new inventions continued to be made. But man now had a desire to explore again. The world is known to man but the stars are not yet. Man began looking for ways to go into space. Russia made the first step. Then the United States took a step. Since then other countries, including China and Japan, have made their steps into space.
In 1969 man took his biggest step away from the earth. Americans first walked on the moon. This is certainly just a beginning thought. New inventions will some day allow us to do things we have never yet dreamed of.This passage talks mainly about ___________.
| A．why cars were very important |
| B．when light was invented |
| C．which country made the first step into space |
| D．how inventions effect people’s life |
Nylon came out nearly at the same time as__________.
| A．radio | B．camera | C．jet plane | D．movies |
Which of the statement is not true?
| A．For hundreds of years after wheel there were many other inventions having as much effect as the wheel. |
| B．America, Russia, Japan and China began to explore the stars before 1969. |
| C．In the early 1800’s people began to work instead of exploring more unknown land to make life better. |
| D．New invention will change our life greatly in the future. |
What does “a desire” mean in the passage?
| A．a good way | B．a new invention |
| C．a strong wish | D．a wonderful idea |
Man didn’t have a desire to explore a lot ______________.
| A．at the beginning of the 1800’s |
| B．in the 1960’s |
| C．since the 1900’s |
| D．from the 1800’s to the 1960’s |
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