题目内容

People who smoke could lose around one third of their everyday memory, researchers say.

A study by a team at the University of Northumbria has shown that smokers lose more of their memory when compared to non-smokers. And the research also found that those who kicked the habit saw their ability to recollect information restored to almost the same level as non-smokers.

The study involved more than seventy 18-to 25-year-old volunteers and included a tour of the university’s campus. Those who took part were asked to recall(回忆;回想)small details, such as music acts listed to play at the students’ union and tasks completed at various points---known as a real-world memory test.

Smokers performed badly, remembering just 59 percent of tasks. But those who had given up smoking remembered 74 percent and those who had never smoked recalled 81 percent of tasks.

Dr. Tom Heffernan, who leads Northumbria University’s Collaboration for Drug and Alcohol Research Group, said the findings would be useful in anti-smoking campaigns. He said, “Given that there are up to 10 million smokers in the UK and as many as 45 million in America, it’s important to understand the effects that smoking has on everyday cognitive function.”

This is the first time that a study has set out to examine whether giving up smoking has an effect on memory. We already know that giving up smoking has huge health benefits to the body, but this study also shows how stopping smoking can bring a series of benefits to cognitive function. The research will now investigate the effects of second-hand smoking on memory, while Dr. Heffernan will look into third-hand smoking, such as toxins (毒素) left on curtains and furniture.

1.What would be the best title for the passage?

A. The Effects That Smoking Has on Health

B. New Research on Third-Hand Smoking

C. Smokers Have Much Worse Everyday Memory

D. Anti-Smoking Campaigns Are Active Around the World

2.The underlined words, “kicked the habit”, in the second paragraph can be replaced by “___________”.

A. giving up smoking B. smoked at times

C. smoked regularly D. hated smoking

3.What was the real-world memory test like?

A. It needed young volunteers to complete some tasks.

B. It was about making a tour of the university’s campus.

C. It needed volunteers to act at the students’ union.

D. It involved a tour and a process of recalling some details.

4.We can learn from the passage that ___________.

A. America has twice as many smokers as the UK

B. the research findings will help anti-smoking campaigns

C. the effects of second-hand smoking on memory have been found by the study

D. those who have stopped smoking have as good a memory as non-smokers

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Parents and the Young

It is natural that young people are often uncomfortable when they are with their parents.

1. They often think that their parents are out of touch with modern ways, that they are too serious and too strict with their children, and that they seldom give their children a free hand.

It is time that parents often find it difficult to win their children’s trust and they always forget how they themselves felt when young. 2. It is one of their ways to show that they have grown up and they can face any difficult situation. Adults worry more easily. Most of them plan things ahead.

Young people make their parents angry with their choices in clothes, in entertainment and in music. But they do not mean to cause any trouble: It just shows that they feel cut off from the adult’s world, and they have not yet been accepted into their world. 3. And if their parents do not like their music or entertainment or clothes or their way of speech, this will make the young people very happy.

Sometimes you are so proud of yourself that you do not want your parents to say “yes” to what you do. 4. It is natural enough, after being a child for so many years, when you were completely under your parents’ control.

5. If your parents see that you have a high sense of responsibility, they will give you the right to do what you want to do.

A. Parents should understand young people.

B. Young people like to live with their parents.

C. Young people like to act without much thinking.

D. They say that their parents don’t understand them.

E. All you want is to be left alone and do what you like.

F. If you plan to control your life, you’d better win your parents.

G. That’s why young people want to make a new culture of their own.

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It’s normal that people sometimes feel nervous. Everybody gets stressed from time to time. 1. Some ways of dealing with stress 一like screaming or hitting someone一don't solve (解决),much. But other ways, like talking to someone you trust, can lead you to solving your problem or at least feeling better.

Four steps for fighting stress, try taking these four steps, the next time you are stressed:

(1) Get support. When you need help, reach out to the people who care about you. Talk to “trusted adult, such as “parent or other relatives. 2. They might have had similar problems, such as dealing with a test, or the death of a beloved pet.

(2) Don't take it out on yourself. Sometimes when kids are stressed and upset they take it out on themselves. Oh, dear, that's a good idea. Remember that there are always people to help you. Don't take it out on yourself. 3.

(3) Try to solve the problem. After you're calm and you have support from adults and friends, it's time to get down to business. 4. Even if you can't solve it all, you can solve a piece of it.

(4) Be positive. Most stress is temporary(暂时的).Remember stress does go away, especially when you figure out the problem and start working on solving it. These steps aren't magic, but they do work. And if you can stay positive as you make your way through a tough time, you'll help yourself feel better even faster. 5.

A. Ask for a helping hand to get you through the tough situation.

B. Notice your friends' feelings and find a way to help them.

C. Different people feel stress in different ways

D. Ah, it feels so good when the stress is gone.

E. You need to figure out what the problem is.

F. And don't forget about your friends.

G. Then, find a way to calm down.

Sharks have lived in the oceans for over 450 million years. There are now about 360 species of sharks, whose size, behavior, and other characteristics differ widely.

Sharks range in size from the 0.1 meter long dwarf-dog shark to the 18-metre long whale shark — the world’s biggest fish. The whale shark, like two other large shark species — the basking shark and the megamouth shark — are harmless to people because they feed on plants and small aquatic animals.

Sharks have extremely sensitive sense organs. Some sharks can detect the scent(气味) of decaying fish or blood even when it is diluted(稀释) to only one part per million parts of seawater. They can probably hear underwater sounds that originate as far as 3 kilometers away and can tell the direction from which underwater sounds are coming.

Sharks are key predators(肉食动物) in the world’s oceans, helping control the numbers of many other ocean predators. Without sharks, the oceans would be overcrowded with dead and dying fish.

Every year, we catch and kill over 100 million sharks, mostly for food and for their fins. Dried shark fins are used to make shark fin soup, which makes a profit for the sellers. Other sharks are killed for sport and out of fear. Sharks are vulnerable to overfishing because it takes most species 10 to 15 years to begin reproducing and they produce only a few offspring.

Influenced by movies and popular novels, most people see sharks as people-eating monsters. This is far from the truth. Every year, a few types of sharks injure about 100 people worldwide and kill about 25. Most attacks are by great white sharks, which often feed on sea lions and other marine mammals. They sometimes mistake human swimmers for their normal prey, especially if they are wearing black wet suits.

If you are a typical ocean-goer, your chances of being killed by an unprovoked(无缘无故的) attack by a shark are about 1 in 100 million. You are more likely to be killed by a pig than by a shark.

Sharks help save human lives. In addition to providing people with food, they are helping us learn how to fight cancer, bacteria and viruses. Sharks are very healthy and have aging processes similar to ours. Their highly effective immune system allows wounds to heal quickly without becoming infected, and their blood is being studied in connection with AIDS research.

Sharks are among the few animals in the world that almost never get cancer and eye cataracts. Understanding why can help us improve human health. Chemicals extracted from shark cartilage(软骨) have killed cancerous tumors in laboratory animals, and these chemicals may someday help prolong our life.

Sharks are needed in the world’s ocean ecosystems. Although they don’t need us, we need them. We are much more dangerous to sharks than they are to us. For every shark that bites a person, we kill one million sharks.

1.Which statement best expresses the main idea of the article?

A. There are many different species of sharks, but only a few of them are dangerous to humans.

B. Sharks are important to the ocean ecosystem and they are a valuable resource for humans.

C. Although some sharks are dangerous to humans, they can help save human lives.

D. Sharks always eat small fishes and they are an essential part of the world’s oceans.

2.Which question is NOT answered in the article?

A. How long does a shark live?

B. How many people are killed by sharks each year?

C. Why are sharks important in medical research?

D. What do humans kill sharks for?

3.It can be inferred from the passage that ______________.

A. movies have given people the wrong impression of sharks

B. most sharks are dangerous to humans

C. sharks will attack anyone who is wearing black

D. it is very likely that ocean-goers will be killed by a shark

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