1 . Running is often tiring and a lot of hard work, but nothing beats the feeling you get after finishing a long workout around the track.
But while it’s long been believed that endorphins (内啡肽) —chemicals in the body that cause happiness—are behind the so-called “runner’s high”, a study suggested that there may be more to this phenomenon than we previously knew.
According to a recent study published by a group of scientists from several German universities, a group of chemicals called endocannabinoids (内源性大麻素) may actually be responsible for this familiar great feeling.
To test this theory, the scientists turned to mice. Both mice and humans release high levels of endorphins and endocannabinoids after exercise. After exercising on running wheels, the mice seemed happy and relaxed and displayed no signs of anxiety. But after being given a drug to block their endorphins, the mice’s behavior didn’t seem to change. However, when their endocannabinoids were blocked with a different drug, their runners’ high symptoms seemed to fade.
“The long-held notion of endorphins being responsible for the runner’s high is false. Endorphins are effective pain relievers, but only when it comes to the pain in your body and muscles you feel after working out,” Patrick Lucas Austin wrote on science blog Lifchacker.
Similar studies are yet to be carried out on humans, but it’s already known that exercise is a highly effective way to get rid of stress or anxiety. The UK’s National Health Service even prescribes (开药 方) exercise to patients who are suffering from depression. “Being depressed can leave you feeling low in energy, which might put you off being more active. Regular exercise can improve your mood if you have depression, and its especially useful for people with mild to moderate (中等的) depression,” it wrote on its website.
It seems like nothing can beat that feeling we get after a good workout, even if we don’t fully understand where it comes from. At least if we’re feeling down, we know that all we have to do is to put on our running shoes.
1. What did scientists from German universities recently discover?| A．Working out is a highly effective way to treat depression. |
| B．The runner’s high could be caused by endocannabinoids. |
| C．Endorphins may contribute to one’s high spirits after running. |
| D．The level of endorphins and endocannabinoids could affect one’s mood. |
| A．To find what reduces the runner’s high symptoms. |
| B．To see the specific symptoms of the runner’s high. |
| C．To identify what is responsible for the runner’s high. |
| D．To test what influences the level of endocannabinoids released. |
| A．Effect. | B．Goal. | C．Opinion. | D．Question |
| A．They can help ease depression symptoms. |
| B．They are the best way to treat depression. |
| C．They only work for those with serious depression. |
| D．They can help people completely recover from depression. |
2 . Sportsmen in the running races of the Olympics are great athletes, but even the slow runners of the running world — joggers in the park — have good health. A study out this week in the Journal of the American College of Cardiology finds that even 5 to 10 minutes a day of slow running is enough to extend life by several years, compared with not running at all.
The new study focused on a group of more than 55, 000 men and women aged 18 to 100. About a quarter of them were runners. Over 15 years, those who ran just 50 minutes a week or fewer at a slow speed were less likely to die from either cardiovascular (心血管的) disease or other causes, compared with those who didn’t run at all.
The study suggests relatively low efforts are necessary to benefit from jogging, but it can be better to exercise more often. “A little bit is good but a little more is probably better,” says Dr. Aaron Baggish. A 2013 study in Denmark suggested that the secret of maximum longevity is up to 2. 5 hours of running a week.
Although running can make you less likely to have cardiovascular disease, it doesn’t entirely take the risk away from you. “There is no question that the healthier you are and the more exercise you do, the longer you’ll live and the better your quality of life will be,” Dr. Baggish says. “But it doesn’t mean you’ll never get sick.”
“Many long-term runners do not run because they want to live longer,” Dr. Baggish notes. “They run because it makes them feel better every day.”
For these runners, the cost of feeling good can be injuries, so Dr. Baggish supports the value of what he calls “active rest.” His belief, not supported by any recent research, is that it’s a good idea to spend 25% of exercise time over the course of a year running at a slow speed or doing other activities like swimming or biking.
1. What does the new study mainly show us?| A．The best way to run. | B．The best time to run. |
| C．The importance of running. | D．The popularity of running. |
| A．It can result from running often. | B．It’s not completely preventable. |
| C．It’s not so serious as most people think. | D．It can be treated by some kind of exercise. |
| A．Staying active all the time. | B．Swimming more, run less. |
| C．Having a big rest after doing sports. | D．Taking a little light exercise. |
| A．Health. | B．Business. | C．Society. | D．Medicine. |
3 . Staying fit is a great way to improve your mood and physical health. With some simple tricks, you can stay fit for years to come!
Start walking, jogging or cycling
No matter what your speed is, walking, jogging and cycling are very important parts of a healthy lifestyle.
Come up with a daily walking, jogging or cycling routine that fits with your schedule first. After a while you can increase your distance, speed and the length of your workout.
Exercise in the classroom .
Not everyone has the time or money to go to the gym and there is no need to.
Sit-ups. Sit-ups can be done by simply laying on the ground or with a chair or exercise ball.
Push-ups.
Join a school sports team
Joining a school sports team may be a great way to get outside, move around and have some fun!
| A．Go out of your way to walk more |
| B．The most popular school sports are basketball and football |
| C．Working out in the classroom is very easy and can be very beneficial |
| D．If you like the gym atmosphere then the gym is a great place to stay fit |
| E．Use your weight against the floor or steps to work on your upper body strength |
| F．They are activities that keep your heart and lungs active and your blood flowing |
| G．Many schools have their own sports teams that meet and play in the after-school time |
4 . Ellie was a skilled gymnast（体操运动员）. But she liked showing off（炫耀））. At the gymnastics tryout（选拔赛）, she put on a perfect performance. "See who can do that! " she said proudly.
The next Friday, the list was posted announcing who had made the team. Ellie's name wasn't on it. "It's unfair. I'm better than all the other girls! " she said. She went to see the coach.
"You are quite talented, but your attitude is terrible, " the coach said. "Making the gymnastics team isn't just about gymnastics. It's also about being on a team. " That night Ellie complained to her parents. Her mother was angry, but her father said that the coach had a point. They had a big argument. Ellie couldn't sleep. She kept thinking about what the coach had said.
Ellie couldn't stay away from the gym, so she practiced alone. One day, after watching Ann fall off the parallel bars（双杠）again and again, Ellie ran to her and explained to Ann what she was doing wrong. Ann did as Ellie suggested and improved. Ellie didn't notice the coach was looking at her. Over the next few months, Ellie always helped the other girls. They did better and better. "We couldn't have done this without Ellie's help, " the girls said.
The following year, Ellie tried out for the gymnastics team again. This time, she was modest. When the girls praised her, she just smiled and thanked them. When the coach posted the list of who had made the team, her name was on it. Ellie and the other girls were all very happy.
1. How did Ellie feel when she went to see the coach?| A．Angry. | B．Happy. | C．Proud. | D．Nervous. |
| A．she slept too much in the afternoon |
| B．she had an argument with her mother |
| C．she was worried about the gymnastics tryout |
| D．she was thinking about the meanings of the coach's words |
①Ellie practiced alone. ②Ellie's parents argued.
③Ellie coached other girls. ④Ellie showed off at the gymnastics tryout.
| A．③①④② | B．③④②① | C．④②①③ | D．④①③② |
| A．A serious coach | B．A gymnastics team | C．Gymnastics tryouts | D．Gymnastics competitions |
5 . When I was in my fourth year of teaching，I was also（and am still）a high school track and field coach（田径教练）. One year，I had a student，John，who entered my class when he was a junior. John changed to our school from Greece，and seemed to be interested in sports，so I encouraged him to join our track team. I explained to him that even though he had never taken part in it before，I did believe that he could do well in any event，and that I would be willing to coach him in whichever ones interested him. He accepted the offer，and began to work hard at every practice.
About a month later，I had found out from other sources that John was a first-class tennis player，winning various junior awards in his home country. I went to him asking，“John，I really appreciate that you came out for the track team，but why didn’t you play tennis instead？It seems that would interest you a lot more，since you’re so good at it.”John answered，“Well，I like tennis，but you told me that you believed in me，and that you thought I could do well in track，so I wanted to try it for that reason.”
From then on，I often remember my student’s reply. I told it to a friend and she suggested I write it down to share somewhere with more teachers. No matter how critical（挑剔的）students can be of themselves，I’ve found that a simple“I trust that you can do it！”can go a long way！
1. According to Paragraph 1，what did the author seem to think more about？| A．John’s PE marks. |
| B．John’s self-confidence. |
| C．John’s interest in sports. |
| D．John’s state of health. |
| A．He had been an excellent runner. |
| B．He was encouraged by his teacher. |
| C．He liked running more than tennis. |
| D．He had no tennis coach to train him. |
| A．To build a close teacher-student relationship. |
| B．To introduce a new way of sports training. |
| C．To explain the value of sports. |
| D．To show the importance of encouragement. |
| A．Teachers. | B．Parents. |
| C．Students. | D．Players. |
First, you must ask yourself, “Where is the wind coming from? Is it coming from ahead or behind or from the side?” You must think about this all the time on the boat. The wind direction tells you what to do with the sail.
Let’s start with the wind blowing from the behind. This means the wind and the boat are going in the same direction. Then you must always keep the sail outside the boat. It should be at a 90° angle (角度) to the boat. Then it will catch the wind best.
If the wind is blowing from the side, it is blowing across the boat. In this case, you must keep the sail half way outside the boat. It should be at a 45° angle to the boat. It needs to be out far enough to catch the wind, but it shouldn’t flap (摆动). It shouldn’t look like on a flagpole. If it is flapping, it is probably out too far, and the boat will slow down.
Sailing into the wind is not possible. If you try, the sail will flap and the boat will stop. You may want to go in that direction. It is possible, but you can’t go in a straight line. You must go first in one direction and then in another. This is called tacking. When you are tacking, you must always keep the sail inside the boat.
1. What should you consider first while sailing?
| A．Sailors’ strength. | B．Wave levels. |
| C．Wind directions. | D．Size of sails. |
| A．The boat. | B．The wind. | C．The sail. | D．The angle. |
| A．Move in a straight line. | B．Allow the sail to flap. |
| C．Lower the sail. | D．Tack the boat. |
| A．In a popular magazine. | B．In a tourist guidebook. |
| C．In a physics textbook. | D．In an official report. |
The most popular sport in England is football． Football is played on Saturday afternoon in most towns and the supporters（球迷）of a certain team will travel from one end of the country to the other to see their team play． There are four divisions（级别）of the football league．Not surprisingly the best teams are in the first division． But the best supporters are often in the fourth division． You have to be a good supporter to watch the fourth division football!
Many other sports are also played in England, such as golf, in which you try to knock a ball into a hole; basketball, in which you try to got a ball through a net（篮筐）; tennis, in which you try to hit a ball so that your opponent（对手）can not hit it． As you see, if the ball had not been invented, there would have been no sport．
Actually（其实）, that is not quite true． Athletics（田径）isn’t played with a ball; nor horseracing（赛马）． Perhaps that is why they are not so popular as football!
1. ________ is the most popular sport in England．
| A．Basketball | B．Football | C．Golf | D．Tennis |
| A．the first | B．the second | C．the third | D．the fourth |
| A．They are too busy． |
| B．They like watching sport on TV． |
| C．They would like to be fat． |
| D．They prefer to be thin． |
| A．They have their football team． |
| B．The sport games are played on Saturday afternoon． |
| C．They like the idea of sport． |
| D．They like the famous players． |
