Once upon a time, in a small town lived a man     1     couldn’t see. Yet, he carried a Lighted lamp wherever he went at night. One night, he came     2     a group of travelers. One of them asked, “Hey, man! You can’t see anything! Why do you carry a lighted lamp then?” The blind man replied, “Yes, unfortunately, I am blind but the lighted lamp I am carrying is for people like you who can see. You may not see me coming and end up     3     (knock) into me. That is why I carry a lighted lamp.”

As you can see, the reason     1     I’m here to tell the story is that I made the right decision. Some time after I left the boat, with my brother in it, it was pulled into the bottom of the whirlpool. Soon after that, the whirlpool became less wild. Then the sky was clear, the wind calmer, and the moon was shining. Still I     2     (tie) to the barrel and the waves soon carried me to an area     3     the other fishermen were. In the end, a boat picked me up. I was very tired. The fishermen were my old friends, but they were unable to recognize me.

China is     1     (wide) known for its ancient civilization     2     has continued all the way through into modern times, despite the many ups and downs in its history. There are many reasons why this has been possible, but one of the main factors has been the Chinese writing system. At the beginning,     3     (write) Chinese was a picture-based language. It dates back several thousand years to the use of longgu-animal bones and shells on    4    symbols were carved by ancient Chinese people.

8 . When I tried out for the football team during the summer before 9th grade, I never imagined how important this sport would become in my life. Football is a _____ sport, at times almost painful, and practices really _____ a team’s physical and mental limits. Without trust in my own ability and a strong sense of commitment, I would never have managed to continue after years of hard work as a player, and with countless _____.

In the first year, I played on the defensive line. This was an amazing _____ that gave me a great sense of achievement. But in the last game of the season, I was seriously injured. I was prohibited from any physical activities for six months. After going _____ a series of physical treatments, I returned to the field as a team captain. I practiced harder than ever to make up for my _____ time.

In September, during my junior year, my name was mentioned in the local newspaper as the key defensive lineman on the team. After playing a fantastic season, I was given the _____ of the Most Valuable Player.

_____, my skills in football do not magically extend to other sports. During the winter break, I went on a snowboarding trip and seriously injured my right shoulder. I had to have four _____. Since I could not use my right arm for two months, I had to learn how to write and eat using my left hand.

______ life must go on. I knew that my own present efforts would decide my future, so I ______ the strict training program to build up strength and improve flexibility in my ______. After an eight-month recovery, I was back to the field playing football, the sport I ______.

In this sense, the world of football has taught me an important life lesson: ______ and commitment make what seems impossible ______. This lesson from football is the one that can be applied to every part of life.

9 . Most people have been taught that losing weight is a matter of simple math. Cut calories — specifically 3,500 calories, and you’ll lose a pound. But as it turns out, experts are learning that this decades-old strategy is actually pretty misguided. “This idea of ‘a calorie in and a calorie out’ when it comes to weight loss is not only outdated, it’s just wrong,” says Dr. Fatima Cody Stanford, an obesity specialist at Harvard Medical School. The truth is that even careful calorie calculations don’t always yield (产生) uniform results.

How your body burns calories depend on a number of factors. Three factors affect how your body processes (加工、消耗) calories.

Your gut microbiome (肠道微生物). Trillions of organisms live in your gut, and the important types may influence how many calories your body absorbs from food. This may occur because some types of organisms are able to break down and use more calories from certain foods than other types of organisms. Researchers have found that people who are naturally thin have different types of organisms living inside them than those who are overweight.

Your metabolism (新陈代谢). Each body has a “set point” that governs weight, says Dr. Stanford. This set point reflects several factors, including your genes, your environment, and your behaviors. A region at the base of your brain stands guard to keep your body weight from dipping below that set point — which is not really a bonus if you’re trying to lose weight.

The type of food you eat. Your food choices may also influence your calorie intake, and not just because of their specific calorie content. One 2019 study published in Cell Metabolism found that eating processed foods seems to spur people to eat more calories compared with eating unprocessed foods.

If counting calories isn’t a dependable way to manage your weight, what can you do to shed extra pounds? Dr. Stanford recommends the following.

●Focus on diet quality. When planning your meals, focus on choosing unprocessed foods, including lean meats, whole grains, and lots of fruits and vegetables in their natural form.

●Exercise regularly. Aim to get at least 150 minutes of moderate-intensity exercise each week. Moderate exercise is done at a level where you can talk, but not sing.

●Consult a professional. “A lot of people believe it’s a moral failing if they are unable to lose weight,” says Dr. Stanford. But it’s not. As with other medical conditions, many people will need help from a doctor. Successful weight loss may require more than just diet and exercise. “Only 2% of people who meet the criteria for the use of anti-obesity medications actually get them. This means that 98% of people who could be treated aren’t,” she says, “Don’t be afraid to seek help if you need it.”

10 . The Teenage Brain

Parents, teachers, and others who deal closely with teenagers know how difficult the adolescent years can be. This was thought to be due to the “foolishness of youth.” Now, brain-imaging technology allows scientists to study the physical development of the brain in more details than ever before. Their discoveries have led a new theory of why teens act this way.

Recently, scientists have discovered that though our brains are almost at their full size by the age of six, they are far from fully developed. Only during adolescence do our brains truly “grow up”. During this time, they go through great changes, like a computer system being upgraded. This “upgrade” was once thought to be finished by about age 12. Now scientists have found that our brains continue to change until age 25. Such changes make us better at balancing impulses with following rules. But a still-developing brain does this clumsily. The result, scientists believe, is the unpredictable behavior seen in teenagers.

The studies show that teens are more likely to take risks. Luckily, the news isn’t all bad. As brain scientist B. J. Casey points out, the teen brain inspires such behavior in order to help teens prepare for adult life.

One way the brain does this is by changing the way teens measure risk and reward (回报).

Researchers have found that when teens think about rewards, their brains release more of the chemicals that create pleasure. Researchers believe this makes the rewards seem more important than the risks, and makes teens feel the excitement of new experience.

Research into the structure of the teen brain have also found that it makes social connection seem especially rewarding. As such, teens have a strong need to meet new people. Because it is still developing, a teen brain can change to deal with new situations. So it connects social rewards with even more pleasure. In this way, the brain encourages teens to have a wide circle of friends, which is believed to make them more successful in life.

Unluckily, this need for greater rewards can sometimes lead teens to make bad decisions. However, it also means that teens are more likely, and less afraid, to try new things or to be independent. And in the long run, the impulses of the teen brain are what help teens leave their parents’ care and live their own life successfully.