1 . We all know about the health benefits of swimming. It offers a great workout for the body—it builds muscle strength and cardiovascular (心血管) fitness. If you don ‘t mind getting wet, it can be fun, too.
Cold-water swimming, sometimes called wild swimming, involves swimming in natural areas including ponds, rivers and the sea. Jumping in gives a short sharp shock to the body, but many participants say they have got used to it.
But what is it that people are gaining from this cold experience? Doctors say getting into cold water causes a stress response, but when you do it more, your reaction to stress will be reduced. It’s also thought to have a strong calming effect.
So, if you’re convinced that this is for you, take this advice: approach it with caution, swim with a friend, and maybe start in summer, when the water temperatures are higher!
| A．It’s really amazing. |
| B．A cold dip might wake you up. |
| C．The water temperature is a bit higher. |
| D．When did you swim in the river last time? |
| E．But who would enjoy swimming in icy water? |
| F．Cold-water swimming helps cure certain health problems. |
| G．There are bigger benefits to this stress-reducing exercise, though. |
假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的以下作文。文中共有10处语言错误，每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏字符号（∧），并在其下面写出该加的词。
删除：把多余的词用斜线（\）划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
注意：1. 每处错误及其修改均仅限一词；
2. 只允许修改10处，多者（从第11处起）不计分。
The 31st World University Games have been successful held in Chengdu, putting sports back in the spotlight. I’d like to share with you the benefits of sports as well as my personal experiences or feelings about it. Sports do have lots of advantage. Taking exercise helps us build up a strong body. It also makes our well-behaved and confident. Do sports with friends can help us lead colorful life as well. But too many exercise can do more harm than you think, so plan activities properly. I often go running with my father, what I find really fun and cool and sticking on running gives me great satisfaction. Life lay in movement. Let’s take exercise together.
| A．The man should exercise first after he gets up. |
| B．The man can exercise for many times a day. |
| C．The man should first prepare his breakfast. |
| D．The man can exercise when he has time. |
| A．Work out alone. | B．Exercise with someone. | C．Eat breakfast at the café. |
I have changed a lot since I take up running. Before I started running, I seldom did exercise. As a result of, I often fell ill. Once I was very weak that I fell down when having a P.E.class. From now on, I decided to exercise to make me strong. I kept running every morning whenever the weather was like. After running for half year, I found that I seldom caught a cold and I was much healthy than before. So far, I’ve learned that exercise is extreme important. It not only improves my health but also make me feel more relaxed.
| A．Improving health | B．Building muscle | C．Flexibility | D．Weight loss |
7 . For thousands of years, the Chinese have practiced tai chi. This ancient form of mindful martial arts (武术) involves gentle, focused movements and deep breathing. Each posture flows into the next, a connection to the nature of the universe flowing effortlessly with the rhythms of life.
It can improve balance.
Tai chi looks almost like a slow-motion dance as you try to stay balanced as you slowly lift one leg off the ground and set it down.
It aids in reducing stress.
It helps build strength.
When you watch the slow movements of tai chi, it might not seem like a form of martial arts.
It may improve heart health.
You don’t need intense aerobic (有氧的) activity to improve heart health.
| A．You might be unsteady at first. |
| B．It helps to slow down people’s heart rate. |
| C．You can do tai chi just about anywhere. |
| D．But over time, it strengthens muscles and builds the flexibility. |
| E．Even people who hate exercise can improve heart health with tai chi. |
| F．Tai chi combines mental focus with mindful breathing and coordination. |
| G．These movements may seem simple, but they have some great benefits. |
8 . How much physical activity do you do in a week? Are you getting enough exercise? Adults who do exercise for just 150 minutes a week can reduce their risk of serious illness by 50%. Regular exercise reduces the risk of early death by 30%.
Alternatively, if you don't want to spend any money at all, go for a run. The only equipment needed for this is a pair of trainers
Although adults should do two and a half hours of exercise a week, you don't have to do it all at one time.
| A．Divide the time into ten-minute periods! |
| B．You can do a range of activities to keep fit. |
| C．Exercise can be expensive, but it doesn't have to be. |
| D．This lack of regular physical activity is a big concern. |
| E．It also improves your mood, self-esteem and sleep quality. |
| F．Besides, booking a court at off- peak times saves money too |
| G．Similarly, getting off the bus one stop early and walking the extra distance helps. |
| A．Shopping | B．Eating | C．Reading | D．Working out |
10 . This summer, climate change continues to push Earth’s weather to extremes.
Protect your skin — it’s the body’s cooling system. Your skin and related tissues are incredibly designed to move warm blood away from your core to keep your vital organs cool. Any damage to your skin or the underlying tissue prevents your body from being able to air condition itself. To protect your skin, start with sunscreen.
Wear materials that will help your body breathe.
Hydrate before, during and after exercise. Dehydration can really happen to you.
| A．Don’t eat right before you head out. |
| B．Try more heat-friendly forms of exercise. |
| C．The type of suitable clothing you wear can also help you stay cool. |
| D．But high outside temperatures in a dry climate can also be dangerous. |
| E．Is a daytime run or bike ride in hot summer weather OK for our bodies? |
| F．And consider wearing sun-protective clothing that blocks the sun, and include a hat. |
| G．Make sure you are drinking water at least an hour before you head out to exercise. |
