Mountain climbing has appealed    1    many people. With more and more mountain climbing    2    (sight) developed, people are getting more chances to experience this exciting sport.

Those who aren’t brave enough to climb a mountain but still want to get a similar experience can go for man-made rock climbing wall. While mountain climbing is more difficult and dangerous and needs    3    (great) focus, the man-made rock climbing wall is less dangerous as the person just needs to climb a cliff(悬崖)    4    is not so high as a mountain.

Climbing man-made rock wall doesn’t need much skill and can    5    (do) with the help of a coach even if you don’t have any knowledge about the sport. However, those    6    (plan) to go for mountain climbing must have information about how this sport is carried out, though they needn’t learn the knowledge of mountain climbing    7    (thorough).

It is also important    8    (make) sure that you are fit to take part in this sport.    9    is suggested that you speak to someone with the first-hand experience of mountain climbing before planning to take up the sport.

I have tried climbing man-made rock wall with incredible    10    (brave) and the experience is very good. I would also like to try mountain climbing and I need to get enough courage for it first.

Ball games are a big source of modern amusement. But they're nothing new. For instance, consider a 4,500-year-old ball     1    (find) in a child's tomb in Egypt or 3.600-year-old rubber balls from Central America-where the competitors were asked to play the balls with their hips(臀部）.

So far, researchers     2    (make) sure of a date of the oldest sporting balls in Europe or Asia: three balls, dug up from the tombs of horsemen in the deserts of northwestern China and crafted three thousand     3    (year) ago.

＂We are quite sure they were used in some sort of bat-and-ball game."Patrick Wertmann is an expert at the University of Zurich     4     analyzed the ancient sporting equipment. The balls are about three inches in diameter and filled     5    leather hair. “And then, also,     6    (look) at the Chinese character of "ball" itself, you'll find it quite     7    (interest) because this character is made up of the ideograms(表意文字）of hair and leather.”

As for how this ancient ball-and-stick game     8     （play)? “lt could be something like polo. But it could also be something like     9     early form of golf.

Since we don't have any textural evidence and we don't have any sticks from the same period, we don't really know     10    （exact).”

Over the past twenty years, Zhang Dewu has never missed swimming in the frozen (冰冻的) Songhua River on a winter day. The 70-year-old man     1     (fall) in love with winter swimming when he first tried it 20 years ago. The extremely cold and strong winds on the river don't prevent him—in fact, the extreme experience is     2     whole point. Before diving into the icy river, Zhang will do some warm-up exercises, like jogging or     3     (water) his body with room-temperature water.

A swing (秋千) could be important for learning, according to one girls’ school. At Brighton Girls, a private school for children     1     (age) 4-18, a swing is to be installed in the sixth-form study center after some of the teenagers asked for one.

After some research, the headmistress, Rosie McColl, said she discovered a swing would be     2     (benefit). She said, “I knew     3     student in a previous school who used to go out and swing in a park between lessons.     4     (current), what we are doing is bringing the swing into the school     5     (help) build a culture. This leads to better results     6     students in terms of both their wellbeing and academic achievement.”

Recent studies show physical activity can improve brain function as well as calming the mind and body, at a time when     7     (anxious) among teenagers is at record levels. So far, McColl’s decision     8     (support) by parents, including Sam Cartwright-Hatton, a psychologist at Sussex University,     9     wrote a letter to the government before schools returned in September calling for new, more creative lessons to help children settle back into class.

McColl advises students     10     (prepare) for exams over the Christmas holiday to find a swing in a local park between revision classes. “No one is ever too old to go on the swings, to play, to think and to dream,” she said.

Exercise is one of the most important     1    (part)of keeping your body at a healthy weight. We also know that staying fit and healthy is very vital. Exercise can help prevent weight gain. If you can’t afford to pay the gym     2    visit every day, don’t worry—just become active throughout the day.

When you exercise    3    (regular), you are in better chances of     4    (improve)your mood(心情). It can also increase your confidence. Besides, it will better your appearance,     5    means your body will be in good shape. Regular exercise is also good     6    physical fitness and good health. Apart from weight control, exercise can also delay your aging process.

    7    you don’t exercise, your muscles will become very weak. Also, your heart and lungs might not    8    (function) as well and you are more likely to get injured. Inactivity is as much of a health risk as smoking.

Make sure that an exercise plan     9     (make), so you can know when and what you should do. However, don’t over-exercise yourself because doing too much exercise on a daily basis will have    10    (harm)results.

Have you ever had the desire to try skydiving or bungee jump off a bridge? Some find such adventurous activities quite attractive     1     others avoid them like the deadly disease. Vida, a communication specialist from the Philippines who now lives in Beijing, is no doubt     2     former. Having gone bungee jumping and ziplining, Vida clearly has a passion for these adventurous activities.

One of the     3    (scare) moments came from zorbing (太空球运动)－an activity in which the participants are strapped (捆住) inside a large, plastic, inflatable ball and roll downhill. “One of my straps     4     (fall) off 'mid-zorb' so I was afraid I'd get unstrapped and end up     5    (bounce) around a ball and banging into my friend who was also strapped inside."   

While there is     6     (definite) fear in these activities, there is also an opportunity to gain a sort of independence and     7    (confident). For Sarah, a US native living in Beijing, her experience of bungee jumping at Victoria Falls, Zambia, was incredibly rewarding. Unlike paragliding (滑翔伞运动) or skydiving,     8     you may be partnered with an experienced professional, she has to do it all     9     herself. “It required me to be brave enough     10    (get) up on that bridge and jump, without the help or assistance of anyone else," Sarah said.

Vida often thinks of the Helen Keller quote: “Life is either a daring adventure or nothing.” She added that “I'd rather have an adventure than experience nothing.”

From China's Changcheng Research Station in the South Pole to Tuktoyaktuk, Canada in the North Pole,   Guizhou runner Bai Bin took 433 days and ran 24,000 kilometers     1     (complete) this journey.

    2       (bear) in Sinan county, Tongren, Southwest China's Guizhou province, Bai     3    (be) a running enthusiast since childhood. In 2006, Bai took 50 days to run from Guiyang to Lhasa. In 2011, Bai took 150 days to run from Istanbul to Xi'an.     4     (he) previous experience in grueling sports laid the foundation for him to push his limits. In 2018,     Bai and his friend Li Zhenyu     5    (plan) the route for running from the South Pole to the North Pole. According to the plan, the route will be by way of 219       6     (city) and towns in 14 countries. His journey started on March 2. 2018. In addition to       7    (run) , the extreme environment posed a major challenge for him.    8    the help of his team, local citizens, and overseas Chinese, Bai overcame massive difficulties and arrived in the North Pole on May 8.

However, Bai is continuing on to    9    new challenge. Next, he plans to cross the Bering Strait from the Arctic Ocean and run back to Xi'an,     10     climb Mount Qomolangma.

Regular exercise can increase your body's energy consumption and it is also a great way    1    (improve) your productivity and mental focus throughout the day. The increased energy levels that occur as a result of exercise     2    (be) also likely to lead to more active habits throughout the day, such as taking the stairs rather than the lift, or    3    (walk) to speak to workmates instead of emailing. This increased activity will then bring physical and mental benefits.

Physical activity can help us to improve the     4     (long) and the quality of our sleep, which will in turn make further contributions    5    our health and well being. While there is no absolute figure we should aim for in terms of sleep time, most people will find that they fall somewhere between six to nine hours a night. Quality is    6    (sure) more important than quantity.

Regular physical activity can help us to manage life's stress much    7    (well) as a distraction technique. As discussed, exercise can help you achieve a more positive outlook as well as improving sleep quality, both of     8     are important in managing stress. Also,    9     is thought that exercise can help to improve our ability to activate the control centers in our brain and the nervous system, which is very    10     (help) when we are under stress.

There is a growing interest in rock climbing. Recently there    1    (be) an improvement in technology and techniques to perform it. The sport is getting more    2    (attract) to many people. Although rock climbing has risks and physical challenges, people still have several reasons to take it up.

Some sportsmen feel that rock climbing can never become boring. This is because you have different places to go climbing. Additionally, there are several challenging routes to climb. If you are tired    3    walls at your location, you may visit elsewhere    4    (experience) other challenging walls.

    5    (obvious), it offers great fun and adventure to people when they go high up on walls. When they push themselves beyond the expected limits, they get    6    sense of achievement. Many people feel that rock climbing also gives them a feeling of    7    (free), as they can go wherever they want.

There are many sportsmen    8    also lake rock climbing as a physical challenge where they always move up the levels. After    9    (cross) a set level, they move to the next and then to the next. And they can always give a fight to their previously achieved    10    (goal). It all depends on their physical fitness and skill levels.

My dad is an enthusiastic(狂热的) runner who     1    (great) influenced me when I was young. So I was very sporty before the age of 14. However, when my family moved, my new school didn’t pay much attention     2    sports and had no after­school activities like football or running. Over the next few years, I stopped exercising apart from during Physical Education lessons at school. I looked like I was     3    (health); however, I was not.

One day, I was late for a bus, tried to run after it and in under a minute was out of breath! This made me realize how unfit I was.     4    (help) myself get in shape again, I made a(n)     5    (decide) that I would take up a kind of sport.

A friend of     6    (I) suggested a swimming pool close to my house     7    she goes to a few times a week. Now, I’m a swimming lover! I find swimming in the pool very     8    (relax). I swim for an hour three times a week. I hope     9    I will soon start to feel the benefits of regular exercise, and will become     10    (fit) than before.