Rock climbing is a popular hobby that many people enjoy doing. You can do it indoors on special walls or outdoors on real mountains. There are many advantages of rock climbing—it is fun and it also helps people forget worries.

    The most important equipment(设备)to have is good shoes .They need to be half a size smaller than your usual size. The next thing you need is a harness(保护带)．This allows you to move freely, but will hold you up if you fall .It's important to know how to use your equipment .If you are a beginner, it's best to have lessons. A climber with experience can help you a lot in the beginning.

    Rock climbing is very exciting for people of different ages. Climbers, however, must be careful not to pollute the environment .Sometimes rock climbers leave rubbish on the mountains where they climb. They should take it with them and throw it away. This will allow future climbers to enjoy a clean environment.

    Everyone needs friends. We all like to feel close to someone. It is nice to have a friend to talk, laugh, and do things with. {#blank#}1{#/blank#}We don't always want people around. {#blank#}2{#/blank#} We will feel lonely if we never have a friend.

    Friends sometimes don't get on well. Most of the time they will make up and become friends again. When friends move away, we feel very sad. {#blank#}3{#/blank#}Then we call them or write to them. We can even see them again someday. {#blank#}4{#/blank#}It's surprising to find out how much we like new people when we get to know them.

    There's more good news for people who have friends. They live longer than people who don't. Why? It could be that they are happier. {#blank#}5{#/blank#} Or it could be just knowing that someone cares. If someone cares about you, you'll take better care of yourself.

    On Sept, 19,2014 Alibaba went public on the New York Stock Exchange (纽约证券交易所), raising $25 billion through an IPO (公司股票的首次公开发行), the biggest in the US history. It shows that Ma Yun has done his business successfully. The short Chinese man seems to be the tallest in the world right now. Ma, who was an English teacher, has become one of the richest men on the Chinese mainland.

    Born in Hangzhou, Zhejiang, Ma grew up as a happy kid. At the age of 12, he wanted to learn English. Every morning, he woke up at 5 a. m., cycling 40 minutes to a hotel near the West Lake where he could chat with foreign tourists.

    On a trip to the US in 1995, Ma was shown the Internet for the first time. Seeing the chance, Ma returned to China and set up a website called China Pages without even knowing much about computers.

    Four years later, 18 people including Ma, his wife and his friends founded Alibaba in Hangzhou. People called him "Crazy Jack Ma". But 15 years later, Alibaba has developed into the world's largest e-commerce (电子商务) company.

    No one thinks he's mad now. Ma's favorite line has been printed on Alibaba's souvenir T-shirts. It reads, "Everybody should have a dream. What if that dream comes true?"

    Every four years, the best players from all over the world get together in one city to ①________ the world sports meeting the Olympic Games. People carry the holy flame from one place to the nest. On August 6th, 2008, they carried the holy flame to Beijing. All the Chinese people were very happy, excited and proud.

    In Beijing, we built a new Olympic Village with restaurants for players and stadiums for matches.

    The motto of the Olympics is "Faster, higher, stronger". The slogan (标语，口号) of the Beijing Olympics is "②________".