Imagine you are taking a walk on thebeautiful beach. Just then, your feet step over something and you hear a crack(噼啪声) —an emptyplastic bottle. Things like this are happening more often because of searubbish.

    Studies show that 80% of all the waste isfrom the land. The waste is mainly plastics (塑料制品)which are really hard to degrade (降解). So the rubbishwill remain there for a long time. Some of the pollution is causedaccidentally. For example, about 10,000 product-filled boxes are lost at seaevery year from business ships. Sometimes people just throw things into thewater from boats or land. Many large rubbish areas are formed in the NorthPacific Ocean.

    Thankfully, the situation isn't ignored (忽视). Groups like the National Oceanic and Atmospheric Administration (NOAA)are taking action to help clean the sea. Since 2006,76 projects have clearedout 3,814 metric tons (公吨) of rubbish from the sea.Methods of rubbish cleaning include using machines to remove (移除) the waste away from the surface of sea water. Besides, specialnets are set by the mouths of rivers to stop the rubbish before it reaches thesea. If everyone does his part, sea rubbish seems like a problem that can besolved.

    Some insects, such as butterflies and ladybugs, are quite beautiful, {#blank#}1{#/blank#}did you know that many insects are also edible(可食用的)?

    Aletheia Price knows this—and a lot more about –about bugs(虫子). She also thinks that you should try {#blank#}2{#/blank#}some. If you visit the website www. eatbug.com, you will find all kinds of{#blank#}3{#/blank#} about edible insects. Most of it was {#blank#}4{#/blank#}by Aletheia Price when he was fifteen years old. Aletheia started eating bugs at the age of thirteen. Soon, she found that she really {#blank#}5{#/blank#}eating some of them. She also became interested in finding out more about which kinds of bugs could be eaten and {#blank#}6{#/blank#}to cook them.

    According to Aletheia, there are at least 1,462 kinds of edible {#blank#}7{#/blank#}. Some of her favorite dishes include mealworm, chocolate, chip, cookies and chocolate-covered crickets(蟋蟀).

    Aletheia knows eating bugs is not for {#blank#}8{#/blank#} . But if you think about it, you may feel that eating bugs is a good {#blank#}9{#/blank#}. There are millions and millions of edible bugs in this world. If you could get to used to eating {#blank#}10{#/blank#}, we would have plenty of food for everyone.

Early to bed and early to rise makes a man healthy, wealthy (富有) and wise (聪明). This is an old English saying. It means that we should go to bed early at night and get up early in the morning. If we do, we shall be healthy. We shall also be rich and clever.

Is this true? Perhaps it is. The body must have enough sleep. Children of your age need ten hours' sleep every night. If you go to bed late, you can't have enough sleep. Then you can't think carefully and your homework will be wrong. You will not be wise and you may not become wealthy!

Some people go to bed late at night and get up late in the morning. This is not good for them. We should sleep at night when it is dark. The dark helps us sleep well. When the daylight comes, we should get up. This is the time for exercise. If the body is not used, it will become weak.

Exercise keeps it strong. Exercise helps the blood (血液) to move around inside the body. Blood takes nutrition (营养) to all parts of our bodies. The brains (大脑) in our heads also need blood. We think with our brains. If we keep our bodies healthy, and take exercise, we can think better!

Our bodies also need air to breathe (呼吸). Without air we will die. Get up early in the morning and we can have plenty of clean, fresh air. That will keep us healthy and happy.

How can you learn about a city? City walks might be a great choice. Instead of simply {#blank#}1{#/blank#} around, city walkers follow some ways on different themes. Along the way, they enjoy the views, take photos, listen to the guide and take part in fun activities.

City walks are more and more {#blank#}2{#/blank#} in China. Not only travelers but also locals are becoming interested {#blank#}3{#/blank#} this. For travelers, it allows {#blank#}4{#/blank#} to deeply explore(探索) a city. For locals, it's a good chance to see something they haven't noticed before.

Zhang Xiaoxin,a college student, is a new comer to Changsha. By taking part in a city walk, she saw more closely {#blank#}5{#/blank#} the locals' daily lives were like. Unlike Zhang. Wang Yixuan {#blank#}6{#/blank#} up in Changsha. Thanks to city walks, she has visited places that she heard about before but {#blank#}7{#/blank#} set foot on. As the guide introduced the {#blank#}8{#/blank#} of these sites, she knew more about the city's past." Living here for over 20 years,I thought I was familiar with it enough,{#blank#}9{#/blank#} city walks let me see other sides of the city.

For many people, city walks are not just a way to travel but can be a part of their daily lives. Come on! Just start to observe (观察) everything around you whenever you walk, from your school or company to your home. You' ll always find {#blank#}10{#/blank#} surprising!

Chinese martial arts, also called kung fu, make up a number of fighting styles that have developed over the centuries in China. Chinese kung fu started in China. It is {#blank#}1{#/blank#} fast as the wind, as stable (稳定的) as the mountains and as powerful as fire. Kung fu is not only {#blank#}2{#/blank#} (use)but also graceful. Therefore, kung fu is {#blank#}3{#/blank#} (regard) as the Oriental martial art. Many foreigners want to learn it, {#blank#}4{#/blank#} more and more special schools for learning martial arts appeared in many other countries around the world. 

Over centuries of development, the term "kung fu" has now covered a number of fighting {#blank#}5{#/blank#} (style). The famous ones are tai chi, Shaolin kung fu and ginggong. Kung fu is good {#blank#}6{#/blank#} health and self-defense(自我防卫). In recent years, kung fu {#blank#}7{#/blank#} (become) more and more popular all over the world. 

There have been famous kung fu {#blank#}8{#/blank#} (star) like Bruce Lee. He played {#blank#}9{#/blank#} important role in {#blank#}10{#/blank#} (develop) Jeet Kune Do(截拳道). His kung fu u skills have been kept alive by actors like Jackie Chan. Nowadays, many people still learn kung fu skills.