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    If you go into the forest with your friends, stay with them. If you don't, you may get lost. If you get lost, this is what you should do. Sit down and stay where you are. Don't try to find your friends—let them find you. You can help them find you by staying in one place. There is another way to help your friends or other people to find you. You can shout or whistle (吹口哨) three times. Stop. Then shout or whistle three times again. Any signal (信号) given three times is a call for help.

    Keep up shouting or whistling. Always three times together. When people hear you, they will know that you are not just making a noise for fun. They will let you know that they have heard your signal. They will give you two shouts or two whistles. When a signal is given twice. it is an answer to a call for help.

    If you don't think that you will get help before night comes, try to make a little house with branches (树枝). Make yourself a bed with leaves and grass.

    When you need some water, you have to leave your little house to look for it. Don't just   walk away. Pick off small branches and drop (扔下) them when you walk to go back again easily. When you are lost, the most important thing to do is to stay in one place.

    In the Charles F. Johnson Elementary School in New York, there is a special radio. It gives people warnings about bad weather.

    One day, there came a sound from the radio. This sound brought the piece of news: a heavy storm was coming. William Tomic, principal(校长) of the school, asked teachers to bring children indoors and put them in a safe place at once.

    Minutes later, the storm came. However, because of the warning of the radio and the quick work of the principal, no one was hurt.

    "The radio really did work very well.(A)(我们对它的工作感到很满意), "William Tomic said. "The parents were happy as well."

    The U. S. government hopes there will be more such successful stories. It plans to give this kind of radio to all 97, 000 public schools in the country.

    Every year, more than 10, 000 big thunderstorms, 2, 500 floods, 1, 000 tornadoes(龙卷风) and some hurricanes(飓风) take place in the U. S., so the warning radios are very useful. They not only give people warnings about bad weather, but also give warnings about other dangerous  things.

Can knots be a form of art? It is in China. It is used for decoration (装饰) on clothing or to hang on a wall. Skilled knot artists make knots that you might see sold in stores that you can take back with you. 

What Is a Chinese Knot?

A Chinese knot is a knot that is tied and woven (编织) from a single length of rope to be different shapes. Most knots have two cords (粗线) entering the knot from the top and two leaving from the bottom. Each kind of knot is named after its shape or the symbolic meaning that it carries.

Knot artists can use different colors, but they prefer deep red ones. The color red means good luck in China.

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At first, people may have made them to record information before people started to write. One hundred thousand year old tools have been discovered that were probably used to tie and untie knots. 

It is known that they were used for artistic decoration and to express thoughts and feelings in the Tang Dynasty (618—907). The traditional art form was carried on by people as part of their culture.

Ancient and Modern Use of Artistic Knots

Even today, Chinese knots are rich in symbolic meaning, and they hold value when given as gifts or passed down through families. For example, in ancient times and even now, lovers may give a knot as a symbol of their love. The "true love knot" and the "double happiness knot" are given or used at weddings to express love and growing old together. 

Along with being symbolic gifts or messages, knots are still used if people wear traditional Chinese clothing. They are used as jewelry such as earrings and necklaces.

Suggested questions:(1) When will you have your birthday party?(2) Who will you invite to your birthday party?(3) What will you do at your birthday party?(4) Where will you have it?

Do you want a job in the holidays? Just go for it. First, you need to know what kind of job is suitable for your age and interest.

If you're 13 to 15

It seems that you can't work almost anywhere, but you're probably allowed to clean your neighbors' cars or walk their dogs. There is no lowest wage (工资）for children under 16. By law, you can't work more than 35 hours each week during school holidays. And you can't work before 7 am or after 7 pm.

If you're 16 to 17

The lowest wage for 16~17-year-old teenagers should be no less than seven dollars per hour. You can't work in a pub or bar, but you can work in many other places. By law, you can't work more than 40 hours each week.

What jobs are out there?

Obviously your choices are limited (限制) by the fact that you can only work during school holidays, but the following situations are fine.

At Christmas, most shops are short of hands, so you may find something to do there. In autumn, there's always fruit picking. It can be pretty hard work, but it pays really well.

If you're mad about football, you can choose to work in a sports shop or help out at a local football club. No matter how much you are paid, you are doing what you like.