We sometimes call the lion “the king of the jungle” Because it is stronger and more dangerous than other animals.{#blank#}1{#/blank#}It is the highest animal in the land food chain.

    In the sea, the shark is one of the animals at the top of the food chain. It can swim faster than most other sea animals{#blank#}2{#/blank#}

    {#blank#}3{#/blank#}People are! We are not the biggest or fastest, but we are the cleverest. We could not run faster than cheetahs, so we invented cars and now we can move the fastest. We could not fight better than lions, so we invented guns. Now we can hunt the best. People's inventions are clever, but they can be dangerous, too. For example, people invented factories, and now they make the air and rivers dirty.{#blank#}4{#/blank#}Dirty rivers kill fish. Then bears cannot eat the fish and die. If we kill one part of the food chain. Other parts also die. Remember that we are a part of the food chain, so we are in danger, too!{#blank#}5{#/blank#}We should and we could do something for the world!

    Some people are afraid of answering the telephone call. Here are some tips to help you when you are answering the call.

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    Listening to someone speaking in a second language over the telephone can be very challenging because you cannot see the person you are trying to hear. You may not realize that your pronunciation isn't clear. So pay special attention to your pronunciation and speak as slowly as possible.

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    Don't pretend to understand everything you hear over the telephone. Don't be afraid to remind the person to slow down more than once.

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    Ask another student to practice talking on the phone with you. Try to talk for at least fifteen minutes. The most important thing about practicing telephone English is that you are not able to see others' mouths.

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    There are many ways to get free telephone English practice. After business hours, you can call and listen to recorded messages. Write down what you hear the first time, and then call back and check if your notes are right.

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    Many speakers make the mistake of being too direct on the telephone. Sometimes just one word such as could or may is necessary in order to sound polite. Take the time to learn how to answer the phone in a polite manner.

    We usually use chopsticks and spoons: Americans usually use forks and knives. However, the people in some countries don't use any of these tools. They prefer to eat with their fingers. It sounds messy, but they have ways to keep clean.

    In the southern part of India, people use banana leaves to eat. Everyone gets a small square of banana leaf. Each person washes his or her square of leaf, and then uses it to eat.

    In Ethiopia, food is wrapped in a special kind of bread. This bread is very flat and feels like a wet sponge(海绵). There are lots of holes in the bread to hold food and sauce. A small piece is torn of(被撕下) to pick up food.

    In the Middle East, people eat with only their fingers on the right, hand. They always try to keep the right hand clean. The left hand is used for touching dirty things.