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The early settlers of Greenland brought with them from Iceland horses, cattle, sheep, goats, and hens. The most important of these animals, on the whole, were the sheep. Sheep were able to feed out all winter, as they do in America's Midwest today. Of course, it was, and still is, advisable to set aside some hay for them in case of a spell of particularly. bad weather.

Some sources of energy are plentiful but not used much. Sunlight and wind are two examples. They are unlimited and cannot run out. Besides, using them tends to be less harmful to the environment than using other sources. Why doesn't the world use more sun and wind?

Some signs are notices which warn you of danger. Some ask you to do something. Others ask for your help. Warned by a notice, you may fell you should not do something that you would like to do. Asked for help, you may fell like doing something for the person who has put up the notice. Some signs help you to find your way to a place, and without them you might find yourself lost in a strange town.

One of the world's favorite hot drinks is made from dried leaves of the tea plant. Boiling water is poured over the crushed tea leaves. Making the delicious drink known as tea. Tea is usually served in china cups. Many people drink it plain. Others add sugar and sometimes lemon or milk.

Every day our world becomes smaller and smaller. modern life changes so quickly. Today, jet airplanes fly across the oceans very fast; for example, it is possible to flyfrom London to NewYork in three and a half hours on the Concorde jet. Fantastic! Also, we watch the Olympic games and other international events on televisions via satellite.

We now know that we must use fuel very carefully. We must not depend on oil and gas. We must mine and use coal more efficiently than the past. We must make better use of water and wind power. Today we have already begun to heat some houses with the sun's rays.

Some teenagers felt there's a generation gap between themselves and their parents. They often want to show their independence from their parents by wearing different clothes and hairstyle. Teenagers in the U.S. have both freedom and responsibility. In most states, they can drive when they're only 16. Many work at part-time jobs after school and on weekends so they can buy their own cars.

Schools are beginning to use the computer more and more because it can teach many kinds of lessons. Students have the chance to learn at their own speed. Some students can work slowly; others ca work quickly. The computer tellsthem if their answers are right or wrong. The computer helps students to review if they need to. One computer system that is used in education is PLATO. It teaches English!

Why do we dream? Scientists think that dreaming helps us solve problems. For example, when people begin to learn a foreign language, they dream more than normal. Famous people like Albert Einstein and Mozart depended on dreams to get new ideas.

Banks also lend money. Suppose Mr. Brown wants to build a new factory or buy a farm. He has some money, but not enough. So he goes to his bank to borrow some money from it. If the men who run the bank feel sure that Mr. Brown will be able to pay the money back, they lend it to him. They will charge him a small amount of money for the use of the money that they lend him. This charge is also called interest.

A: What's wrong with your car?

A: Let's face it. We are lost.

Being polite to everyone, no matter who they are, is a kind of golden rule. If others see a smile on your face, they will probably smile at you in return.