A businessman was deep in debt (负债). He could see no way out. He felt sad and sat on the river bank in a park, _____ what to do.

An old man stopped and rested by the river. _____ learning of the businessman’s trouble, the old man wrote out a check (支票) and said to the businessman, “Take this money. Meet me here exactly one year later from today on and you can give the money back by then.” Then the old man gave the businessman an address and walked away.

The businessman saw the check for $500,000, signed by John D. Rockefeller, who was one of the _____ men in the world! “I can pay off all my debts at once!” he thought excitedly. But _____, he put the check and the address away. He decided to use the check when he was in the most difficult time.

Within a few months, he managed to pay off his debts and _____ money once again.

Exactly one year later, he followed the address to return the check. He found himself in a hospital. He waited for a long time but the old man didn’t _____. Just as the businessman was about to _____, a nurse came up and led him to the old man’s room. The nurse said the old man was _____ ill in mind and was always telling people he was John D. Rockefeller.

The businessman was greatly _____ at what the nurse said. Suddenly, he realized that it wasn’t the ______ that had turned his life around. It was his self-confidence (自信心) that had made him strong to deal with the difficulty.

New Energy in the Twenty-first Century

Energy from wind

Wind is a kind of clean energy, and there is lots of it, but, if there’s no wind, there is no wind energy.

Energy from the water

When water from a high place to a lower place, it can make electricity (电) without pollution. However, people have to build dams (水坝) to use this energy, and building dams is very expensive.

Energy from the earth

There is heat in the rocks under the earth. Scientists use the heat to make geothermal (地热的)

energy. This kind of energy is cheap and clean, but it is only possible in a few places in the world.

Energy from the sun

Solar panels (太阳电池板) on the roofs of house can turn energy from the sun into electricity. Solar power is clean and plentiful (丰富的). When the weather is bad, it doesn’t work.

An American company is also thinking of building a very modern hotel, called the Lunar Hotel, on the moon. Most of the hotel will be under the ground, so it won’t become too hot or

What can kites do for us? You might think they are just for fun, but kites can do a lot more.

Picture taking: In the 1880s, when there were no airplanes, people used kites to take photos from the air. Those kites carried cameras. People also used them in war. In this way, they got to know more about their enemies.

Science studies: In the early 1900s, scientists from the United States put machines into kites. They used them to learn about the weather.

Life saving: Once some lifeboats on ships from the United States had kites on them. They could send radio messages from the kites. This made it much easier to find people lost at sea.

Fishing: In Asia, people have been using kites for fishing for hundreds of years. Fishing with a kite is far better than you might think. Using a kite, you can place the hook (鱼钩) further away. You can also put it into the water slowly so it will not frighten the fish.

Advertising: Advertisements aren’t just on TV. They can also be on kites! These kites usually carry the name of a product (产品) or a company. Advertising kites come in many shapes and bright colors. Some even look like the products!

Travel can teach kids more than a textbook. Travelling with kids is good r    66     them. They can find new interests. Travel makes information alive for kids, and makes it much more exciting than studying textbooks or d    67    experiments in the lab. While travelling, they learn h    68    to deal with new situations, and communicate with other people. They learn patience, because sometimes i    69    takes a long time to get to some exciting or interesting places.

I've been travelling since I was seven years old. For me, to stop travelling would be like taking something a    70    from my soul(灵魂).1 can't live without travelling and I wouldn't be who I am if I don't travel. Some people think it's h    71    to travel after having kids. But in my opinion, when people become parents, it doesn’t m    72    they couldn't travel any more. My children have been travelling since they were three weeks old.

Bringing a new life into the world comes with many responsibilities(责任)and I'd love to be a good mother. One of my duties is to e    73     my children. I'm so thankful that my parents took me on family trips when I was y    74    . I've learned that the outside world is more colorful than the little one I was living in. Of course, I want to pass these travel e    75     on to my children.

I value the memories I have travelling with my children, I'm sure they will always remember them in their lives.