現(xiàn)代大學(xué)英語聽力基礎(chǔ)教程_聽力部分文本_unit6task-全文預(yù)覽
【正文】 we can still learn much about the past from other things people have left behind. In some places, there are ruins of cities built thousands of years ago. Ruins are the remains of things built in the past. They can still tell us many things about the people who built them. People who dig up and study old ruins are called archaeologists. Studying ruins adds to what we know about historic times. But the remains of buildings and other things are all we know of prehistoric peoples. These things give us many clues about the ways people lived before they learned to write. besotted As you might guess, the farther we go back into history, the less we know for sure about what happened. We have to make more and more guesses. We know a lot about what happened 50 years ago. We know less about what happened 500 years ago. We know even less about what happened 5,000 years ago. In general, the longer ago something happened, the less we can know about it. Task 7 The Indians also used smoke to send signals. They made a fire, and put wet grass on it. Then they covered the fire with a wet blanket. After a few moments, they took the blankets away again. This made a cloud of smoke. They could send simple messages in this way. One cloud of smoke meant danger. Two clouds meant Everything is all right. Three clouds meant Help. In the thick forests of Africa, it used to be difficult to travel from village to village. But drums could be heard from many miles away. People in this part of the world discovered that they could use their drums for sending messages. They did not use a special code like the Morse Code. They made their drums speak Like people. They did this by playing tunes that sounded like simple sentences in their languages. The Incas of South America never developed a way of writing their languages, but they used to send messages by tying knots in rope. Men used to run with such knotted ropes from town to town along the Inca roads. Many of these rope messages have been found, but nobody can understand what they mean. Task 8 A: Have you read this? The article about that new survey... B: Yes, I took a glance. It seems pretty obvious to me. You don39。t think it39。t find a job there. A: This article here agrees that it39。s the lure of the bright lights of the cities... A: Yes, night life, music, and youth culture in general, you know. B: Yeah, what39。t worry about this because we had heard all about the clear mountain streams in that part of the country. We weren39。 milk to drink and some goats39。t because of the intense cold. We were terrified. Task 10 D: Dan W: Windy S: Shop assistant D: I can39。s a little market. Let39。ll be quick. We don39。re married to your cars. W: What do you mean? D: I mean, you don39。m Steve Ember wit
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