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Yuan 小题1: (be) born on September 7, 1930. After graduating from the then Southwest Agriculture Institute (农业学院), he worked as a teacher at an agriculture school in Hunan.
About 50 years ago, some natural disasters (灾难) hit China. Yuan saw many people lose their lives because of hunger every day. Since then, he 小题2: (do) research on how to grow good quality rice. In 1964, he found a natural hybrid rice plant by accident. It had great advantages over others. Yuan was excited about what he discovered. He then decided 小题3: (study) this particular plant.
In 1973, he started to grow a type of hybrid rice. It 小题4: (produce) 20% more rice each unit than common ones. The next year he had a great success. This progress made China the world’s leader in rice production.
In China, most rice fields (稻田) grow Yuan’s hybrid rice. He 小题5: (call) the “Father of Hybrid Rice”.
Now he is 84 years old. He still 小题6: (have) a dream. He hopes hybrid rice 小题7: (grow) as tall as Chinese sorghum (高粱) one day!
People have reported seeing a wild man-like creature in the Himalayas. They call it a Yeti. Each report produces similar descriptions of the creature. Yetis are said to be heavily built and hairy. People believe that it sometimes comes down from the mountains to attack villagers.
In 1998, an American mountain climber said that he saw a Yeti on the Chinese side of the Himalayas. ‘It walked like a human but it had thick black fur and was about six feet tall with huge shoulders, very long arms and large hands,’ he said.
Ten Chinese engineers also reported that they saw a Yeti in the Shennongjia National Forest Park in western Hubei Province. The engineers ran after the creature, which ran with amazing speed and strength.
In 1970, 1,089 footprints were discovered in the snow near Bossburg, Washington in the United States. Footprints are one of the few pieces of hard evidence supporting the existence (存在)of Yetis. These footprints are about 14 to 18 inches long, 5 to 9 inches wide and much larger than those of a human. Also, they are always deeper than footprints made right next to them by men.
Some scientists think that these footprints are not left by Yetis. They say that the footprints could have been made by bears or other animals. They have found that the sun often causes footprints in the snow to become larger. Some scientists even think that these footprints could have been made by people playing a joke.
Dr Krantz, a scientist from Washington State University, has studied reports of Yetis for many years. He believes that there are Yetis while studying the footprints. He says that this creature possibly lived in Asia some 3,000,000 years ago. It could have made its way to other parts of the world and lived on until today.
| General descriptions of Yetis | Heavily built with much 小题1: Coming down from the mountain to 小题2: villagers |
| Places where Yetis were seen | Himalayas ● They walked like a 小题3: ● They have thick black fur, huge shoulders, long arms and large hands |
| Shennongjia National Forest Park ● The Yeti was so 小题4: and fast that the engineers couldn’t catch up with it. | |
| Bossburg, Washington in the USA ● 小题5: footprints were discovered: 14 or 18 inches long, 5 to 9 inches wide. ● They are 小题6: than those men made right next to them. | |
| Scientists’ 小题7: about whether there are Yetis | Yes ● Bears and other animals could have made them. ● The fingerprints became larger 小题8: of the sun. ● People could have made them for 小题9: a joke. |
| No ● It’s 小题10: that Yetis lived in Asia some 3,000,000 years ago. ● They could have traveled to other parts of the world and lived on until now. |
The Chinese invented paper in 105 AD. They mixed the bark
(树皮)of a tree and rags with water, put a screen into the mixture, and lifted out a thin piece of wet paper. They dried the paper in the sun.The Chinese kept their secret of how to make paper until a war with Muslins in the ninth century. The art of papermaking soon spread throughout the Muslin world.
The Mayan
(玛雅)Indians in Central America and Pacific Islanders also discovered how to make paper, but their knowledge never spread to the rest of the world.For centuries, all paper was made by hand. Rags were the main material. Then a French scientist discovered that people could make paper from wood, too. Finally, in the 18th century, a Frenchman invented a machine to make paper from wood.
(1) Who invented the way to make paper?
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A .The Chinese. |
B .The Pacific Islanders. |
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D .The Mayan Indians. |
D .All of the above. |
(2) When did the Chinese invent paper according to the passage?
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A .About 1,800 years ago. |
B .About 1,900 years ago. |
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C .About 2,000 years ago. |
D .About 2,100 years ago. |
(3) How was papermaking introduced into the rest of the world from China?
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A .Through wars. |
B .Through the Muslins. |
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C .Through the Mayan Indians. |
Through the Pacific Islanders. |
(4) Which of the following is an important thing that has made it possible for papermaking industry to develop so quickly in the last few centuries?
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A .A new discovery. |
B .A new invention. |
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C .Hard work. |
D .Science. |
(5) Which of the following is the best title of the passage?
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A
.The Invention of Paper.B
.The Invention of A Papermaking Machine.C
.The History of Papermaking.D
.Different Ways to Make Paper. 查看习题详情和答案>>