Did you ever wish that you could foretell the future? Well, thousands of years ago, the people living in
The site of Gegharot is rather small in
The shrines at Gegharot offer archaeologists a rare glimpse into fortune-telling practices that would have been the closely
I have been in Taiyuan, the provincial capital of Shanxi, for two years since I
Over the two years, I found myself
The city has
I hope more international students come to study in Shanxi University and to live and work in China
省份 | 四川省 |
位置 | 中国的西南部 面积 486000平方公里(square kilometers) |
省会 | 成都 |
景点 | 有众多的名胜古迹, 其中著名的有: 1. 九寨沟: 位于四川西北, 以湖最为出名, 湖水清澈见底。 2. 都江堰水利工程(the Dujiangyan Irrigation Project), 建于2000多年前, 至今仍发挥着作用。 |
特点 | 1. 气候宜人, 交通便利。 2. 以各式各样的麻辣小吃著名。 |
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Today I will tell you some information about Sichuan province
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A.The population. |
B.The man's experience. |
C.The capital city. |
5 . The commonly held view is that people arrived in North America from Asia via a land bridge once connecting the two continents at the end of the Ice Age around 13,000 to 16,000 years ago. But recent discoveries have suggested humans might have been there earlier. Researchers studying fossilized human footprints in New Mexico say that humans were there at least 23,000 years ago.
Matthew Bennett, a specialist in ancient footprints and author of a study on the new findings published in Science, and his colleagues studied 61 footprints by radiocarbon(放射性碳) dating layers of aquatic (水生的) plant seeds preserved above and below the footprints and accurately dated they were made 21,000 to 23,000 years ago. The people who made the footprints were living there in the last Ice Age when two massive ice sheets covering the continent and cold temperatures would have made a journey between Asia and Alaska impossible, indicating humans must have been there much earlier than previously thought.
According to their analysis of the footprints, they were likely made in soft ground at the edge of a wetland by children who were sent to do the work like fetching and catching by adults. Wind probably blew dust over the surface, accumulating in the prints, thus, leaving footprints that previously recorded.
Their finding also makes it possible to explore the older and more controversial sites. One such site is Chiquihuite Cave in central Mexico, where stone tools dating back to 30,000 years ago have been found.
David Rachal, an experienced geoarchaeologist (地质考古学家) thought the footprint dates provided by Bennett and his team looked extremely solid, with seeds providing very reliable and precise ages through radiocarbon dating. “You could not ask for a better setup,” said Rachal. However, he was puzzled that no artifacts, such as stone tools, had been found in the area. “We need to be cautious and more research needs to be done.” Rachal said.
1. What is the most essential evidence dating the time in the passage?A.The aquatic plant seeds. | B.The fossilized human footprints. |
C.The unearthed tools. | D.The massive ice sheets. |
A.To introduce a historical site. |
B.To show the significance of the finding. |
C.To compare geoarchaeological discoveries. |
D.To explain the course of making a discovery. |
A.Optimistic and trustful. | B.Conservative and cautious. |
C.Negative but curious. | D.Favorable but confused. |
A.The Discovery of Human Footprints. |
B.Scientific Methods of Dating Footprints. |
C.The Earlier Arrival of People in North America. |
D.A Discussion on Human History Among Researchers. |
The Great Wall is the longest building in the world. It begins from Shanhaiguan and ends at Jiayuguan,
The best
In 1987, the Great Wall
Originally constructed around 256 BCE by the State of Qin
During the Warring States period, people who lived along the banks of the Min River
The iceberg
I have been in Taiyuan, the provincial capital of Shanxi, for two years since I
Over the two years, I found
My favorite sport is cycling and I find China is very cyclist-friendly because it is convenient
Taiyuan
Xi’an, or Chang’an as it was called for many centuries,
These days,the city has made effective exploration in