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Read the following article and select the best answer. Article: Zhoukoudian is a small village situated about 50 kilometers to the southwest of Beijing. In the 1920s, archaeologists discovered some prehistoric human bones there which changed people's view of China's history. They came from an unknown species of man and were the first evidence of human life in China thousands of years ago. The remains were three teeth! In 1929, a complete skull was also discovered. Eventually, archaeologists found almost 200 items, including six skulls and more than 150 teeth. These discoveries proved the existence of a human species who lived in the area between 700,000 and 200,000 years ago. Four sites where Beijing Man and his relatives lived were discovered on the northern face of Longgushan. They lived in the caves in the area. However, the life span of Beijing Man was short. About 70% of the people probably died before the age of 14. Fewer than 5% lived to the age of 50. Ashes were found alongside the fossils which showed they had used fire for cooking food and also for light, warmth, and protection against wild animals. This is the earliest evidence of the use of fire anywhere in the world. They also made tools of bones and stones. Unfortunately, when Japan invaded China in 1937, excavations at the Beijing Man Site stopped and most of the fossils disappeared, including a Beijing Man skull. After the People's Republic of China was established in 1949, the work started again. Zhoukoudian was listed as a World Heritage Site in December 1987. It has not only given us important information about prehistoric Asian societies, but also provided amazing evidence about the process of evolution. Today, parts of the caves have been badly affected by rain. Some areas are almost completely covered in weeds, causing serious damage. Pollution from the nearby factories has also led to the problem. This is a very serious matter and the Chinese Academy of Sciences is trying to raise public awareness of protecting it. Question: Beijing Man used fire to do all of the following things EXCEPT _ . - light in the dark - keep warm - scare wild animals away - make tools
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make tools

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Read the following article and select the best answer. Article: Probably you have seen photographs of the Grand Canyon , the great valley in the desert country of Arizona. But you must go there yourself to feel its true size and beauty. Tie Grand Canyon is one of the greatest natural wonders of the world. The Colorado River formed the Grand Canyon over mil lions of years. Slowly, the river cut down through hard rock. At the same time. the land was rising. Today. the canyon is one and a half kilometres deep and 445 kilometres long. The el dest rocks at the bottom of the canyon are more than 1 billion years old. The width varies from about 200 metres to 29 kilo metres across. The rim or top of the canyon is about 2, 300 metres above sea level tin the South Rim, and about 3,000 metres on the other side, the North Rink As a result, there are different kinds of plants and animals on opposite sides of the canyon. The South Run is dry desert country. The North Rim has tall forests. The canyon looks different at different times of day. and in different seasons and weather. At sunrise anti sunset the red. gold, brown, and orange colours of the rocks are especially dear and bright. In winter, the canyon is partly covered with snow. The view from the South Rim of the Grand Canyon is the best. Most visitors come to the South Rim and stay in camp- grounds or hotels. Every point along the canyon' s edge offers a different view. The North Rim of the Canyon is quieter, h takes all day to drive there from the South Rim because there is only one bridge across the Colorado River. On the way, you go through Navado Indian lands, and a colourful pink desert called "The Painted Desert". You can walk clown into the Grand Canyon, or you can go down oil the back of a mule . You can also lake a boat trip down the Colorado River, and camp on the bea ches at night. But whether you see the Grand Canyon from the top or the honom, it will be an experience that you will never forget. Question: From the passage we can know that the _ of the can yon is different at different time. - length - scene - width - height
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scene

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Read the following article and select the best answer. Article: If you intend using humor in your talk to make people smile, you must know how to identify shared experiences and problems. Your humor must be relevant to the audience and should help to show them that you are one of them or that you understand their situation and are in sympathy with their point of view. Depending on whom you are addressing, the problems will be different. If you are talking to a group of managers, you may refer to the disorganized methods of their secretaries; alternatively if you are addressing secretaries, you may want to comment on their disorganized bosses. Here is an example, which I heard at a nurses' convention, of a story which works well because the audience all shared the same view of doctors. A man arrives in heaven and is being shown around by St. Peter. He sees wonderful accommodations, beautiful gardens, sunny weather, and so on. Everyone is very peaceful, polite and friendly until, waiting in a line for lunch, the new arrival is suddenly pushed aside by a man in a white coat, who rushes to the head of the line, grabs his food and stomps over to a table by himself. "Who is that?" the new arrival asked St. Peter. "Oh, that's God." came the reply, "but sometimes he thinks he's a doctor." If you are part of the group which you are addressing, you will be in a position to know the experiences and problems which are common to all of you and it'll be appropriate for you to make a passing remark about the inedible canteen food or the chairman's notorious bad taste in ties. With other audiences you mustn't attempt to cut in with humor as they will resent an outsider making disparaging remarks about their canteen or their chairman. You will be on safer ground if you stick to scapegoats like the Post Office or the telephone system. If you feel awkward being humorous, you must practice so that it becomes more natural. Include a few casual and apparently off-the-cuff remarks which you can deliver in a relaxed and unforced manner. Often it's the delivery which causes the audience to smile,... Question: The best title for the text may be _ . - Use Humor Effectively. - Various Kinds of Humor. - Add Humor to Speech. - Different Humor Strategies.
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Use Humor Effectively.