久久久无码人妻精品无码_6080YYY午夜理论片中无码_性无码专区_无码人妻品一区二区三区精99

您現在的位置: Language Tips> Audio & Video> Special Speed News  
   
 





 
Cancer to become world's leading killer
[ 2009-01-14 10:12 ]

Download

Also: A study links tobacco smoke and behavioral problems in boys with asthma. And scientists are finishing a count of the world's sea life.

VOICE ONE:

This is SCIENCE IN THE NEWS in VOA Special English. I'm Steve Ember.

VOICE TWO:

And I'm Barbara Klein. This week, we will tell about cancer. Health experts say it will soon become the world's leading killer. We also will present evidence of a suspected link between tobacco smoke and behavioral problems in boys with asthma. And, we will tell about an effort to count all of the world's sea life.

(MUSIC)

VOICE ONE:

Cancer to become world's leading killer

Health experts say cancer will become the leading cause of death in the world by the year 2010. An agency of the World Health Organization released a report on cancer last month. Health experts predicted the number of people who die from cancer will soon be greater than deaths from AIDS, tuberculosis and malaria combined. The experts say more people will die from cancer than heart disease, the current leading killer.

The report says one reason for the growing deadliness of cancer is more people smoking cigarettes in developing countries. The report says 40 percent of the world's smokers are believed to live in China and India alone.

Other things are believed to have an effect. They include high fat diets, fast food meals and reduced physical activity.

VOICE TWO:

The WHO report says an estimated 12 million people will be found to have some form of cancer this year. It predicts that more than seven million people will die early from the disease. And, more than 5 million of the new cancer cases will involve people in developing countries.

The number of cancer cases and deaths from cancer are expected to increase one percent each year. Experts are predicting the largest increases will be in China, Russia, and India.

VOICE ONE:

Without new treatments, the WHO said, the number of new cancer patients could increase to 27 million a year by 2030. The number of them who die each year from the disease could reach 17 million.

A few kinds of cancer are more common in some areas. For example, the rate of breast cancer in Japan, Singapore and Korea is now 3 times what it was 40 years ago. Stomach cancer has become more common in some areas where food is often not stored in a cold place.

VOICE TWO:

Another report says the number of men and women dying from cancer has dropped in the United States. It was the first reported drop in American cancer cases and deaths since the nation began collecting such information.

The Journal of the National Cancer Institute published the report last month. It said the drop was mainly the result of fewer cases of lung, prostate and colorectal cancer in men. In women, it resulted from fewer cases of breast cancer and colorectal cancer.

VOICE ONE:

The American Cancer Society says governments can do things to help prevent the increase in cancer cases and deaths. One idea is to provide poor and developing nations with vaccines that help to prevent some cancer-causing infections. One example of a cancer causing infection is human papillomavirus. This virus can cause cervical cancer in women.

Another suggestion is more support for tobacco-control programs. And the Cancer Society also says health officials and governments should invest in cancer research and early detection.

(MUSIC)

VOICE TWO:

An American study has shown a link between tobacco smoke and behavioral problems in boys with asthma. The problems include higher than normal levels of excitability, aggression and depression.

Cancer to become world's leading killer

Researchers with the Cincinnati Children's Hospital Medical Center carried out the study. They examined 220 boys and girls. All of the children were between 6 and 12 years old. 61 percent of them were boys. 56 percent were African-American.

77 percent of the children had moderate to severe asthma. The other boys and girls had milder forms of the breathing disorder. Each child had no other health problem.

VOICE ONE:

To be considered for the study, children were supposed to be close to cigarette smoke at least 5 times a day. The researchers asked parents to estimate the number of cigarettes smoked near each child. The average was 13 cigarettes a day.

The researchers tested blood from the children for evidence of cotinine, a tobacco byproduct. Cotinine levels in blood are often used to measure exposure to tobacco smoke. The researchers compared cotinine levels to behavioral problems that parents observed in the children during a two-week period.

VOICE TWO:

The study found the girls were breathing in more tobacco smoke than the boys. But there was no increase in behavioral problems among the girls. For the boys, the results were different. The more contact the boys had with tobacco smoke the more likely they were to have recognizable behavior problems, such as extreme excitability and aggression. The boys also were more likely to have signs of emotional problems like anxiety and depression.

The researchers say more studies are needed to learn the reason for the different effects of tobacco smoke on boys and girls. They say their findings show that even low levels of smoke may cause behavior problems in children with asthma or others at risk.

VOICE ONE:

Kimberly Yolton was the lead writer of the report. She says there is no information to explain in detail why tobacco smoke causes behavioral problems in children with asthma. But she says there is much evidence that nicotine in tobacco smoke affects the nervous system, and child development and behavior.

The report appeared last month in the Journal of Development and Behavioral Pediatrics.

(MUSIC)

VOICE TWO:

Cancer to become world's leading killer

For the first time, researchers are creating a complete count of the world's sea life. The project, called the Census of Marine Life, is to be carried out over 10 years. The census is to be finished in two thousand ten. Researchers from more than eighty countries are involved in the project. It is being paid for jointly by governments, businesses and other groups.

Recently, the researchers announced some of their findings. Bob Gagosian works for the Consortium for Ocean Leadership in Washington, D.C. He helps to supervise the project.

BOB GAGOSIAN: "There are about two thousand scientists worldwide involved. Just about every country is involved in some way. Everywhere they have gone they have found new things. The ocean basically is unexplored from the point of view of marine organisms."

VOICE ONE:

That was Bob Gagosian of the Consortium for Ocean Leadership. Researchers have placed small markers on hundreds of fish and marine animals. This lets them watch their movement by satellite and identify the areas where sea creatures gather.

Ron O'Dor is a scientist with the Census for Marine Life. He says current knowledge of life on the ocean floor is especially limited.

RON O'DOR: "90 percent of all the information we have is from the top hundred meters of the ocean."

VOICE ONE:

That was Ron O'Dor of the Census for Marine Life. He says the sea floor is, on average, 4000 meters deep. So scientists are using robotic devices that can dive far below what people have seen in the past. They are now discovering strange, new species of plants, animals and organisms surviving near hot currents that come out of the ocean floor.

VOICE TWO:

Among the project's findings is one that a group of Antarctic islands are richer in animal life than the world famous Galapagos Islands.

A report in the Journal of Biogeography describes how a team from the British Antarctic Survey and University of Hamburg searched the South Orkney Islands. The team spent 7 weeks searching the South Orkney Islands in 2006. They searched as deep as 1500 meters underwater. The species they found were compared to information gathered over the past century. The team found the islands and nearby waters are home to more than 1200 known species.

VOICE ONE:

Since the census began, more than 5300 new marine animals have been identified. Scientists have found a new species of blind lobster and giant bacteria, to name a few. In all, researchers say they hope to find examples of 230.000 species during the census. Some say that is still only a small percentage of all the creatures living in the sea.

(MUSIC)

VOICE TWO:

This SCIENCE IN THE NEWS program was written by Lawan Davis and Brianna Blake, who also was our producer. I'm Barbara Klein.

VOICE ONE:

And I'm Steve Ember. Join us again next week for more news about science in Special English on the Voice of America.

 

(Source: VOA 英語點津編輯)

 
英語點津版權說明:凡注明來源為“英語點津:XXX(署名)”的原創作品,除與中國日報網簽署英語點津內容授權協議的網站外,其他任何網站或單位未經允許不得非法盜鏈、轉載和使用,違者必究。如需使用,請與010-84883631聯系;凡本網注明“來源:XXX(非英語點津)”的作品,均轉載自其它媒體,目的在于傳播更多信息,其他媒體如需轉載,請與稿件來源方聯系,如產生任何問題與本網無關;本網所發布的歌曲、電影片段,版權歸原作者所有,僅供學習與研究,如果侵權,請提供版權證明,以便盡快刪除。
相關文章 Related Story
 
 
 
本頻道最新推薦
 
Walking in the US first lady's shoes
“準確無誤”如何表達
英國新晉超女蘇珊大媽改頭換面
豬流感 swine flu
你有lottery mentality嗎
翻吧推薦
 
論壇熱貼
 
別亂扔垃圾。怎么譯這個亂字呀?
橘子,橙子用英文怎么區分?
看Gossip Girl學英語
端午節怎么翻譯?
母親,您在天堂還好嗎?

 

久久久无码人妻精品无码_6080YYY午夜理论片中无码_性无码专区_无码人妻品一区二区三区精99

    欧美一级免费观看| 久久综合色婷婷| 婷婷久久综合九色综合绿巨人| 欧美艳星brazzers| 天天操天天色综合| 精品久久人人做人人爽| 国产精品一卡二卡| 1024国产精品| 欧美日韩国产综合视频在线观看| 日韩不卡一区二区三区| 久久午夜老司机| 成人福利在线看| 亚洲成人自拍偷拍| 精品欧美乱码久久久久久1区2区| 成人精品在线视频观看| 亚洲制服丝袜在线| 日韩视频一区二区三区| 国产91精品久久久久久久网曝门 | 久久九九全国免费| 99久久精品久久久久久清纯| 一区二区三区在线看| 欧美一区二区三区四区五区 | 国产麻豆精品久久一二三| 亚洲欧洲日韩在线| 欧美久久婷婷综合色| 国产精品一区二区你懂的| 亚洲精品老司机| 欧美不卡在线视频| 色婷婷精品大在线视频| 老司机精品视频一区二区三区| 国产精品九色蝌蚪自拍| 91精品国产综合久久福利| 粉嫩av一区二区三区| 亚洲va欧美va人人爽午夜| 久久夜色精品国产噜噜av| www.欧美.com| 日本不卡视频在线观看| 中文字幕日韩av资源站| 日韩欧美一区中文| 91网址在线看| 国精品**一区二区三区在线蜜桃| 亚洲综合精品久久| 欧美高清在线一区二区| 3d动漫精品啪啪| 99久久99久久综合| 黄色成人免费在线| 亚洲午夜精品一区二区三区他趣| 久久久久高清精品| 国产日韩欧美激情| 欧美美女网站色| 成人国产在线观看| 精品在线免费观看| 亚洲va欧美va人人爽午夜| 国产精品色婷婷| 日韩欧美在线网站| 欧美性高清videossexo| 成人av中文字幕| 韩日精品视频一区| 午夜精品久久久久久| 亚洲欧美另类久久久精品2019| 久久午夜老司机| 日韩丝袜美女视频| 欧美日韩小视频| 色婷婷国产精品久久包臀| 国产传媒日韩欧美成人| 青青草国产精品97视觉盛宴| 亚洲一卡二卡三卡四卡| 中文字幕亚洲不卡| 国产亲近乱来精品视频| 精品久久久久99| 91精品国产综合久久福利软件 | 蜜桃av噜噜一区| 亚洲高清免费观看高清完整版在线观看| 国产欧美日产一区| 欧美精品一区二区三区高清aⅴ| 欧美精品123区| 欧美亚洲尤物久久| 色婷婷av一区二区三区之一色屋| 成人av小说网| 成人美女视频在线看| 粉嫩aⅴ一区二区三区四区 | 99久久亚洲一区二区三区青草| 国产在线精品免费av| 久久黄色级2电影| 美女视频免费一区| 日韩va亚洲va欧美va久久| 午夜久久久久久久久久一区二区| 亚洲久本草在线中文字幕| 国产精品黄色在线观看| 国产精品免费看片| 国产精品狼人久久影院观看方式| 中文字幕精品在线不卡| 久久精品一区蜜桃臀影院| 久久久久97国产精华液好用吗| 精品国一区二区三区| 精品国内二区三区| 久久久久久久久99精品| 26uuu另类欧美| 国产亚洲综合性久久久影院| 久久天堂av综合合色蜜桃网| 精品久久一区二区| 久久久久久久综合狠狠综合| 久久婷婷一区二区三区| 国产亚洲午夜高清国产拍精品| 久久久91精品国产一区二区三区| 久久久久青草大香线综合精品| 久久久久久久电影| 国产精品丝袜久久久久久app| 欧美国产成人精品| 最新国产成人在线观看| 亚洲精品乱码久久久久久久久| 一区二区三区精品视频在线| 亚洲国产成人av网| 日韩激情中文字幕| 麻豆免费看一区二区三区| 久久电影国产免费久久电影| 国产乱人伦偷精品视频免下载 | 成人开心网精品视频| www.亚洲精品| 在线日韩一区二区| 欧美日韩美少妇| 日韩午夜中文字幕| 久久综合丝袜日本网| 国产精品乱人伦中文| 一区二区三区影院| 青青草原综合久久大伊人精品 | 色香蕉成人二区免费| 欧美色国产精品| 日韩欧美国产一区在线观看| 国产亚洲一区字幕| 亚洲女性喷水在线观看一区| 亚洲一级在线观看| 久久精品99国产精品| 成人激情文学综合网| 在线观看亚洲专区| 日韩亚洲欧美在线| 欧美国产一区视频在线观看| 亚洲免费观看高清完整版在线观看| 亚洲一区在线视频| 狠狠色伊人亚洲综合成人| 不卡的看片网站| 欧美另类高清zo欧美| 久久综合国产精品| 亚洲激情一二三区| 久久精品国产77777蜜臀| 99综合电影在线视频| 欧美裸体一区二区三区| 国产丝袜在线精品| 一区二区三区不卡视频在线观看 | 久久久久久久性| 亚洲视频精选在线| 免费的成人av| 99久久免费视频.com| 91精品一区二区三区久久久久久| 久久久美女毛片| 亚洲综合区在线| 国产一区视频导航| 91久久精品日日躁夜夜躁欧美| 日韩视频在线你懂得| 中文字幕在线不卡一区| 日韩电影免费在线| 成人免费视频免费观看| 欧美日韩一级二级| 中文字幕乱码久久午夜不卡| 日韩精品欧美精品| 成人精品在线视频观看| 欧美一级片在线看| 国产精品99久久久久久久女警 | 成人avav在线| 日韩视频一区二区三区| 亚洲视频每日更新| 国产在线观看免费一区| 欧美日韩高清一区二区三区| 国产午夜精品福利| 日韩在线卡一卡二| av成人老司机| 精品国产123| 亚洲成av人**亚洲成av**| 国产成人8x视频一区二区| 91精品欧美综合在线观看最新| 亚洲国产电影在线观看| 三级一区在线视频先锋| av一区二区三区黑人| 精品国产成人在线影院| 亚洲成人动漫在线免费观看| 成人性生交大片免费看中文| 欧美一级日韩免费不卡| 一区二区三区免费在线观看| 国产成人免费av在线| 日韩视频免费观看高清完整版 | 激情深爱一区二区| 欧美日本国产视频| 一区二区三区四区不卡在线| 国产成人在线视频免费播放| 日韩美一区二区三区| 亚洲国产日产av| 色狠狠色狠狠综合| 亚洲欧洲日产国码二区| 国产精品一区二区黑丝| 日韩精品一区国产麻豆|