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littleroad

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[交流] 每周一听——那些年我们一起练过的听力(第73期) 已有39人参与

每周一听——那些年我们一起练过的听力(第73期)


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A new report says nearly four-billion people have major tooth decay, or cavities. That number    (1)    more than half of the world's population. Health officials are warning that failure to repair cavities can lead to social and emotional problems.
Wagner Marcenes is with the Institute of Dentistry at Queen Mary, University of London. He    (2)    a team of researchers as part of the Global Burden of Disease 2010 study. About 500 researchers attempt to collect and examine studies about all major diseases. They used the information to estimate    (3)    of the infection.
The report says untreated tooth decay is the most common of all 291 major diseases and injuries. Professor Marcenes says cavities or holes  in    (4)    teeth are also known as caries.
"Caries is a chronic disease that    (5)    the same risk factors as cancer, cardiovascular disease. What we're having now is an increase in disease from highly developed countries happening in sub-Saharan Africa and probably it will be in other areas of Africa, too."
He says an increase in tooth decay in Africa could be a result of developing countries becoming more like Western nations.
"It is likely to    (6)    a change in diet. Our industrialized diet leads to chronic disease, which includes caries. And that may be the main explanation."
Western diets are rich in sugar, a leading cause of health problems in the mouth. In western countries,    (7)    are treated with the chemical fluoride. Adding fluoride to the water makes teeth resistant to the bacteria that can cause tooth decay.
Wagner Marcenes says oral health problems can have a major effect on a person's quality of life. First, cavities make eating difficult. Second, people may change what they eat. They may eat softer foods that are not hard to chew. However, softer foods are often    (8)    .
But professor Marcenes says the biggest issue in tooth decay is both social and mental. He says the researchers found strong evidence that the mouth has a big influence on socialization. He says many people want to    (9)    . They smile less and communicate less.
Wagner Marcenes is calling for an "urgent, organized, social response" to the widespread lack of oral health. He believes in a natural method to fight tooth decay by having a healthier diet.    (10)    .


上期活动答案:
1.        investigator
2.        intervention
3.        ethical
4.        deserves
5.        disagrees
6.        compassion or grace
7.        robotics systems
8.        on the aircraft
9.        state sovereignty
10.        the same progress that gives us the technology to strike half a world away also demands the discipline to constrain that power, or risk abusing it


[ Last edited by 求知者001 on 2013-8-3 at 14:00 ]
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littleroad

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littleroad: 回帖置顶 2013-08-03 10:22:40
内容已删除
2楼2013-08-03 10:22:36
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普通回帖

middleman

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求知者001: 金币+6, 感谢参与,继续加油~ 2013-08-03 14:05:10
求知者001: 金币-6, 评错地方了。。实在不好意思。 2013-08-03 14:05:40
littleroad: 金币+10, 听力奖励~ 2013-08-08 21:00:41
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3楼2013-08-03 10:42:35
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lens1200

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昨天刚做完72期
4楼2013-08-03 10:58:58
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i学术科研

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小木虫: 金币+0.5, 给个红包,谢谢回帖
littleroad: 金币+4, 听力奖励! 2013-08-05 10:04:06
留印,
音频与内容不对应.
5楼2013-08-03 11:56:07
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ellen1126

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littleroad: 金币+10, 听力奖励~ 2013-08-08 21:04:52
占座
I-am-an-architect-of-my-own-destiny.
6楼2013-08-03 12:23:16
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gouxfjh

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小木虫: 金币+0.5, 给个红包,谢谢回帖
听力?专门练提高很慢的,有了语言环境你就自然能听懂了。
7楼2013-08-03 13:03:05
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求知者001

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小木虫: 金币+0.5, 给个红包,谢谢回帖
引用回帖:
5楼: Originally posted by i学术科研 at 2013-08-03 11:56:07
留印,
音频与内容不对应.

OK,已做更改。可以去听啦~
人生最曼妙的风景,是内心的淡定与从容。
8楼2013-08-03 14:01:11
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支持
9楼2013-08-03 14:02:23
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whenyd

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小木虫: 金币+0.5, 给个红包,谢谢回帖
littleroad: 金币+9, 貌似是粗心把答案写反了一组。。。? 2013-08-05 10:06:01
换了个地信的斑竹,多多照顾哈
超越梦想,真爱无双,得一而足。
10楼2013-08-03 15:19:53
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