CRI英语听力2012年03月合辑(文本):0306WW.doc
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- CRI 英语听力 2012 03 月合辑 文本 0306 WW
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1、China is a vulnerable region with a large population of birth defects, and the rate of birth defects has risen sharply during the past few years. What is causing the defects and what can be done to prevent them from occurring.Our reporter Wangwei has the story.Data from the Ministry of Public Health
2、 indicate that the rate of birth defects has risen about 70 percent since 2006, from less than 88 per 10,000 births to almost 150 in 2010. That is to say, six out of every 100 children in China are born with a birth defect.He Xiyu, the head of the Birth Defect Research and Treatment Center, at Bayi
3、Childrens Hospital, says the most common birth defects include congenital heart defects, cleft lips and palates, and physical and mental disabilities. He gives his analysis of the causes.Birth defects are very complicated abnormalities. They can be caused by genetic factors, environmental factors, o
4、r an interaction of a number of genetic and environmental factors. But under the current medical and health development level, we can only acknowledge 50 percent of the causes of birth defects.Although many birth defects are complicated diseases, most of them can be discovered and prevented before a
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