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  3. People born in the autumn live longer than those born in the spring. And they are less likely to fall 【B1】ill when they are olde

People born in the autumn live longer than those born in the spring. And they are less likely to fall 【B1】ill when they are olde

admin2009-08-19  90
问题    People born in the autumn live longer than those born in the spring. And they are less likely to fall 【B1】ill when they are older, according to an Austrian scientist. The scientists at the Max Planck Institute for Demographic Research made such 【B2】 by using census data for more than one million people in Austria, Denmark and Australia. They found that the month of birth was related to life 【B3】 over the age of 50. 【B4】 differences in what mothers ate during pregnancy, and infections occurring at different times of the year could both have an impact on the health of a new-born baby and could 【B5】 its life expectancy in older age. "A mother giving birth in spring spends the last 【B6】 of her pregnancy in winter, when she will eat less vitamins than in summer," said Gabriele Doblhammer, one of a team of scientists who carried out the research. "When she stops breast-feeding and starts giving her baby 【B7】 food, it’s in the hot weeks of summer when babies are 【B8】 to infections of the digestive system."  【B9】
   In the southern hemisphere, the picture was similar. 【B10】.  The study focused on people born at the beginning of the 20th century. " 【B11】," Doblhammer said.
选项
答案chronically
解析 由空前的fall和空后的ill可推测所填词是副词。chronically 在此意为“长期地”。
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