2. 外语
  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

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

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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.
【B1】
选项
答案chronically
解析 分析句子结构可知，本句不缺主干成分，故本空应填一副词。chronically在此意为“长期地”。
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