2. 外语
  3. People born in autumn live longer than those born in spring and are【C1】______likely to fall chronically ill when they are older,

People born in autumn live longer than those born in spring and are【C1】______likely to fall chronically ill when they are older,

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问题     People born in autumn live longer than those born in spring and are【C1】______likely to fall chronically ill when they are older, according to an Austrian scientist. Using【C2】______data for more than one million people in Austria, Denmark and Australia, scientists at the Max Planck Institute【C3】______Demographic Research in the northern German town of Rostock found the month of birth was【C4】______life expectancy over the age of 50.【C5】______differences in what mothers ate during【C6】______, and infections【C7】______at different times of the year could both have an impact on the【C8】______of a new-born baby and could【C9】______its life expectancy in older age. "A mother giving birth in spring spends the last【C10】______of her pregnancy in【C11】______,【C12】______she will eat less vitamins than in summer," said Gabriele Doblhammer, one of a team of scientists who【C13】______the research. "When she stops【C14】______and starts giving her baby normal food, it’s in the hot weeks of summer when babies are【C15】______to infections of the digestive【C16】______." In Austria, adults born in autumn (October-December) lived about seven months longer than those born in spring (April-June), and in Denmark adults with birthdays in autumn【C17】______those born in spring by about four months. In the southern hemisphere, the picture was similar. Adults born in the Australian autumn—the European spring—lived about four months longer than those born in the Australian spring. The study focused on people born at the beginning of the 20th century, using【C18】______certificates and census data. Although【C19】______at all times of the year has improved since then, the seasonal pattern【C20】______, Doblhammer said.
【C7】
选项 A、having occurred
B、occurred
C、occurring
D、to be occurred
答案C
解析 语法题 occurring动名词作定语，此处没有必要使用完成时态，表示的是正常情况下的观点。
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