2. 外语
  3. People born in autumn live longer than those born in spring and are 【C1】______ likely .to fall chronically iii when they are old

People born in autumn live longer than those born in spring and are 【C1】______ likely .to fall chronically iii when they are old

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问题      People born in autumn live longer than those born in spring and are 【C1】______ likely .to fall chronically iii 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 Restock found the month of birth was 【C4】______ life expectancy over the age of 50. 【C5】______ differences 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 newborn 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 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 be- ginning 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】______ , Dobl-hammer said.  
【C7】
选项 A、having occurred
B、occurred
C、occurring
D、to be occurred
答案C
解析 该题是语法题，occurring动名词做定语，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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