单项选择题

案例分析题

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.

【C1】（）