Question

阅读理解 People born in the autumn live longer than those born in the spring．They are less likely to fall chronic(长期的)ill when they are older, according to an Austrian scientist．Using census(人口普查)data for more than one million people in Austria, Denmark and Australia, scientists at the Max Planck Institute for Demographic Research in the northern German town of Rostock found the month of Birth was related to life expectancy(估计寿命)over the age of 50．Seasonal 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 influence its life expectancy in older age．“A mother giving birth in spring spends the last phase 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 normal food, it’s in the hot weeks of summer when babies are prone(容易的)to infections of the digestive system．”In Austria, adults born in autumn lives about seven months longer than those born in spring, and in Denmark adults with birthdays in autumn outlived those born in spring by about four months．In the southern hemisphere, the picture was similar．Adults born in the Australian autumn 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 death certificates and census data． (1) Which of the following is true? [　　] A． Austria and Denmark are both in the northern hemisphere． B． People born in autumn live longer than those born in summer． C． Both Austria adults and Australian adults with birthdays in autumn live about four months longer than those born in spring． D． The study is carried out mainly among people born at the end of the 20th century． (2) Which is not the factor that causes the life expectancy differences between people born in different seasons? [　　] A． What mother eat during pregnancy B． Infections occurring at different times of the year． C． The number of vitamins mothers eat during pregnancy． D． Weather impact, such as temperature (3) What might be the best title for the passage? [　　] A． Mothers and new-born baby B． Life expectancy C． Seasonal difference and life expectancy D． An important research

Answer 1

答案：1．A;2．D;3．B;
解析：

(1)	从最后一段第一句话看出：奥地利和丹麦都位于北半球。
(2)	从第二段可以得知妈妈在怀孕期间所吃的东西，一年当中不同期间流行的传染病以及妈妈在怀孕期间所摄入的维他命的数量都会导致平均寿命的不同，只有D选项提到的比如像温度这样的天气因素不是其中一个原因。
(3)	本文主要是讲了季节性差异和寿命的关系。