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问题 口语交际，情景问答题

下面是广州亚运会志愿者的标志（图案为红色）。请从构形角度（文字除外）说明该标志的创意。要求语言简明，句子通顺，不超过60个字。（6分）

                                                                           

答案

标志由两条曲线构成：上面是一个心形(1分)，下面是一双行走的脚(1分)。红色的心是志愿者微笑与真诚服务的象征(2分)，一双行走的脚代表了不辞辛劳的精神和切实的行动(2分)

单项选择题 案例分析题

People born in autumn live longer than those born in spring and are less likely to fall chronically ill when they are older, according to an Austrian scientist, Using census (人口普查) data for more than one million people in Austrian. Denmark and Australia, scientists at the Max Plank Institute for Demographic (人口统计的) Research found the month of birth was related to life expectancy 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 old age. "A mother giving birth in spring spends the last stage of her pregnancy in winter, when she will eat fewer vitamins than in summer. " said one of the scientists. "When she stops breast - feeding and starts giving her baby normal food, it’s in the hot weeks of summer when babies are inclined to infections of the digestive system. " In Austria, adults born in autumn lived 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 is 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. Although nutrition at all times of the year has improved since then, the seasonal pattern persists.

People born in autumn live longer than those born in spring because（）。

A. a baby born in autumn is never subject to any infections

B. a baby born in spring receives no protection from infections

C. a mother giving birth in spring has less nutrition during her pregnancy

D. a mother giving birth in autumn eats more vitamins during the last stage of her pregnancy
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