B. To help the development of the story.

　C. To attract readers' attention to the story.

　D. To make clear the background of the story.

3.What feeling did the author write the text with?

　A. Desperation B. Gratefulness.

　C. Excitement D. Sorrow.

4.What is the passage mainly about?

　A. Light in darkness B. Peace to common people

　C. Courage in face of danger D. The influence of Christmas

　　【文章大意】本文是一篇记叙文。作者讲述了1944年圣诞前夕，奶奶一家在集中营里日子艰难，迫不得已12岁的叔叔秘密走出集中营去附近的村庄求助，一位善良的女士给予了他们一家一些物质上的帮助。这位好心人的善举给了过着暗无天日的日子的奶奶一家不仅是物质上的帮助还有对未来的希望，最终一家人坚持到光明的到来。

1.C 【解析】细节理解题。根据第二段最后一句The 12-year-old pieced together in German exactly what his mother had told him to say.并结合第一段的内容可推断，Gyuri努力用德语拼出了他母亲告诉他说的话，表达了他的家人的需要。故选C。

3.B 【解析】推理判断题。根据最后一段首句To the unknown giver, I thank you.和"you gave them hope and comfort"并结合全文内容可推断，故事讲述好心人对作者的奶娘一家慷慨相助，因此推断作者对这位好心人充满感激之情，故作者讲述这个故事时带着感恩的心态。故选B。

4.A 【解析】主旨大意题。纵观全文特别是文章最后一段可知，在积雪覆盖的寒冷的冬天，人们封闭自己，死亡比活下去更容易的情况下，这位善良的人不仅给予了奶奶一家物质上的帮助，而且给了他们希望和抚慰。就像黑暗中的亮光鼓励他们走向新的生活。因此推断这篇文章歌颂了黑暗中人性光明的一面。故选A。

On April 14th, 2010, my entire life changed in an instant. One moment I was joyfully riding through the sunshine. The next moment, metal, flesh and bones were spreading against the pavement