如图是一个长骨的解剖结构，据图回答下列问题：

    It's still the holiday season and students in the UK are enjoying their winter break (休假).
    Tiffany in Guangdong asks us about how British students spend their winter break.
    For some, it's a time to study because they have exams next term. Some might have to study. They have to read some books. They use the winter break to catch up with(赶上) their reading. But some students can Let their hair down and celebrate Christmas and New Year with a few drinks.
    This holiday is also an important time to chat with the family and maybe get some sleep too. Some lucky students are going away on holiday but it won't be long.

阅读下文回答文后各题。
　　绕过以往曾是蹓马场的大旷野，爬上小坡傍着一棵苍老的榆树坐下小憩。可以望见这三年多来经常走、现在对它无限眷念的背路。一周两日去学校教书，就走这条鲜为人知，既没有红灯叫你停，也没有“瓶颈”叫你等，却是充满了柳暗花明的景色的十里路。刚入春，这里先出现嫩绿的小蕾，沁心。刚入夏，这里绿叶阴蓊，遮住从〔〕空直射下来的阳光，清神。刚入秋，这里是一片画笔画不出来的秋叶的各种层次的红颜，醒目。刚入冬，这里是雪花织成的委婉的洁白飘带，任你的车轮为它印上两道黑边，趁心。三年多，不知多少次，我在这条路上得到休息，得到宁静，解决生活中各种烦心的问题，或是在廿分钟的行车后，重新获得挫败后的勇气。我感谢它，不下于我对西冷庄园的谢意。别了，对再美好的事物都有告别的一天，它给过我的，它也必会给与别人。