[解析]
(1)细节理解题。根据第二段中的Being a bookworm as a child,he read all kinds of ancient books including the Four Books and the Five Classics.(从小就是个爱看书的人,他读了很多古书,包括四书五经。)可知,孙先生从小就喜欢看书。故选C。
(2)细节理解题。根据第三段中的Among his holdings is a precious set known as the Si Ku Quan Shu,dating back to Qing Dynasty.It is one of the only seven copies in the country.(在他所有的收藏中,最珍贵的是追溯到清朝的《四库全书》。它是全国唯有的7本中的一本。)可知,孙先生的《四库全书》是很珍贵的,很有价值的。A.Colorful.鲜艳的;B.Valuable.有价值的;C.Demanding.要求高的;D.Enormous.巨大的。故选B。
(3)段落大意题。根据第四段Wearing glasses,Sun reads for more than three hours every day.Now he has finished reading most of his collections.Speaking of her father,Sun Ziyu,said, "My father has a habit of making notes on each book.He makes a mark whenever he stops reading so that he can carry on reading from where he left off."(每天戴着眼镜,孙先生可以读三个多小时的书。如今他已经将收藏的书读得差不多了。说起他的父亲,孙自玉说道:"我父亲有在每本书上记笔记的习惯。无论他读到哪里,他都要做一个标记,这样的话下次他就可以接上上次的地方继续读。")可知,第四段主要讲述的是孙先生读书的习惯。故选A。
(4)推理判断题。根据第五段中的Village official Liu Jiao said, "Many children in the village love to visit Sun and listen to his stories." She said the elderly man has earned respect from the whole village.(妇联主席刘娇说道:"村里很多孩子都喜欢去孙先生家听他讲故事"。她说,这位老年人赢得了全村人的尊敬。)可知,在刘娇看来,孙先生是一个值得尊敬的人。故选D。