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      Books are our greatest friends. They 1us stories of every country in the world. They give us all kinds of 2 . Life is short. One can not know and see 3 in the world. 4 the help of books, one is able to know what happened thousands of years ago and 5 is happening in every part of the world now. Books give us not only knowledge 6  pleasure. Reading good books is the best way of7    our free time. And many beautiful stories for children are 8and full of wisdom(智慧).
    All the great men 9 books. Knowledge from books helps them to succeed, because books are the source(源泉)of knowledge and knowledge is the source of  10 .

如图是叶芽与枝条结构示意图，据图回答：

（1）乙图中的1____来源于甲图中____ ____ 的发育．

（2）甲图中的D能伸长主要是因为A生长点能分裂产生____．

（3）乙图中的2____来源于甲图中的____ ____ 的发育．

（4）乙图中的3是____ ，来自甲图中的____ ____ ．

有人把“江湖义气”看作是“够朋友”，认为做事“够朋友”就是友谊，以下理解错误的是 （   ）