下图为北非五国正在建设的“绿色坝工程”。读图完成下列各题。

    As they walk down the halls during their years together at Shady Side, our boys and girls —— so soon to become men and women —— are learning to think, to work, to question, to be ____ and ____, to____with others, to laugh at their mistakes and to act ____ when ____ comes their way.

    Sir William Osler, a famous Canadian doctor,____ the value of ____ by saying, "No man is really happy ____ a hobby, and it makes precious little ____ what the outside ____ may be."

张籍的《贾客乐》：“金陵向西贾客多，船中生长乐风波。……金多众中为上客，夜夜算缗眠独迟。”姚合《庄居野行》：“客行野田间，比屋皆闭户。借向屋中人，尽去作商贾”。唐人的这些诗句，反映了