[单项选择]The law is great mass of rules, showing when and how far a man is (47) to be punished, or to be made to hand over money or property to his neighbors, and so (48) These rules are contained in books. A lawyer learns them in the main (49) reading books. He begins by doing little else than read, and after he has prepared himself by, say, three years’’ study to practise, (50) , all his life long and almost every day, he will be looking into books to read a little more than he ,already knows about some new question which he has to answer. The (51) to use books, then, is a talent which the would be lawyer ought to possess. He ought to have enough flexibility and fineness of menial fibre to make it easy for him to collect ideas from (52) words. He ought to have some (53) in finding what a book contains, and something of an instinct for where to look for what he wants. But (54) this is the power of which he will first feel the need, it is not the most important. A l