When a teacher (36) a student to read a

问题：

When a teacher (36) a student to read a book it’ s usually for a particular purpose. The book may (37) useful information or it may be invaluable for the ideas that it puts forward. The teacher may just refer to a few (38) and not the whole book. Unfortunately, when many students (39) up a book to read they tend to have no particular purpose in mind. Often they read slowly and in great detail. The result is that students (40) don’ t have an overall view of what they’ re reading. Students can make their reading much more effective by (41) a plan. Firstly, they should decide (42) why they’re reading the book. Then they should decide (43) what they’re going to read. (44) . This can be done by reading the introduction and the conclusion, and possibly skimming some sections. Finally, students should ask themselves a specific question about their reading. (45) This will help them to focus on the purpose of the reading as well as providing a summary which can be read again later. (46) .As a result, it’s important to read as quickly as possible.