[填空题] How to Read Effectively Many students tend to read books without any purpose. They often read a book slowly and in great detail with the result that they frequently have no (1)______view of what they are reading. (1)______ To read effectively, students are suggested to do the following: 1) To decide precisely on the (2)______for reading a book. (2)______ 2) To decide what they are going to read: a. The (3)______page should be read first. (3)______ b. The chapter headings are useful in indicating what should be read. c. The Index can help to (4)______the pages related to some (4)______ information. 3) To read the opening and final paragraphs so that they could know what