How to make full use of reference books?

　　Nowadays reference books have become a problem of great concern for both teachers and students. There are many kinds of reference books available in the book market. A smarter use of these books is certainly beneficial.But the misuse and over-use of them may cause a lot of problems.

　　First of all,teaching reference books might make the students less attentive in class. Armed with reference books,many students may think that they know what the teacher is going to talk about. So they may not listen to the teacher in class at all. Secondly,some students rely on the reference books too much, which is unfavorable to the improvement of their ability to work out the solutions for themselves. Thirdly,there are some reference books with many mistakes, which might mislead the students.

　　Considering the above mentioned, we should be careful in selecting and using reference books. Firstly,we should check the contents of the book carefully,but not only pay attention to the brand of the publishing house. In addition we can turn to the recommendation of teachers and students around us. Besides,reference books are just an assistant, so we shouldnt rely on them too much. Only in this way can we make