答案:1 Read the guide to the use of the dictionary, where the compilers explain in dctil how toUsc the dictionary.2 Rcad the contents page tofd outquickly what information is included in the dictionary because this page usuially provides a detailel ist of the content, inciuding supplementary mater.Dictionaries wrereference books and helping tools. Their value and usefulness depend on thc user rather that in themselves. To use them well one needs to get to know them well. The more familiar the uscr bccomes with them,the bcttcr he can use temn,and the nore information he can obtain.A good reader may find a good dictionary a rich source of knovledge and a bcst teacher.