情报检索英语PDF电子书下载

UNIT ONE Information Sources 3

Lesson One The Structure of a Book 3

Language Focus A Hints for Reading Practice 10

Lesson Two The Function of Reference Apparatus of a Book 15

Language Focus B Skimming 25

Lesson Three Information Sources 30

Language Focus C Scanning 37

UNIT TWO About Libraries 47

Lesson Four Trends in Library Service 47

Language Focus D Contextual Reference 57

Lesson Five Importance of Catalogues and Bibliographies 60

Language Focus E Explanations and Definitions 66

Lesson Six The Card Catalog 75

Language Focus F Classifying 82

UNIT THREE Reference Books 91

Lesson Seven Encyclopedia 91

Language Focus G Giving Examples 99

Lesson Eight Biographical Dictionaries 102

Language Focus H Making Comparisons 110

Lesson Nine Atlases and Gazetteers 117

Language Focus I Comparison/Contrast 123

Lesson Ten Dictionaries, Yearbooks and Handbooks 133

Language Focus J Listing 140

UNIT FOUR Abstracts and Indexes Journals 147

Lesson Eleven Purpose of Abstracts 147

Language Focus K Time Sequence 155

Lesson Twelve Subject Indexing and Analysis of its Problems 163

Language Focus L Organizing Information 168

Lesson Thirteen Brief Introduction to Journal Indexes and Abstracts 179

Section One Computer Control Abstracts (CCA) 180

Section Two Engineering Index Annual (Ei) 187

Section Three Dissertation Abstracts International (DAL) 194

Section Four World Meetings: United States Canada (WM) 200

Section Five Government Reports Announcements Index (GRA I) 211

Section Six Science Citation Index (SCI) 221

UNIT FIVE The Internet 239

Lesson Fourteen Introduction to the Internet 239

Lesson Fifteen E-mail 250

Lesson Sixteen Clients/Servers and the Intemet Tools 262

Section One Gopher 265

Section Two Word Wide Web (WWW) 270

Section Three Archie 274

Section Four Wide Area Information Servers (WAIS) 278

References 283

For Further Reading 286

Answer Sheet 305