1Single choice question( 2 score/each) 1.Information literacy refers to the comprehensive ability of ( ) information. A, understand and master B, find C, Find and use D, use 2. Which of the following does not belong to the full-text database ( ). A, abstracts \& index B, E-journal C, e-book D, dissertation 3. Which of the following does not belong to the bibliographic database search approach: ( ). A, title B, responsible person C, carrier D, Publication information 4. The three characteristics of CASHL do not include ( ). A, electronic literature form B, humanities and social sciences mainly C, natural science mainly D, foreign language journal literature