re toa rich prehensible input of real spoken and written language in use 2.Use of the language to do thing s 3 Motivation to listen to and read the language and to speak and write it C. Desirable: instruction in language (i.e. chances to focus on form) 17. What are the means to integrate the four skills in teaching? 1 Simple integration plex integration 18. What are the methods of assessment? Positive assessment;neglect assessment;teacher ’s assessment;continuous assessment;Ss ’ self-assessment;portfolios ( 个人成长档案) 19. What are the criteria for assessment ? 1.Criterion-referenced assessment 2.Norm-referenced assessment 3.Individual-referenced assessment 20. What are the features of good textbooks? 21. What are the methods of adapting textbooks? What are the 8 options ina dapting textbooks?