B、the difference between national income and personal income
C、the concept of income
D、the difference between disposable income and nondisposable income
The passage implies that.( )
A、people willingly pay taxes because they want to do somethinguseful to the country
B、people willingly pay taxes because they do not want to belooked down upon by others
C、people pay taxes unwillingly because they feel they will be arrested if they do not
D、people pay taxes somewhat unwillingly
21. The materials and tools available to help you with your language studies range.22. The appropriate use of these materials and courses will enable youto learn language.23. Larger dictionaries will provide the learners with.24. The traditional courses are designed for.25. With audio courses , you can learn.A. more definitions, examples of usage, and information aboutpronunciation, and grammarB. authentic pronunciation and a manageable amount of vocabularyC. phrasebooks, dictionaries, videos, games and provide onlineand/ or telephone supportD. from dictionaries to language coursesE. in a much easier and more effective wayF. beginners or people with only a little knowledge of the language