介绍:
Questions 19 to 21 are based on the passage you have just heard.
19. A) The reasons for imposing taxes. C) The various burdens on ordinary citizens.
B) The various services money can buy. D) The function of money in the modem world.
20. A) Educating and training citizens. C) Protecting people’s life and property.
B) Improving public transportation. D) Building hospitals and public libraries.
21. A) By asking for donations. C) By selling government bonds.
B) By selling public lands. D) By exploiting natural resources.
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