Which of the following can be identified as inference questions?( ) A: The passage implies that… B: The author suggests that … C: It can be inferred from the passage that… D: Based on the passage, we can assume that …

Which of the following can be included in a conclusion paragraph? A: Conclusions B: Contributions to your field of research C: Limitations of the study D: Future research direction

Which of the following may NOT be identified as political functions A: To protect the society from internal threats. B: To allocate resources of the society. C: To insure order in the society. D: To resolve conflicts within the society.

2. Direct costs are A: Costs which can be identified with a cost center but not identified to a single cost unit B: Costs which can be economically identified with a single cost unit C: Costs which can be identified with a single cost unit, but it is not economic to do so D: Costs incurred as a direct result of a particular decision.

Which of the following can indicate people’s cultural identity？（ ） A: Language B: Clothing C: Food D: All of them