不同阶层的消费者具有不同的购买行为，具体体现在哪些方面？
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作业3：怎样做好巩固脱贫成果与乡村振兴的有效衔接？
To start a group discussion, what can you do to break the ice and make everyone feels comfortable?
A. Explaining the topic.
B. Allowing everyone to introduce themselves.
C. Asking open-ended questions to begin.
D. Encouraging everyone to participate.
In a group discussion, after the participants share their ideas, you can ask ________ to encourage them to pick apart their opinions.
A. a follow-up question
B. a Yes-No question
C. a summary
D. an introduction
Which is the final step of the development process?
A. Describing the system environments, functions and use cases.
B. Analyzing the user requirements.
C. Dividing the architecture into components and designing them each individually.
D. Breaking down the specifications of the entire system.
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