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选词填空:avoid flow living discuss involves3. __________ personal topics with strangers.

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选词填空:avoid flow living discuss involves4. What does Heidi do for a __________ ?

选词填空:avoid flow living discuss involves5. Graham's job __________ buying supplier.

TRIZ理论是以( )为核心标志的崭新的辩证式创新观

A. 问题分析
B. 矛盾解决
C. 资源分析
D. 方案分析

解决物理矛盾的工具是()

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