题目内容
度的两端叫关节点或临界点，超出度的范围，此物就转化为他物，事物的质就发生的变化。
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量变是事物数量的增减和组成要素排列次序的变动，质变是事物性质的变化。
Directions: Listen and link photos a–c to the dialogues 1–3.a. camara shop b. farmer's market c. supermarketDialogue 1
Directions: Listen and link photos a–c to the dialogues 1–3.a. camara shop b. farmer's market c. supermarketDialogue 2 ________
Directions: Listen and link photos a–c to the dialogues 1–3.a. camara shop b. farmer's market c. supermarketDialogue 3 __________
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