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Directions: Listen and link photos a–c to the dialogues 1–3.a. camara shop b. farmer's market c. supermarketDialogue 1

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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 __________

钢筋砖过梁两端的砖应伸进墙内的搭接长度不小于（）mm。

A. 60
B. 120
C. 240
D. 360

墙体按组砌材料的不同可以分为（）。

A. 砖墙、石墙、钢筋混凝土墙
B. 砖墙、非承重墙
C. 实体墙、复合墙、空体墙
D. 外墙、内墙