单项选择题
建筑物因受外界温度变化的影响而产生的热胀冷缩,致使建筑物出现不规则破坏,为防止这种情况的发生,常沿建筑物长度方向每隔一定距离或结构变化较大处预留缝隙,这条缝隙被称为( )。
A.变形缝
B.伸缩缝
C.沉降缝
D.抗震缝
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单项选择题
——Can you help me?——()
A.Yes, please.
B.All right.
C.Thank you.
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单项选择题
——Have a good time.——()
A.The same to you.
B.Happy together.
C.Yes, please.
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