Local building codes were originally introduced to provide protection against shoddy workmanship.
A.insecure
B.internal
C.inferior
D.incredible

A.A.insecure
B.internal
C.inferior
D.incredible

【参考答案】

C
解析：这句话的意思是：地方建筑条例最初是用来预防——的建筑质量。在给出的选项中，insecure“不安全的，......

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