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（请给出正确答案）
All of the machinery must be carefully inspected before production at the plant is allowed to__________ .
A.inhibit
B.comply
C.motivate
D.proceed
B.comply
C.motivate
D.proceed
参考答案
参考解析
解析：分析整句的意思，“before”引导的状语从句表示“准许进行生产”．因此意为“进行”的D为正确答案。
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