()应作为制定反事故措施计划和安全技术劳动保护措施计划的重要依据。
A、春秋季安全大检查结果
B、安全性评价结果
C、事故隐患排查结果
D、安全管理中存在的问题
参考答案:B, C
It is absolutely essential that William ______ his study in spite of some learning difficulties.[ ]
A. continue
B. continued
C. has continued
D. would continue
逆铣法