In which scenario would TOP N analysis be the best solution? （）
A. You want to identify the most senior employee in the company.
B. You want to find the manager supervising the largest number of employees.
C. You want to identify the person who makes the highest salary for all employees.
D. You want to rank the top three sales representatives who have sold the maximum number of products.
一孔钢梁上的桥枕失效达（）及以上时，应进行整孔更换。
A. 15%
B. 25%
C. 40%
D. 50%
应用超声回弹综合法检测结构或构件的混凝土强度时，应优先采用规程通用测强曲线
A. 正确
B. 错误
消防（）等消防器材应放置在明显、易取处，不得任意移动或遮盖，不得挪作它用。
A. 斧
B. 砂桶（箱、袋）
C. 揪
D. 钩子
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