工程项目的招标又可分为（）、（）、（）三种方式。（）由招标单位发布招标广告，只要有意投标的承包商都可以购买招标文件，参加资格审查和进行投标工作。

A. 体力劳动
B. 脑力劳动
C. 智力劳动
D. 感知劳动

A. InnoDB uses row and table-level locks, but row locks are not escalates
B. InnoDB locks only those rows that are updated
C. InnoDB only uses row locks, not page or table-level locks
D. InnoDB row locks may be escalated to page or table-level locks
E. InnoDB uses row-level or table-level locks depending on the number of rows affected

A. 正确
B. 错误