货物列车在坡道上停车，使用人力制动机紧固器使列车制动，开车前，由（）负责撤除止轮器与紧固器。
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You want to schedule a job to rebuild all indexes on the SALES table after the completion of a bulk load operation. The bulk load operation must also be a scheduled job that executes as soon as the first file that contains data arrives on the system. How would you create these jobs?（）
A. Create both jobs by using events raised by the scheduler
B. Create both jobs by using events raised by the application
Create a job to rebuild indexes by using events arised by the application and then create another job to perform bulk load by using events raised by the scheduler
D. Create a job to rebuild indexes by using events arised by the Scheduller and then create another job to perform bulk load by using events raised by the applicatio
经审批同意录用的员工，用人单位自用工之日起即与员工建立劳动关系，并应自用工之日起（），与员工订立书面劳动合同。
A. 半个月内
B. 一个月内
C. 一个半月内
D. 三个月内
下列对技术训练的要求说法有误的是（）
A. 技术训练要坚持全面训练
B. 技术训练要突出重点训练
C. 技术训练要坚持阶段性训练
D. 技术训练要注意应用训练
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