【多选题】在SQL Server中,触发器主要针对下列哪些语句创建?
【单选题】Knowing that the demand for wheat is inelastic, if all farmers voluntarily plowed under 10 percent of their wheat crop, then
A.
consumers of wheat would buy more wheat.
B.
wheat farmers would suffer a reduction in their revenue.
C.
wheat farmers would increase their revenue.
D.
the demand for wheat would decrease.
【单选题】体育是关于人体构造、身体构造、身体发展的教育,它包括 、人体力学原理及其运用的研究。
【单选题】Shari and Mary have a business that provides personal fitness training services. They know that after raising their prices from $40 to $60 per hour, the quantity of hours they spent delivering trainin...
A.
inelastic, with a price elasticity coefficient greater than one.
B.
inelastic, with a price elasticity coefficient less than one.
C.
elastic, with a price elasticity coefficient greater than one.
D.
elastic, with a price elasticity coefficient less than one.
【单选题】当250℉/121℃管道过热电门打开, 会引起哪个灯亮?
B.
空调跳开关断(PACK TRIP OFF)灯
C.
机翼/机身过热(WING BODY OVERHEAT)灯
D.
引气跳开关断(BLEED TRIP OFF)灯
【单选题】智能变电站一体化监控系统站控层的主要功能是()。
A.
实时运行电气量检测,运行设备状态检测,操作控制命令执行
B.
汇总本间隔的实时数据信息;实施对一次设备的保护控制功能;实施操作同期及其他控制功能;执行数据的承上启下通信传输功能;
C.
通过两级高速网络汇总全站的实时数据信息,不断刷新实时库,按时登陆历史数据库;将有关信息送往电网调度中心或控制中心;接受电网调度或控制中心有关控制命令;具有在线可编程的全站操作闭锁控制功能。
D.
实施对一次设备的保护控制功能;通过两级高速网络汇总全站的实时数据信息,不断刷新实时库
【单选题】Individuals base their demand for an asset on
A.
the expected return the asset offers compared with the returns offered by other assets.
B.
the riskiness of the asset's expected return.
C.
the asset's liquidity.
D.
the expected return, how risky that expected return is, and the asset's liquidity.
E.
the aesthetic qualities of the asset.
【单选题】What was Kodak's fatal mistake ?
A.
Its blind faith in traditional photography .
B.
Its failure to see Fuji Photo's emergence .
C.
Its refusal to sponsor the 1984 Olympics .
D.
Its overconfidence in its corporate culture .