【C12】A．constructB．remainC．destroyD．provide

【C6】______A．provide forB．provided forC．providing forD．provides for

Cooling makes the engine metals their mechanical properties.A.RemainB.to remainC.retainD.t

Such a database would be extremely costly to set up.A.updateB.transferC.destroyD.establish

【C12】A．theB．aC．anD．／

The defense computers calculate ways to______the enemy missiles.A．spoilB．harmC．destroyD．da

在VFP中，对象方法或事件代码在运行过程中产生错误时将引发（)事件。A.LoadB.InitC.DestroyD.E