There are strategies typically deal with threats or risk that may have negative impacts on project objectives if they occur,some other strategies are suggested to deal with risks with potentially positive impacts.() is a risk response strategy that may be adopted for either threats or opportunities.

A、share

B、Mitigate

C、Transfer

D、Acceptance

下列成语中，不属于物理变化的是（　　）

A．木已成舟

B．花香四溢

C．蜡炬成灰

D．滴水穿石