关于铸件的冷却方式，说法不正确的是

A．纯钛金属则采取缓慢降温冷却

B．18-8不锈钢，待金属凝固后立即投入冷水中冷却

C．以上说法均不正确

D．包括快速降温冷却和缓慢降温冷却

E．中熔合金铸件待合金凝固后约1分钟，将整个铸圈放入室温水中冷却

Underground railway is being built in Shenyang. We are sure to take the subway to ______ in the city in no time.[ ]

A. get through

B. get around

C. get together

D. get over