--If you like the new house, I suggest you buying it.

---But it's really too expensive. I can't______ it.

A．get

B．afford

C．supply

D．support

喷嘴调节的凝汽式汽轮机的调节级，其最危险的工况是（）的时候。

A.额定流量

B.最大流量

C.所有调节汽阀全开

D.只有一个调节汽阀全开，其余均关闭