问题补充:
Quantities of water for cooling in the only one of the factories that steel.
A. has been needed;produces
B. have been needed;produce
C. is needed;produce
D. are needed;produces
答案:
A. has been needed;produces
B. have been needed;produce
C. is needed;produce
(答案→)D. are needed;produces
解析: 考查主谓一致,Quantities of+名词(可数或不可数)做主语时,谓语动词用复数,所以第一空应用复数形式,可排除A和C,第二空,one前面有the only修饰,故从句的动词应用单数,所以选D。