题目

It seems there are________people out of work because of economic crisis. Something must be done to create more employment. A . a great many B . a great many of C . a great deal D . a great deal of 答案：A（2002•烟台）如图，在直角三角形ABC中，AC≠AB，AD是斜边BC上的高，DE⊥AC，DF⊥AB，垂足分别为E、F，则图中与∠C（除之C外）相等的角的个数是（ ）A．2B．3C．4D．5