第21题: [单项选择]The lion ate up Bill because ______. [A] Bill gave him too little food [B] Bill made him angry [C] he was so hungry that he looked on his keeper as an animal 参考答案:C 答案解析:见第二段“very hungry…by mistake…”。
第33题: [单项选择]The concept of ______ grouping of people with similar interests and abilities was very popular among educators. A. segregated B. integrated C. homogeneous D. heterogeneous 参考答案:C 答案解析:(homogeneous类似的,同族的)。句意为:在教育者当中,将兴趣和能力相仿的人分到同一组中去,这种观念是十分普遍的。A.segregated被隔离的;B.integrated取消隔离的,整体的;