题目

 —I prefer speaking to listening in English learning. —Oh, really! I think you should be good at ______ of them. A. both                 B. neither              C. some                D. all 答案：A如图在△ABC中，∠B=40°，∠C=70°，AD⊥BC于D，AE平分∠BAC交BC于E，则∠DAE等于(　　) （A）70°　　　　（B）35°　　 （C）15°　　　　 （D）20°