在△ABC和△中,AB=,∠B=∠,补充条件后仍不一定能保证 △ABC≌△,则补充的这个条件是( ) A.BC= B.∠A=∠ C.AC= D.∠C=∠ 答案: C 解析:选项A满足三角形全等的判定条件中的边角边,选项B满足三角形全等的判定条件中的角边角,选项D满足三角形全等的判定条件中的角角边,只有选项C 不满足三角形全等的条件.I was walking through the university town of Oxford _____
a tourist stopped me and asked me for directions.
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A. while B. when C. as
D. since