小题1:C
小题2:A
小题3:B
小题4:C
小题5:D
小题1:细节题：从文章的句子：“Because they are cheaper here than at the corner store near our home,”可知答案是C
小题2:细节题：从文章的句子：The taxi fare was more than the money that you save! ”可知最后Wilson太太花的钱更多。选A
小题3:推理题;从文章的最后一句话：Mrs. Wilson added everything up. Her children were right.可知孩子们很聪明。选B
小题4:推理题：从文章最后可知Wilson太太最后花的钱更多，所以会在家附近买东西。选C
小题5:主旨题：文章介绍Wilson太太的购物经历，选D