近日,家住北京昌平的张女士打来电话,说自己半个月前在昌平农贸市场买了一袋腐竹。这袋腐竹和平时在超市买的不一样,她怀疑腐竹有问题,不敢吃。记者来到了张女士家,她拿出几根腐竹给记者演示,这些腐竹特别有韧劲,可以掰弯,但折不断。张女士说,按照自己的经验,质量好的腐竹应该是脆的,一掰就断,所以 Recently, Ms. Zhang, who lives in Changping, Beijing, called and said she bought a bag of yuba in Changping Farmers Market two weeks ago. This bag of yuba and usually bought at the supermarket is not the same, she doubts that there is a problem yuba, dare not eat. Reporters came to Ms. Zhang home, she took out a few dried bean to reporters, these yuba especially tenacity, you can bend off, but off constantly. Ms. Zhang said that in accordance with their own experience, good quality yuba should be crisp, a broken off, so