关于肺结核处于稳定期的描述下列哪项是不正确的
A.病变无活动性
B.空洞关闭
C.痰菌连续阴性达3个月以上
D.有空洞者痰菌阴性连续1年以上
E.痰菌连续阴性达6个月以上
参考答案:C
一个正方形的边长增加3厘米,面积就增加39厘米,原来正方形的面积是多少平方厘米?
She _____an old friend of hers yesterday while she was shopping at the department store. [ ]
A. turned down
B. dealt with
C. took after
D. came across