下列哪项是乳腺癌的高危因素？（）
A.既往有乳腺疾病
B.长期素食
C.有乳腺癌家族史
D.长期生活不规律
E.长期挑食习惯
参考答案：A, C, D
下列各组词中，没有错别字的一组是( )
A．彳亍隔阂嬉笑绿草如阴
B．漂泊苍茫凄婉不加思索
C．忸怩屠戮菲薄生杀予夺
D．恩慧窒息尸骸阳光明媚
When the dispute over duty payment arises between the duty payer and the Customs, the duty payer should first pay the duty and then, within （） of the issuance of the duty memo, apply to the Customs in writing for a reconsideration of the case.
A. 10 days
B. 20 days
C. 30 days
D. one year
