米非司酮的禁忌症,正确的是。()
A.对本品过敏者
B.心、肝、肾疾病患者及肾上腺皮质功能不全者
C.不受年龄限制
D.带宫内节育器妊娠和怀疑宫外孕者
参考答案:A, B, D
I'll never forget the days ____ I learned hard in my senior high school, ____ changed my whole life.[ ]
A. that; which
B. when; which
C. which; when
D. that; that
在零件图上标注尺寸时有哪些要求?