嫁接技术要求()。
A.平
B.快
C.齐
D.紧
参考答案:A, B, C, D
He said he ________Tibet.[ ]
A. is going to
B. will go to
C. was going
D. was going to
关于CIN的论述,错误的是
A.是宫颈癌的癌前病变
B.根据病变侵犯上皮的程度分为三级
C.宫颈原位癌是指原发于宫颈的癌症
D.Ⅲ级包括重度不典型增生和原位癌
E.级别越低,自然退缩的机会越多