宫颈肉瘤应行手术为（）
A.宫颈锥形切除
B.子宫全切术
C.子宫全切+双附件切除
D.子宫根治术
E.D+双侧盆腔淋巴结清扫术
参考答案：E
The doctor ______ and found there was something wrong with his eyes. [ ]
A. looked him after
B. checked him over
C. checked him about
限制性片段长度多态性（RFLP）是由于（）
A.碱基改变发生在内含子上
B.碱基改变发生在外显子上
C.碱基改变发生在增强子上
D.碱基改变发生在微卫星上
E.碱基改变发生在酶切位点上
