是一种高度恶性肿瘤,主要经血液转移
A.宫颈粘液结晶B. * * 脱落细胞学检查C.分段诊刮D.宫颈涂片E. * * 镜检查
参考答案:E
_____ the fact that his initial (开始的) experiments had failed, Pro. White persisted (坚持) in his research. [ ]
A. Because of
B. As to
C. In spite of
D. In views of
检定数据记入自编格式的原始记录内,保持时间为()。
A、三年
B、二年
C、一年
D、半年