乳腺囊性增生病的临床表现是
A． * * 血性溢液B． * * 肿块伴周期性胀痛C． * * 内无痛肿块D． * * 急性红肿伴肿块
参考答案：B
绝对估值是指通过对证券的基本财务要素的计算和处理得出该证券的绝对金额值。( )
Tom's father _______ a second-hand car. [ ]
A. need to buy
B. needs buy
C. need buy
D. needs to buy
