子宫颈癌的早期症状是
A． * * 排液
B．月经周期改变
C．接触性出血
D．下腹痛
E．腹部包块
参考答案：C
--- Would you like black or white coffee?
--- Well, I ______ coffee ______ milk.
A．prefer ; to
B．prefer; with
C．would rather; than
D．like; better
根据我国出口收汇核销制度，企业在向银行结汇时必须提交核销单，否则银行不予核销。( )
