脂溢性角化病最常用的处理办法是()
A．不需治疗
B．冷冻
C．激光
D．电灼
参考答案：A
---Where is Linda? Do you know?
---Linda _______ South Hill with her parents , and they will be back this afternoon.
A．has gone to
B．have gone to
C．has been to
D．have been to
什么是离浆作用？为什么？
