卵巢恶性肿瘤的特点是()
A.肿瘤生长迅速
B.常为单侧性
C.血沉一般正常
D.病程较长
E.肿瘤表面光滑
参考答案:A
The boy cheated in the English examination so he deserved ________.
A.being punished
B.to be punished
C.to punish
D.having punished
简述假设的特征。