早期诊断的黑素瘤可采用的治疗方法()
A．局部手术切除
B．附近淋巴结清扫
C．高位截肢以防止转移
D．术后联合化疗
参考答案：A
社会化的社会主体包括（）。
A.家庭
B.学校
C.同龄群体
D.工作单位
E.大众传播媒介
–---I’ve decided to spend the summer holidays traveling in Australia.
----Oh, ________!
A．if only I could go with you
B．what a good news it is
C．how happily I was to hear that
D．what exciting to hear the news
