面部皮肤癌较多见的是
A．腺上皮癌
B．未分化瘤
C．基底细胞癌
D．鳞状细胞癌
E．淋巴上皮癌
参考答案：C
—The duty of ProjectHope is to help poor children, isn't it'?
—Yes, it has built many schools _____ those children can study happily. [ ]
A. where
B. when
C. which
信息系统工程实行 (2) 负责制。
A．总经理
B．管理者代表
C．总监理工程师
D．执行董事
