不易发生颈淋巴结转移的肿瘤是（）。
A.鼻咽癌
B.喉咽癌
C.甲状腺癌
D.舌癌
E.声带癌
参考答案：E
Would you please _____ class, boy? [ ]
A. not to talk in
B. not talk in
C. not to talk in the
D. not talk in the
项目节能审查按照项目管理权限实行______管理。
A．分级 B．垂直C．放任 D．交叉
