哪种唾液腺肿瘤易侵犯面神经，引起疼痛、面瘫等神经症状（）
A.多形性腺瘤
B.黏液表皮样癌
C.沃辛瘤
D.腺样囊性癌
E.未分化癌
参考答案：B
Some of our industrial products may well be said ________ advanced level.
A．to reach
B．to be reaching
C．to have reached
D．to have been reaching
下列哪个数代表八进制整数
A．0XA5
B．0144
C．1840
D．-1
