均发生于口腔小涎腺的腺癌是
A．黏液表皮样癌
B．腺样囊腺癌
C．多形性低度恶性腺癌
D．恶性多形性腺瘤
E．腺泡细胞癌
参考答案：C
--- Can you play tennis with us now?
--- _____. I have to finish my homework first.
A．Yes, I can’t.
B．No, I mustn’t.
C．I’m afraid not.
D．Of course
疼痛时，下列哪种药可引起谵妄和不安（）
A.咪达唑仑
B.异丙嗪
C.东莨菪碱
D.地西泮
E.哌替啶
