慢性涎腺炎不选（） A.超短波疗法 B.紫外线疗法 C.CO激光治疗 D.红外线疗法

下列各项有助于区别陈旧性心肌梗死和肥厚性梗阻型心肌病的为

A．劳力后心绞痛

B．心前区杂音可受药物和运作影响

C．左室肥厚

D．心电图有病理性Q波

E．晚电位检查阳性

--I've been waiting for the phone from my uncle since 5 o'clock.

--________. He is not only a skillful driver but he also knows the road very well.

A．How long has he been away?

B．What's the matter with him?

C．I don't think you should worry about him.

D．I'm afraid there's something wrong with the telephone.

—What’s this?

—It’s __________ UFO.

A．a                  B．an                  C．the

车间设计时的原始资料（）。

A.不是很重要

B.向政府部门索要

C.向有关部门购买

D.自己去收集或要求有关部门提供

胃癌的好发部位依次是（）.

A.胃小弯、胃窦、胃大弯

B.胃窦、胃小弯、贲门

C.贲门、胃窦、胃大弯

D.胃小弯、贲门、胃窦

E.胃窦、贲门、胃小弯