下列哪项不符合胸壁疾病所致胸痛的临床特点
A.疼痛部位较固定B.局部有压痛C.因情绪激动而诱发D.胸廓活动时加剧E.深呼吸或咳嗽可加剧
参考答案:C
.—I wonder whether the speaker has arrived.
— ________ ,I’ll check at the reception desk.
A.Wait and see
B.Beg your pardon
C.If you’ll excuse me
D.It’s still early
X线照片锐利度的叙述,错误的是
A.半影导致影像的模糊B.半影越大影像锐利度越差C.肢-片距越大影像锐利度越差D.焦-片距离大半影小影像锐利E.阴极端影像锐利度大于阳极端