用地砖铺设长7.5m、宽5m的房间地面。甲地砖的长与宽尺寸规格为50cm×40cm，

短文改错/Proofreading and error correction

It was the chance of a lifetime to win the first prize on the Story Writing Show. All I had to do was to write a story or present it. My teachers have been telling me how great my writing was. So if they had said was true, I would have a chance of winning the prize. What were better, I had useful help. There was Uncle Chen, gentleman living near my house, who was a very much famous writer. He agreed to reading my story and give me some advices on how to write like a real writer.

2（）

下列哪项为脑脊液检查的禁忌证（）

A.脑膜刺激征阳性者

B.疑有颅内出血者

C.原因不明的昏迷、瘫痪者

D.疑有中枢神经系统恶性肿瘤

E.颅内压明显增高者

患者，男，缺失，余留牙正常，进行可摘局部义齿修复，基牙设计弯制卡环

上设计（）

A.间隙卡环

B.上返卡环

C.下返卡环

D.单臂卡环

E.双臂卡环

土家族信（）宗教。

A.伊斯兰教

B.佛教

C.天主教

D.多神

无症状型冠心病( )

A．病人无症状，而心电图有心肌缺血性改变，心肌无明显组织形态改变
B．由于冠状动脉闭塞以致心肌急性缺血坏死，症状严重，常伴有心力衰竭、心律失常、心源性休克、猝死等严重并发症
C．因原发性心脏骤停而死亡，多为心脏局部发生电生理紊乱，引起严重心律失常所致
D．因长期心肌缺血导致心肌纤维化引起，表现为心脏增大、心力衰竭和心律失常
E．发作性胸骨后疼痛，为一时性心肌供血不足引起，心肌可无组织形态改变或伴有纤维化改变