问题 单项选择题 共用题干题

患者男,25岁,上前牙区反复出现脓包就诊,查体牙体变色,颊侧见一小脓点,按压少量脓液流出,舌面见充填物,X线片见根尖区阴影,根中1/3高密度不透光物,诊断为慢性根尖周炎,器械分离

临床操作中哪项不是避免出现器械分离的方法()

A.规范操作

B.严格选择根管预备器械

C.润滑根管

D.使用大号器械探查根管

E.术前拍X线片

答案

参考答案:D

单项选择题
阅读理解

Lane waited on the bench nearest the bridge, as he had been instructed.. The strong wind blew straight across the river, and he had to put his overcoat closer about him.

He went over his instructions in his mind. The spy would appear at four o’clock. He would talk to Lane for a while, after which he would get up, leaving his newspapers behind. The plans would be found inside.

A distant clock began to strike the hour. As if from nowhere, a man appeared and sat down beside Lane, placing his newspaper on the seat between them. He was thin and middle-aged, and seemed in need of a good meal. He didn’t look like a successful spy, Lane thought. His talk about the weather was uninteresting.

A few minutes later he got up and continued on his way. Lane picked up the paper which lay on the bench, as if he wanted to read the news. He was excited to see the plans, stuck on the center page. At that moment, however, there was a strong gust of wind which lifted the newspaper into the air, like a kite, and blew it into the river.

小题1:Which of the following statement is TRUE?

A.Sitting on the bench, Lane repeated his orders to himself

B.Lane would read about the plans in the newspaper.

C.The man Lane was expecting didn’t arrive on time

D.The man who suddenly appeared was not the one Lane was waiting for.小题2:The spy was going to give Lane some important        .

A.papers

B.information

C.instructions

D.advice小题3:Lane found the spy very         .

A.interesting

B.peculiar

C.ordinary

D.well-fed小题4: The spy left the newspaper        .

A.by the plan

B.by mistake

C.at Lane’s request

D.out of kindness