女性,20岁。患者右下第一磨牙龋洞深,探底中硬不敏感,热测引起迟缓痛,刺激去除后疼痛

题型:单项选择题

问题:

女性,20岁。患者右下第一磨牙龋洞深,探底中硬不敏感,热测引起迟缓痛,刺激去除后疼痛持续时间长,其原因是()

A.牙髓坏死

B.急性牙髓炎

C.可复性牙髓炎

D.慢性增生性牙髓炎

E.慢性闭锁性牙髓炎

考点:重庆住院医师口腔科Ⅰ阶段牙体牙髓病学牙体牙髓病学题库
题型:单项选择题

骨ALP在血清中的半寿期为()

A.5分钟

B.5小时

C.1~2天

D.1~2周

E.1~2月

题型:单项选择题

Passage Three

More than 6,000 children were expelled (开除) from US school last year for bringing guns and bombs to school, the US Department of Education said on May 8.
The department gave a report to the expulsions (开除) as saying handguns accounted for 58% of the 6,093 expulsions in 1996—1997, against 7% for rifles (步枪) or shotguns and 35% for other types of firearms.
"The report is a clear sign that our nation’s public schools are cracking down (严惩) on students who bring guns to school," Education Secretary Richard Riley said in a statement.
In March 1997, an 11-year old boy and a 13-year old boy using handguns and rifles shot dead four children and a teacher at a school in Arkansas. In October, two were killed and seven wounded in a shooting at a Mississippi school. Two months later, a 14-year old boy killed three high school students and wounded five in Kentucky.
Most of the expulsions, 56%, were from high school, 34% were from junior high schools and 9% were from elementary schools, the report said.

The report from the US Department of Education shows that______.

A.the number of the expulsions is not large.

B.the number of the expulsion is wrong.

C.there are soldiers hiding among the students.

D.guns are out of control in the US schools.

题型:单项选择题

Maybe the disaster can destroy our homes, but_______can destroy the love in our people.

A.something

B.everything

C.anything

D.nothing

题型:单项选择题

以下关于古代罗马军事家和政治家马略军事改革的内容,正确的是( )。
①整顿军纪,加强训练
②实行固定的军饷报酬
③统一武器装备
④改革军队编制,调整战术队形,进口先进武器
⑤延长士兵的服役期限为6年,服役期满后可从国家分得一块份地
⑥以征兵制代替募兵制

A.①③⑥

B.②③④

C.①②③

D.④⑤⑥

题型:单项选择题

下面关于函数依赖的叙述中,不正确的是( )。

A.若X→Y,Y→Z,则X→Z

B.若X→Y,

,则X→Y'

C.若X→Y,X→Z,则X→YZ

D.若XY→Z,则X→Z,Y→Z

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