下列词语中没有错别字的一组是[ ] A．蹂躏　深邃　急流勇退　各行其事 B．联袂

认真阅读短文，判断句子的正误，正确的打“√”，错误的打“×”。

　　　　　　　　　　　　　　　A Picture of Our School

      Look! This is a picture of our school. There is a tall building in the middle of the picture. There is a big

playground in front of the building. There are many trees and flowers near the playground. The trees are green.

The flowers are red and yellow. And there are many boys and girls on the playground. They're playing games.

There is a house near the building. It's our school library (图书馆). And our department (公寓) is next to it.

We all like our school very much.

( ) 1. There is a big playground in the middle of the picture.

( ) 2. This is a picture of their school.

( ) 3. There are many flowers and trees in our school.

( ) 4. Many students are playing games on the playground.

( ) 5. Our school library is near the tall building.

患者52岁，男性，3周前发现右下后牙牙龈有小包，有时口腔内觉有咸水。无其他不适，曾在外院照X片。查见右下第一前磨牙咬合面龋洞深，探无感觉，叩痛异常感，右下第一磨牙近中根尖部龈瘘，叩痛（-），牙髓活力正常。X片见右下第一前磨牙根尖X透射区不规则，边界模糊。右下第三磨牙前倾阻生，余未见异常。

对瘘管可能做的处理如下（）

A.瘘管上药

B.瘘管切除

C.根尖手术

D.根管成形

E.治疗后观察

当它的外壳变成半透明状的时候，不属于它的身体状态的一项是( )。

A．外骨骼湿润

B．有毛皮孔的骨骼湿润

C．外骨骼干燥

D．表层下面呈现红色

特种设备使用单位特种设备出现故障或者发生异常情况，未对其进行全面检查、消除事故隐患，继续投入使用的，由特种设备安全监督管理部门责令限期改正；逾期未改正的，处1000元以上1万元以下罚款；情节严重的，责令停止使用或者停产停业整顿。

能否带电连接、拆卸仪器？