电动阀门安装包括()安装。A.阀门 B.电动机 C.连杆 D.补偿器

题型:单项选择题

问题:

电动阀门安装包括()安装。

A.阀门

B.电动机

C.连杆

D.补偿器

考点:建设工程技术与计量(安装工程)第四节常用电气与通信材料第四节常用电气与通信材料题库
题型:单项选择题

阅读理解。

       There are forty-eight students in our class. There are twenty- three boys and twenty- five girls. Some

  students live near the school, and some others live very far from the school About half of the students

  come to school by bike. They often get to school at a quarter to seven. About ten students often come to

   school by bus. They often go to school very early, too. Another ten students come to school on foot.

  Their homes are near the school, but they are often late for school, because they get up very late.

根据短文内容,选择正确答案。

1. More than half of the students usually come to school _____.

A. very late    

B. very early        

C. by bus

2. Some students are often late for school because _____.

A. their homes are far from the school

B. they go to school on foot

C. they get up very late

3. About _____ students go to school by bike.

A. forty-eight  

B. ten        

C. twenty

4. About ten students often come to school by bus because _____.

A. their homes are not near the school

B. they don't have any bikes

C. they can't ride bike

5. How many students live far from the school?

A. About thirty-eight .

B. About twenty. 

C. About ten.

题型:单项选择题

如左上8765和右上5678缺失,余留牙正常口底至舌侧龈缘的距离为10mm。设计铸造支架义齿,左下4和右下4采用RPI卡环组

如果用RPA卡环组代替RPI卡环组基牙颊侧因环形卡环臂的坚硬部分应位于()

A.颊侧近中,观测线上方的非倒凹区

B.颊侧近中,观测线下方的倒凹区

C.颊侧远中,观测线上方的非倒凹区

D.颊侧远中,观测线上缘

E.颊侧远中,观测线上方的非倒凹区

题型:单项选择题

下列句子中加点词语的意义与现代汉语相同的一项是(3分)

A.思厥先祖父,暴霜露,斩荆棘,以有尺寸之地

B.君子曰:学不可以已。

C.然后知吾向之未始游,游于是乎始

D.苟以天下之大,下而从六国破亡之故事,是又在六国之下矣

题型:单项选择题

在材料采购合同的履行中,如供货方交付货物的数量高于合同规定时,可在承付期内( )。

A.拒付全部货款和运杂费

B.拒付多付部分的货款,但不得拒付多付部分运杂费

C.拒付多付部分的货款和运杂费

D.延期支付全部货款和运杂费

题型:单项选择题

患者,男,60岁,近两个月患者无明原因地出现消瘦,并感四肢无力,口干。查见:眼球活动自如,无复视,四肢近端肌力Ⅳ级,远端Ⅴ级,膝、踝反射消失,病理征阴性。血生化,血糖正常,胸片怀疑占位性病变。本病考虑最可能的诊断为()

A.低钾性周期性瘫痪

B.重症肌无力

C.多发性肌炎

D.进行性肌营养不良

E.Lambert-Eaton综合征

更多题库