用来接受来自调节器的控制信号或直接来自操作人员的指令, 使调节阀的开度产生相应的变化

题型:单项选择题

问题:

用来接受来自调节器的控制信号或直接来自操作人员的指令, 使调节阀的开度产生相应的变化,改变操作变量,使生产过程按预定的要求正常进行是()。

A.测量元件和变送器

B.传感器

C.执行器

D.调节器

考点:轻烃装置操作工轻烃装置操作(中级工)轻烃装置操作(中级工)题库
题型:单项选择题

著名实业家张謇在《张季子九录·文录》中说:“起而革命者,代不乏人,然不过一朝一姓之变革而已。孙中山之革命,则为国体之改革,与一朝一姓之变革迥然不同。”他之所以肯定辛亥革命,是因为[ ]

A.孙中山是资产阶级民主革命的先行者

B.辛亥革命结束了中国旧的政治制度

C.辛亥革命促进了民族资本主义的发展

D.辛亥革命使中国走上了民主共和的道路

题型:单项选择题
在比例里,两个外项互为倒数,一个内项是
3
5
,另一个内项是______.
题型:单项选择题

患者,女性,38岁,左下颌第三磨牙根管治疗后第2天,左侧口角充血、皲裂。既往无类似病史。诊断考虑为()

A.念珠菌性口角炎

B.疱疹性口角炎

C.球菌性口角炎

D.创伤性口角炎

E.毒物性口角炎

F.营养不良性口角炎

G.接触性口角炎

题型:单项选择题

Part 4


Questions 26-45


·Read the following text and decide which answer best fits each space.
·For questions 26-45, mark one letter A, B, C or D on the Answer Sheet.

Speaking Her Hind


By the time they turn 55, most Hollywood actresses see their careers start to fade. Not (26) for Susan Sarandon, who will help kick offthe fall movie season with three films.
(27) of the movies are likely to be blockbusters, but Sarandon chooses her (28) more for the stories they tell (29) for their commercial potential. "If we’re very lucky, these films will (30) questions that people will talk about," she says.
She’s done her own share of questioning, and arrived at a place in life (31) she’s not afraid to stand (32) her convictions—and then follow (33) with action. The eldest of nine children in a New Jersey Roman Catholic family, she stumbled into an acting (34) when she attended an audition with her ex-husband, Chris Sarandon. Twenty-five years and five Oscar nominations later, she (35) a Best Actress Academy Award for her role as Sister Helen Prejean in 1995’s Dead Man Waling, a searing film about capital punishment.
By (36) Sarandon was practiced at using her celebrity to (37) causes close to her heart. (38) , while presenting an award at the 1993 Oscars, she and longtime partner Tim Robbins, an actor and director, took 30 seconds of their podium time to speak on (39) of Haitian refugees with AIDS. "At the (40) of acting and activism is imagination," Sarandon says. "I’ve (41) had the ability to imagine being in someone else’s shoes."
She is a supporter of end-hunger and poverty (42) including Heifer International, Madre, and Habitat for Humanity, as (43) as the Center for Constitutional Rights. In the aftermath of September 11, she cooked for workers at Ground Zero, did benefit performances, and befriended firefighters and victims’ families.
Sarandon is (44) hands-on in the role she calls her (45) important—mother of three children.

A.on

B.out

C.in

D.by

题型:单项选择题

关于"肾结核"的影像,下列说法哪项不正确()

A.不规则钙化

B.肾盏破坏

C.肾盂可以无破坏

D.所有患者肾影均缩小

E.IVP示,肾盂显影浅淡

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