下列神经递质中,不能够起唤醒和提高注意水平的作用的是() A.谷氨酸 B.去甲肾上腺

题型:单项选择题

问题:

下列神经递质中,不能够起唤醒和提高注意水平的作用的是()

A.谷氨酸

B.去甲肾上腺素

C.组胺

D.GABA

考点:生理心理学生理心理学题库
题型:单项选择题

下列属于测交的组合是[ ]

A.EeFfGg×EeFfGg

B.eeffgg×EeFfGg

C.eeffGg×EeFfGg

D.EeFfGg×eeFfGg

题型:单项选择题

()缺乏会导致家禽头颈极度向后仰呈观星症

A.维生素C

B.维生素B1

C.维生素B2

D.维生素A

E.维生素E

题型:单项选择题

阅读理解

      In December, 2010, many American newspapers publish a list of the best books of the year.

Freedom by Jonathan Franzen is one of the most repeatedly praised books on this year's list of

favorites. It tells about the ups and downs of the Berglund family over many years. Mr. Franzen fills

the book with sharp observations about American politics, culture and society.

      Jennifer Egan's book A Visit from the Goon Squad takes place in 13 chapters over 40 years.

The story moves back and forth in time, from different viewpoints. One main character is former

rock musician Bennie Salazar who works for a record company. The other main character is a

troubled young woman named Sasha who works for Bennie. The reader learns about their pasts

and those of their friends.

     The main character in The Imperfectionists by Tom Rachman is a failing English Language

newspaper published in Rome, Italy. Each chapter of the book tells about a reporter or editor

working for this paper. Their stories are filled with intelligence and great personality.

      Two of the most popular nonfiction books of 2010 were about rock and roll stars. Just Kids

is by rock singer Patti Smith.It tells about her friendship with the artist Robert Mapplethorpe in the

1960s and 1970s before they became famous. Life is the autobiography of Rolling Stones guitarist

Keith Richards. It is an honest and exciting look at the development of rock and roll and the wild

times this famous band has experienced.

      Unbroken by Laura Hillenbrand tells about a man named Louis Zamperini. She tells about his

extraordinary survival story after his plane crashed into the Pacific Ocean during Would War Two.

     Stacy Schiff has received great praise for her book Cleopatra: A Life. It tells about one of the

most misrepresented and famous women in his story, Cleopatra. She ruled ancient Egypt about

2,000 years ago.One critic said Ms. Schiff has brought Cleopatra to life again by unearthing her

story from centuries of lies.

1.  How many books are mentioned in the passage?

A.  5.  

B.  6.  

C.  7.  

D.  8.

2.  The following books are related to music EXCEPT________.

A.  A Visit from the Goon Squad

B.  The Imperfectionists

C.  Just Kids

D.  Life

3.  If your major is the history of ancient Africa, you may pay attention to ________.

A.  Freedom by Jonathan Franzen

B.  Unbroken by Laura Hillenbrand

C.  Cleopatra: A Life by Stacy Schiff

D.  The Imperfectionists by Tom Rachman

4.   Which book will give you a practical understanding of the USA?

A.  Freedom.

B.  Cleopatra: A Life.

C.  Life.

D.  A Visit from the Goon Squad.

5.  The last sentence of the passage implies that ________.

A.  Stacy Schiff is an archaeologist

B.  Stacy Schiff tells a story about an imaginary Egyptian queen

C.  the critic speaks highly of Cleopatra in history

D.  the critic finds the character in the book very real

题型:单项选择题

下列事例中,属于自动化人机系统的有()

A.电站集中控制室

B.自动化生产车间

C.司机驾驶汽车

D.轧钢工人操纵轧钢机

题型:单项选择题

关于产品焊接试板的制作要求说法中,错误的是()。

A.试板的原材料必须合格,且应与容器用材具有相同钢号、相同规格和相同热处理状态

B.试板应设置在筒节纵向焊缝的延长部位,与筒节同时施焊

C.试板应由施焊容器的焊工,采用施焊容器时相同条件与相同焊接工艺焊接

D.试板的焊接接头经外观检查合格后应局部射线检测合格

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