患者，男性。持续性上腹隐痛3个月，多次查大便隐血试验阳性，食欲不振，消瘦。体检：面色

数据库的体系结构由( )来组织。

A．数据库，文件，记录
B．模式，外模式，内模式
C．物理级，数据级，信息级
D．文件级，记录级，数据级

2005年10月《中国国家地理》将什刹海风景区评选为______之一。P82

某烧结机4月份计划检修8小时，内因停机4小时，问4月份该机设备作业率为多少？

Blind photography sounds strange．But a striking exhibition of photographs in California argues that it develops as a result of the contemporary art．The show "Sight Unseen", at the California Museum of Photography until Aug．29, includes everything: underwater scenes, landscapes, abstracts and everything else you might expect from a "sighted" photographer．

How do the blind take their photographs? Some rely on assistants to set up and then describe the shots （镜头） , and others just point and shoot in the right place．"Just like any good artists," says McCulloh．"They have their unique ways of operating．" One participating photographer is Pete Eckert, an artist with multiple degrees in design and sculpture who only turned to photography after losing his vision in the mid-1990s．He opens the shutter （快门） on his camera and then uses flashlights, lights, and candies to paint his scene on film．A former fashion photographer in Chicago, Weston, lost his vision due to AIDS in 1996 and focuses on images of destruction and disability．His photos are also a star of the show．

What do gallery-goers say? "I was very impressed by it．The technique and experience was amazingly different," says John Hesketh, a printmaker in Anaheim．"You never have a sense of feeling sorry for these people because they've worked very hard to prove their value．"

Beyond the praise, however, the exhibition also makes a great example for disabled people everywhere．That point was explained in early May during a discussion on the TV show．At the very end of the talk, one attendee expressed his opinion．"This exhibition is extraordinary and revolutionary for many reasons．I think that by being an artist with a disability, you are continuing the work of those people who fought for basic civil rights to gain access and to have a voice．In that way, it's so wonderful that your photographs say it all．"

63．From the passage we know that some blind people take photos by______

A．describing the things to their assistants

B．holding the camera and shooting randomly

C．opening the shutter with the help of others

D．using special equipment designed for them

64．We can learn from the passage that blind photographers ______

A．were not born blind               B．do jobs related to art

C．focus on different subjects           D．like photos of destruction

65．What is people's reaction to the blind photography show?

A．They admire the blind photographers' hard work．

B．They feel really sorry for those blind photographers．

C．They think some have good techniques while others not．

D．They can understand the real meaning of each photograph．

66．The significance of the exhibition lies in the fact that ______．

A．the California Museum of Photography receives praises for holding the show

B．the public have a chance to know what the blind people are concerned about

C．the blind photographers have a good place to show their works

D．the exhibition can be very inspiring to the blind in the world

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