在CAD中用块()命令定义的内部图块,只能在定义它的图形文件内自由调用。

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问题:

在CAD中用块()命令定义的内部图块,只能在定义它的图形文件内自由调用。

考点:计算机科学技术AutoCADAutoCAD题库
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城建档案的案卷编目包括的内容。

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     The early 1900s were very different from today.Toys,though they have evolved in many ways,were

still the delight of children everywhere.

     Theodore Roosevelt's Presidency marks the beginning of the "Teddy Bear". In the year 1902,toy

bears were named "Teddy" after the president's nickname.The Teddy Bear became known worldwide,

and is still known and loved today.It was only a few years later that the Teddy Bears were mass

produced.

     In 1913,an item called the Erector Set was invented.It was a steel,motorized toy that children could

use to build models of anything.Its creator was A. C.Gilbert,a medical doctor.

     Charles Pajeau created a similar wooden set called Tinker Toys in the year 1914.Tinker Toys were

made for younger children.

     Raggedy Ann dolls first came on the scene after newspaper cartoonist Johnny Gruelle reproduced

the doll he made for his daughter.That was in 1915.

     The following year,an architect's son named John Lloyd Wright,invented Lincoln Logs,which were

interlocked to make structures.

    Two years after Mickey Mouse was created,stuffed(填塞)Mickey Mouse dolls were made by

Charlotte Clark.This was the start of Disney merchandise.

     The yoyo became popular in the United States after Donald Duncan bought a yoyo company in

1929.

     The ViewMaster,a three dimensional viewer,was developed by a camera enthusiast named William

Gruber.The toy became popular when Gruber licensed Disney characters to make still,3D images from

Disney movies and television programs.

    Finally,in 1940,model airplanes were mass produced.They started out as a way for manufacturers to

sell planes to the military,but later caught on as a toy.

    The toys that we know and love today have had their roots from these ancient times.Isn't it interesting

to know that if it hadn't been for all these creative people,most of the games you know today would

never have been?

1. Why were toy bears named "Teddy"?

A. To be suitable for mass production.

B. To be easily pronounced by children.

C. To meet the advertisers' needs.

D. To memorize President Theodore Roosevelt.

2. In which aspect do the toys created by Gilbert differ from those by Charles?

A. Shape.  

B. Material used.

C. Themes.  

D. Price.

3. When did the ViewMaster become popular?

A. After William Gruber was born.

B. After Gruber licensed Disney characters.

C. Two years after Mickey Mouse was created.

D. When Disney merchandise was started.

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升入初中,我们的学习有了一些变化,我们要把握学习的新节奏。下列做法不正确的是[ ]

A、了解学习的新特点

B、别人怎么学自己就怎么学

C、做学习的管理者

D、找到适合自己的学习方式和方法

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水帘提温的原理是什么?

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某地农村产妇分娩一女婴。由于第三产程子宫收缩无力,产妇的胎盘迟迟未娩出。此时,无证个体医王某,在一不消毒,二不戴消毒手套的情况下,将手伸进子宫,误认为还有一胎儿未娩出而向外猛拉子宫,当场造成产妇大出血死亡。根据{执业医师法}的规定,应依法追究王某的法律责任,但其法律责任不包括

A.责令改正

B.予以取缔

C.没收违法所得及其药品、器械

D.赔偿责任

E.刑事责任

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