计算机按照处理数据的形态可以分为
A．巨型机、大型机、小型机、微型机和工作站
B．286机、386机、486机、Pentium机
C．专用计算机、通用计算机
D．数字计算机、模拟计算机、混合计算机
参考答案：D
解析：计算机按照综合性能可以分为巨型机、大型机、小型机、微型机和工作站。按照使用范围可以分为通用计算机和专用计算机。按照处理数据的形态可以分为数字计算机、模拟计算机和专用计算机。
| 完形填空。 | |||
| Mr. Li had never been up in an airplane before and,he had read a lot about accidents. So one day when a friend came to his house and wanted to take him for a ride in his own small plane,Mr. Li was very 1 . He thought to 2 ."If I don't agree,my friend may not be happy. 3 if I agree,I am really afraid that there might be some danger. " 4 ,however,his friend made him believe that it was very 5 ,and Mr. Li got on the plane. His friend 6 the engine(发动机)and the plane began to move along on the ground of the 7 . Mr. Li was very frightened and 8 his eyes. After a minute or two he opened them,looked out of the window of the plane,and said to his friend,"Look 9 those people down there. They look as 10 as ants(蚂蚁),don't they?" "Those are ants,"answered his friend. "We are still on the ground. " | |||
| ( )1. A. excited ( )2. A. him ( )3. A. And ( )4. A. Finally ( )5. A. interesting ( )6. A. began ( )7. A. airport ( )8. A. opened ( )9. A. up ( )10. A. slow | B. pleased B. himself B. For B. First B. safe B. carried B. town B. closed B. over B. big | C. worried C. he C. So C. Last C. comfortable C. moved C. station C. with C. at C. strange | D. glad D. his D. But D. Slowly D. dangerous D. started D. garden D. looked D. after D. small |