PC机的软件可以分为系统软件和应用软件，下列哪个属于应用软件？
A．操作系统
B．程序设计语言处理程序
C．数据库管理系统
D．文字处理软件
参考答案：D
解析：计算机软件系统主要分为系统软件和应用软件。系统软件主要是为应用软件提供服务的。最重要的系统软件是操作系统、语言处理程序、数据库管理系统、实用程序与工具软件等。应用软件是为了使用计算机解决某一个或者某方面的应用而开发的软件，流行的通用软件大致可以分为：文，表，图，网，统计等几大类。
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| Some of my classmates are not feeling __1__ today. Tom has a __2__ , he can't eat __3__ Jack has a headache. His mother asks him __4__ and rest. __5__ he can't come to school today. Peter is stressed out, __6__ the exam is coming. Nancy has a __7__ because she ate too much yesterday. She doesn't feel like __8__ anything. Jim has a sore throat, he should drink hot tea __9__ honey. Lucy has a toothache, too. She has to see __10__ after school. | |||
| ( ) 1. A. good ( ) 2. A. headache ( ) 3. A. something ( ) 4. A. lie down ( ) 5. A. So ( ) 6. A. because ( ) 7. A. headache ( ) 8. A. eat ( ) 9. A. and ( ) 10. A. her parents | B. well B. stomachache B. anything B. lies down B. But B. until B. toothache B. eats B. with B. her friends | C. health C. toothache C. everything C. lying down C. Or C. though C. stomachache C. eating C. or C. her teacher | D. ill D. sore back D. nothing D. to lie down D. because D. when D. sore throat D. to eat D. in D. dentist |