以下各选项中,都属于硬件的选项是( )。A.CPU、ROM和DOS B.软盘、硬盘

题型:单项选择题

问题:

以下各选项中,都属于硬件的选项是( )。

A.CPU、ROM和DOS

B.软盘、硬盘和光盘

C.鼠标、WPS和RAM

D.ROM、RAM和PASCAL

考点:会计资格考试会计从业资格(会计电算化)初级会计电算化
题型:单项选择题

 阅读理解。

       Today we find that school students hardly spend much time on sports. Is it because they aren't

  interested in sports? No, they often say they have other more important things to do.

       What are these important things? Exams! They have to spend much time on all kinds of exams at

  school. So many of them almost become bookworms (书呆子). Books stop them from going out for

  sports. Because of the pressure from their parents and teachers, the students have to work harder and

  spend most of their time on books. As for the students, they want to get good results in order to improve

   their studies. So it is necessary for them to give all of their free time to their studies and stop their school

  sports.

       In fact, education (教育) can't go without (没有) physical (身体的) exercises, because a quick

  mind hardly goes along with a weak body. If you don't have a strong body, you can never get anything or

  any great success (成功) in your life.

1. Because of _____, the school students can't spend much time on sports.

A. no interest

B. exercise

C. education

D. exams

2. The word "pressure" means _____.

A. happy feeling

B. good idea  

C. nervous feeling

D. deep love

3. If you don't have _____, you can never get anything.

A. good parents

B. a strong body

C. a weak body

D. enough time

4. In the writer's opinion, students should _____.

A. work all day and night

B. not have sports

C. have sports after studying

D. spend all their free time studying

5. Which of the following is WRONG?

A. The students don't go out for sports because of their parents.

B. Physical exercises are very important for education.

C. A person can't become successful with a weak body

D. The students stop their school sports because of studies and exams.

题型:单项选择题

已知两圆的半径分别为3和7,且这两圆有公共点,则这两圆的圆心距d为       .

题型:单项选择题

液化石油气液体比水轻,所以液化石油气液体火灾能用水灭。

题型:单项选择题

加油加气站在可燃液体罐的防雷措施中,油罐的良好接地很重要,它可以降低雷击点的电位、反击电位和跨步电压。规定接地点不少于(),是为了提高其接地的可靠性。

A、一处

B、两处

C、三处

D、四处

题型:单项选择题

厨房的两个调料瓶中分别盛有精盐(NaCl)、碱面(Na2CO3)两种固体,请你利用所学的知识用化学方法将它们区别开,简要写出操作步骤、现象和结论.

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