题干

一质点以a=2m/s2的加速度做匀加速直线运动,从某时刻起,经过10m的位移发生的速度变化△v=4m/s,则(   )

A:质点在该段位移上的平均速度为4m/s

B:质点通过该段位移所用的时间为3s

C:质点在该段时间中间时刻的瞬时速度为5m/s

D:质点在该运动过程的末速度为6m/s

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C

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    It seems that there is never enough time in the day. But,since we all get the same 24 hours,why is it that some people achieve much more than others?____.

Keep a to-do list.

    You should have a reminder system to tell you when you need to do what.____Carry a pen andpaper wherever you go and write down the things you need to do, including appointments and deadlines.

Set goals.

    Set yourself specific goals,and make sure that they are realistic. To do this, you first need to examine your present situation and assess(判断)which goals are important to you. Have a secondary route to your goals in case you have to change your plans.

Break down (分解)tasks.

    Break goals down into different parts so that you can accomplish them one step at a time____Try to complete one task before you go on to the next.

Organize your time.

    ____A good way to do this is to record everything you do for a week in detail and then examine your record to see how you use or waste your time.

____

    Keep your work space tidy so that you can work efficiently - it's hard to work if things you need to find are buried under a pile of paper! Work to schedule (为...安排时间)so that you can meet deadlines in good time - don't leave everything until the last minute.

A Develop a regular work order.

B. Make a detailed plan.

C. The best time to do something is usually NOW.

D. The answer lies in good time management.

E. Don't try to remember everything in your head.

F.Write these steps down, and try to be as detailed as you can when you do this.

G. Identify areas of your life where you are wasting time and try to reduce them.