问题 问答题

给你一把直尺,一只弹簧测力计和一块秒表,你能用这些测量工具,或单独使用,或组合起来使用,直接或间接测量出哪些物理量(要求至少说出7个被测出的物理量).

(1)______;(2)______;(3)______;(4)______;(5)______;(6)______;(7)______.

答案

因为直尺可以测量物体的长度,对于规则物体,测出它的长宽高还可以计算出体积,弹簧测力计可以测出物体的重力,用重力除以g可以求出物体的质量,秒表可以测出物体的运动时间,利用速度公式,可以求出物体通过一段距离的速度;

故答案为:长度,时间,重力,质量,密度,速度,体积.

完形填空
请仔细阅读题中的各自要求,从A到F的六个选项中,选出符合要求的最佳选项,其中一项为多余选项
When you meet difficulties or things that don’t go your way, are you getting even more upset? Getting angry doesn’t solve(解决) anything. Can you bring your positive attitude(积极态度) when you need it the most?
Here are Ways to Bring Your Positive Attitude When You Need it the Most:
小题1:This may be old, but that’s because it is true. Your happiness is up to you. Many people forget this. Truly successful people choose happiness no matter what their situations(境遇) are.
小题2:Smiling is one of those universal things that all of us have. Doubt this! Smile at a baby. They smile back. Smile at a stranger in the street. They will smile back.
小题3:You do the same things every day. You do the same work. You eat the same foods. You wear the same clothes. Shake things up by doing something new. Try a new approach. Take a new path. Even talk to someone new. All of these can pump up your attitude.
小题4:Anger doesn’t help in 99% of situations. In fact, it usually makes things worse. It clouds your judgment(干扰判断). It stresses others. Learn to control your temper. Being calm under stress is a powerful skill.
小题5:No one is successful all of the time. Learn from the times that you lose. What can you learn from your missteps? All great champions(冠军) were once losers at some point. But they learned. And they kept a positive attitude until they got better.
A. Learn from Losing.
B. Do Something New.
C. Choose to Be Happy.
D. Let Anger Go.
E. Smile.
F. Say “Yes, Let’s!”
单项选择题