试题与答案

煤被氧化后，无论是（）性质还是（）性质都会发生变化，且氧化愈烈，变化也愈大。

来源：www.tikuol.com
题型：填空题

题目：

煤被氧化后，无论是（）性质还是（）性质都会发生变化，且氧化愈烈，变化也愈大。

答案：

参考答案：物理； 化学

考点：化学工程煤化验煤化验题库
试题推荐
题型：完形填空
阅读下面的短文，根据短文内容为每段文字选出标题。
             1   
Don’t fight with your classmates. Every one in the class needs help and friendship. Remember your classmates are the best ones to help you in school.
          F  
In school, don’t feel something difficult or boring. You should join in all kinds of activities. You should be interested in all subjects.
   2  
Don’t make any excuse if you do not do today’s work and leave it tomorrow. If the class is held up(耽误), it’s difficult to catch up with others.
            3 
Eating good meals is important, or you will think about food in class. Go to bed on time and keep having enough sleep. Do more sports to keep your body strong.
           4   
If you get bad marks in your tests, you can feel unhappy. It doesn’t matter, in fact. A person can’t be always successful. Sometimes he also has unpleasant things.
     5  
You should not play computers too much on weekends. You should go out for a walk and do your homework every day.
阅读短文内容，依照示例F将A－E分别填入文中空缺处，使标题与内容相匹配。
Do Today’s Work Today.
Keep Hopeful.
Keep Healthy.
Plan Your Time.
Protect Your Friendship.
Be Positive about School.
查看答案
微信公众账号搜索答案