问题 填空题

通常,人们把高度为______cm水银柱所产生的压强作为1个标准大气压,大气压的值跟海拔高度有关:拉萨市的海拔远高于龙海市的海拔,则两地地面附近的大气压强相比较,龙海市的较______;两地的市民在家里用敞口锅烧同样的水,水沸腾时的温度龙海市的较______.(填“低”或“高”)

答案

在物理学中,我们把76cm高的水银柱所产生的压强称为1个标准大气压;

因为大气压随高度的增加而减小,所以龙海市海拔低,气压高;再把气压计从高山带到低处,气压又会增大;因为水的沸点随气压的减小而降低,所以龙海市水的沸点高,拉萨市水的沸点低.

故答案为:76;高;高.

阅读理解

根据短文内容,从短文后的选项中选出能填入空白处的最佳选项,选项中有两项为多余选项。

The jobs of the future have not been invented, 小题1:By helping them develop classic skills that will serve them well no matter what the future holds. 

1. Curiosity 

Your children need to be deeply curious. 小题2:Ask kids, “What ingredients (配料) can we add to make these pancakes even better next time” and then try them out. Did those ingredients make the pancakes better? What could we try next time? 

2. Creativity 

True creativity is the ability to take something existing and create something new from it. 小题3:There are a dozen different things you can do with them. Experimenting with materials to create something new can go a long way in helping them develop their Creativity. 

3. Interpersonal Skills 

Understanding how others feel can be a challenge for kids. We know what is going on inside our own head, but what about others? Being able to read people helps kids from misreading a situation and jumping to false conclusions. 小题4:“Why do you think she is crying?” “Can you tell how that man is feeling by looking at his face?” “If someone were to do that to you, how would you feel?”

4. Self Expression 

小题5:There are many ways to express thoughts and ideas ¡ª music, acting, drawing, building, photography. You may find that your child is attracted by one more than another. 

A.Encourage kids to cook with you.

B.And we can’t forget science education.

C.We can give kids chances to think about materials in new ways.

D.So how can we help our kids prepare for jobs that don’t yet exist?E. Gardening is another great activity for helping kids develop this skill. 

F. We can do this in real life or ask questions about characters in stories. 

G. Being able to communicate ideas in a meaningful way is a valuable skill. 

问答题


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