问题 解答题

小华从家里到学校的路是一段平路和一段下坡路,假设他始终保持平路每分钟走60米,下坡路每分钟走80米 ,上坡路每分钟走40米,从家里到学校需10分钟,从学校到家里需15分钟,请问小华家离学校多远?

答案

解:设平路有x米,坡路有y米,依题意得,

,解这个方程组,得

∴x+y=700,

答:小华家离学校700米。

选择题
完形填空

Do you know that over ten million American kids go to camp every summer?  小题1:Back then, before the air conditioner was invented, hot city summers were uncomfortable and even unhealthy for children, so escaping to the country for a few weeks became a popular trend.

Today, kids have different reasons for making camp a part of their lives, such as:

To meet new people

Camp might give you a chance to be with people from different states, or even different countries. It’s a great way to make new friends and learn about different places and cultures. Michiko, 13, put it like this:“I loved camp. I met this girl name Manny who lives in New York (I live in New Jersey) and she is cool.  小题2: We taught each other words. We liked to swim in the pool a lot.”

To challenge yourself

 小题3: Fresh challenges — like trying new sports, learning new crafts and games, or pushing yourself to achieve something — can be very rewarding. Take it from Arabella, 13, who told us: “ I went to summer camp and I passed my swimming test! I can hardly swim, so it was a big accomplishment (成就).  小题4: 

To appreciate nature

There’s a great big natural world out there, and going to camp helps you learn how beautiful and important it really is.  小题5: Getting out into the woods or mountains can give you a better understanding of how the web of life works.

A.Not all the things that kids do at camp are easy.

B.She speaks Spanish and I speak Japanese.

C.I felt great afterwards.

D.It’s also a great way to learn about teamwork and tolerance(包容).E. Summer camp has been a U.S. tradition for over 150 years.

F. When you get right down to it, going to camp is all about having a good time.

G. Without trees, soil, water, and wildlife, the Earth couldn’t survive.