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。
Do you know that over ten million American kids go to camp every summer ?____ Back then, hot city summers made people feel bad and even unhealthy for children, so escaping to the country for a few weeks became popular. Today, kids have different reasons for making camp a part of their lives.
To meet new people
Camp is 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 named Manny who lives in New York and she is cool.____We taught each other words.”
To challenge (挑战) yourself
____Activities like trying new sports, learning new games, or pushing yourself to achieve something need a lot of courage. Arabella, 13, told us, “I went to summer camp and I passed my swimming test! I can hardly swim, so it was a big progress.____”
To experience nature
There's a great big natural world out there, and going to camp helps you learn how beautiful and important it really is.____Getting out into the woods or mountains can give you a better understanding of the world.
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.
E. Summer camp has been a U.S. tradition for over 150 years.
F. Going to camp is all about having a good time.
G. Without trees, soil, water, and wildlife, the Earth couldn't survive.
NH4+ +OH-的平衡，如果使平衡向逆反应方向移动，同时使c(OH-）增大，应加入
