阅读下面短文，从每题所给的A、B、C、D四个选项中，选出能正确回答所提问题或完成所给句子的最佳答案。

     Sixteen years ago, a boy gave me an important gift. It was a smile.

      It was the early autumn of my first year at a middle school, and my old school was far away. As a result, no one knew who I was. I was very lonely, and afraid to make friends with anyone.

     Every time I heard the other students talking and laughing, I felt my heart break. I couldn't talk with anyone about my problems.

Then one day, my classmates were talking happily with their friends, but I was sitting at my desk unhappily as usual.  At that moment, a boy entered the classroom. I didn't know who he was. He passed me and then turned back. He looked at me, with a smile.

    Suddenly, I felt the touch of something bright and friendly. It made me feel happy and warm. That smile changed my life. I started to talk with other students and made friends. Day by day, I became closer to everyone in my class. The boy with the lucky smile has become my best friend now.

    One day I asked him why he had smiled, but he couldn't remember doing so!

     It doesn't matter because all the dark days have gone. I believe that the world is what you think it is. If you think it is lonely, you might always be alone. So smile at the world and it will smile back.

A

    Bob is my cousin．He is only five years old．He likes eating meat(肉)very much．He always has meat for lunch and dinner．He doesn't like vegetables or fruit. So he is a little fat．My aunt worries(担忧)about him and doesn't want him to have so much meat．

    It's Sunday．Bob and my aunt go to the zoo to see animals．They see tigers and bears．Bob likes them very much．Then it's time for lunch．The keepers(饲养员)bring some meat for the tigers and bears． 

    "Mum, do tigers and bears have meat every day?"Bob asks．

    "Yes，they do，"my aunt says．"It's time to have lunch．Let's eat out. What do you want for lunch?"

    "Meat．"

    "Oh, Bob．You're a little fat．Eating much meat is not good for you."

    "No, Mom．Tigers and bears eat meat every day，and they're very strong-I want to be strong，too．"

    Mr. Brown is a teacher. He is from New York, America. He would like to work in China because he likes our country. He thinks Chinese people are very friendly and he likes to live in China. He is happy to work in our school. He likes the school life here. He teaches English. There are 50 students in his class. Mr. Brown is kind. He and his students are good friends, too.

    Now some of Mr. Brown's students are playing sports on the playground(操场). Bill and Mike aye playing tennis. Tom and John are playing ping-pong. The other students are playing basketball. Mr. Brown is happy to play basketball with them. They really have a good time.

    Do you like to know how other people see the world? Listed below are of the best books for kids.

    One day a man found a cocoon (茧) of a butterfly in the forest. He sat there for several hours and watched the butterfly. Suddenly a small opening appeared, and the butterfly made its great effort to force its body through that little hole. Then it seemed to stop making any progress. It appeared as if it had gotten as far as it could and it could go no further.

    So the man decided to help the butterfly. He cut off the remaining bit of the cocoon so that the butterfly could come out easily. But to his surprise, the butterfly got a heavy body and very small wings when it came out of the cocoon.

    The man continued to watch the butterfly because he expected that the body would grow smaller at any moment and the wings would become larger and be able to fly. But neither happened! In fact, the butterfly spent the rest of its life crawling (爬) around with a heavy body and small wings. It was never able to fly.

    The man was in his kindness, but he did not understand the nature rules. Before the butterfly came out of the cocoon, fluid (流体) from its body must be forced into its wings, and then it would be ready for flying. It must have a hard struggle (拼搏) to get through the small opening to get its freedom from the cocoon.

    Sometimes struggles are exactly what we need in our life. If God allowed us to go through our life without any difficulties, it would make us fail. We would not be as strong as we could have been; we could never fly.

    One day, a mouse saw a mousetrap(老鼠夹)in the farmer's house. He said to his friends on the farm, "There is a mousetrap in the house!"

    The chicken said," There is no need for me to worry about it."

    The pig said," It has nothing to do with me!"

    The cow said, "It sounds like you have a problem."

    The mouse was sad, because no one cared about his problem or would help him.

    One night, a snake bit(咬)the farmer's wife. Soon the wife caught a fever. The farmer decided to kill the chicken and made chicken soup for his wife.

    Later, the wife got sicker and her friends came to visit her. The farmer killed the pig to feed them.

    In the end, the farmer's wife died. Many people came to her funeral (葬礼), so the farmer killed the cow to feed all of them.

    Let's remember that when any one is in trouble, we are all at risk(有危险).