I became lame（瘸的）in both legs in my childhood. I can't stand1 the support of two sticks. Only in my wheelchair can I “2”.

    I still remembered the first day at 3 .When I appeared at the door,4 in the classroom stared（凝视）at me in 5 .My face turned6 .I couldn't help7back.It was the8and sympathy（同情）in their eyes that9me doing so.I went shyly towards an unoccupied（空的）seat.

    Being lame,I didn't dare（敢）to10in front of my classmates.I was afraid that I might be  11at.In those days I was very sad to see others walking12.

    One day, a few students came up to me and asked me to go outside.I was really13They encouraged me with a(n)14 smile and15 me in my wheelchair from place to place.I was16 to them for giving me a chance to see the 17of our lovely school with my own eyes.

    After that we often read,played and talked together.My friends are always18to help me.It made me19I am handicapped（残疾的）.

    Once they asked me, “What is the most beautiful thing in our school?”Without hesitation（犹豫）I said,“It is the20.”

滥用抗生素易导致某些细菌抗药性增强，对人类的健康造成潜在威胁，某同学利用达尔文进化论的观点，对细菌抗药性增强的原因的解释如下：

（1）抗药性是细菌的一种性状，这种性状由细菌体内的____ 决定；

（2）根据如图解释可知，细菌抗药性增强是____ 的结果。

    Early this morning we all went to the Future Hall to have our graduation ceremony. The headmaster made a wonderful speech, and many of us ____ (move) to tears.

    Now the ceremony is over. We will leave school soon. I feel very excited because I am one of the best ____ (graduate). At the same time, I am a little sad because I have to say goodbye to my classmates and teachers. I want ____ (take) some photos with them and I will give some gifts to my teachers as well. In the past three years, I ____ (have) a great time in Red Star International School. I have learnt not only how to study, but also how to be a man. In ____ future, I will work much ____ (hard). I hope I can be an astronaut when I ____ (grow) up.

    Maria, Jane and Michael ____(go) back to their hometowns tomorrow and I will see them off at the airport. We will keep in touch ____ each other by sending emails, making telephone calls or writing letters. We will be good friends forever. I wish my classmates and teachers health, ____（happy） and good luck.