假如你是李伟，今年寒假要去参加由全椒共青团组织的赴澳大利亚“绿色之旅”冬令营(winter camp)活动。请你根据以下提示，写一篇在开营式上的自我介绍，首句和结尾已经给出。(60字左右)

I am very glad to introduce myself to all of you.

______________________________________________________________　　 Thank you!

Mary: So, Tom, what do you do on weekends?　　　　　　　　　　

Tom: ____76____

Mary: Really? _____77_____

Tom: Hmm. _____78____

Mary: Wow, you’re a really good player!

Tom: Oh, no, I’m not. I don’t play those sports. __79__

Mary: ___ 80___. You should take more exercise and keep healthy.

A.　　 I’m sorry to hear that.

B.　　　 I love sports.

C.　　　 I just watch them on TV.

D.　　 What sports do you like?

E.　　　 Basketball, baseball and skateboarding

　are my favorites.

There were_46_classes this afternoon,we_47__a party for_48_Day.At about two o'clock in the afternoon, the party began. Two Young Pioneers hosted the party. They talked__49_the school life of the Young Pioneers. The students' parents also_50_. They told us to study harder. Then they__51_us a lot of gifts.__52___,the teachers, students and parents sat around a table with

　a__53_, some oranges on it. We sang and danced.__54had a good time.__55_interesting the party was!

46.(　　 )A.not some　 　　　　 B.no 　　　　 C.not a　　 　　 D.not

47.(　　 )A.took　　 　　　　　　　　　 B.gave　　 　 C.had　 D.liked

48.(　　 )A.the Children's 　　 B.the Childrens'　　　　　　

C.Children's　 　　　　　　　 D.the Children

49.(　　 )A.on　　　　　　 　　　 B.about　　 　　　　　 C.with　 　　　 D.to

50.(　　 )A.said　　　 　　　　 B.talked　 　　　　　　 C.told　 　　　　 D.spoke

51.(　　 )A.passed　 　　　　　　　　　 B.gave　 　　　　　　 C.made　 　　 D.kept

52.(　　 )A.Last　　 　　　　　　　　　 B.At last　 　　　　　 C.First　 　　　 D.At first

53.(　　 )A.apple　　 　　　　　 B.egg　　 　　　　　 C.cake　　 　 D.fish

54.(　　 )A.Every one　　 　 B.All us　 　　　　　 C.All of we　　 　 D.Everyone

55.(　　 )A.How　　　　　 　　　 B.What an　　 　　　 C.How an　 　　　　 D.What

45.(　　 )A:Could you please help me clean the living-room?　 B:____,mum.

A.Certainly　 B.Sure　 C.Yes　　 D.All above are right

44.(　　 )A:what_____you___be when you left school?

A.is; going to　 B.did;want to　 C.does;want　 D.was;want to

43.(　　 )After I finished_ __my homework, I helped my mother___the housework.

A.do;doing　　　　　　　　 B.doing;do　　　　　 C.to ;do　　　　　 D.do;to do