答案：
1-5.DDBDB 6-10.DBBCB
11-15.BCADC 16-20.CADDA
21-25.DDBCA 26-30.CBCDA
31-35.BBCAD 36-40.ABACC
41-45.ADADA 46-50.CCBBC
51-55.ABCAA
[高分范文]
Dear Mr.Stevenson,
We are very glad to hear that you-the Britain Children Chior will visit our school.Welcome!I,representing our school,will receive you.I am pleased to tell you the trip plan.
I will pick you up at the airport on July 23rd,and then take you to live in the Xin Hua Hotel,where you can have a good rest.On the morning of 24th,we will visit our school and have a great dinner.Our headmaster will make a speech.At 7:00 p.m. we will watch a performance.The next day,we will visit the Tian’anmen Square,the Palace Museum and the National Museum.On 26th ,I will see you off.
I hope you can have a good time.Best wishes to you.
