Ⅰ、1-5 BBCDD
6-10 DDBDC
11-15 CCCBB
16-20 BDCAA
Ⅱ、21-25 ABCAC
26-30 BDDAC
Ⅲ、 31-34 ABDD
35-38 CADD
39-42 BACA
43、An actor
44、 joined in/ took (an active) part in/ was very active m many activities
45、a simple man
46、by himself
47、(was)surprised
48、Both teachers.
49、They completed loo different outdoor activities in one year.
50、 One year ago.
Ⅳ、 51-55 BDCGA
Ⅴ、 56、citizen
57、invented
58、control
59、rubbish
60、fewer
Ⅵ、略