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Ⅰ．(Ⅰ)12345ADBBA
(Ⅱ)．678910ACCBC
(Ⅲ)．1112131415BCBCA
(Ⅳ)
1617181920DABEC
Ⅱ．212223242526272829303132333435BADBABCCAABCCBC
Ⅲ．36373839404142434445CACADBDCBD
Ⅳ．464748495051525354555657585960ACBDBFTFTFDFAEC
Ⅴ．6162636465CEDGB
Ⅵ． 66． Nancy, Jack
67． preparing for
68． relax
69． after
70． stay，week
Ⅶ． How to keep healthy
Nowadays students' physical fitness is declining（体质下降）year by year.I think there are some reasons. Students have too much homework to do, so they have little time to have sports. Some students eat too much junk food. That's also bad for their health.
Then. ho  | 