初二地理http://www.baidu.com/s?wd=%B3%F5%B6%FE%B5%D8%C0%ED%CA%D4%CC%E2&lm=0&si=&rn=10&ie=gb2312&ct=0&cl=3&f=1&rsp=5初二生物http://www.baidu.com/s?wd=%B3%F5%B6%FE%C9%FA%CE%EF%CA%D4%CC%E2&lm=0&si=&rn=10&ie=gb2312&ct=0&cl=3&f=1&rsp=8