hq2006精讲班在线作业，点页面右上角的提交即可看到答案

案例
http://www.edu24ol.com/newexam/guestuser/Exercise.asp?lesson_id=601&classnum=1&relate=1
http://www.edu24ol.com/newexam/guestuser/Exercise.asp?lesson_id=601&classnum=1&relate=2
http://www.edu24ol.com/newexam/guestuser/Exercise.asp?lesson_id=601&classnum=1&relate=3
http://www.edu24ol.com/newexam/guestuser/Exercise.asp?lesson_id=601&classnum=1&relate=4
http://www.edu24ol.com/newexam/guestuser/Exercise.asp?lesson_id=601&classnum=1&relate=5
http://www.edu24ol.com/newexam/guestuser/Exercise.asp?lesson_id=601&classnum=1&relate=6
http://www.edu24ol.com/newexam/guestuser/Exercise.asp?lesson_id=601&classnum=1&relate=7
http://www.edu24ol.com/newexam/guestuser/Exercise.asp?lesson_id=601&classnum=1&relate=8
http://www.edu24ol.com/newexam/guestuser/Exercise.asp?lesson_id=601&classnum=1&relate=9
http://www.edu24ol.com/newexam/guestuser/Exercise.asp?lesson_id=601&classnum=1&relate=10
http://www.edu24ol.com/newexam/guestuser/Exercise.asp?lesson_id=601&classnum=1&relate=11
http://www.edu24ol.com/newexam/guestuser/Exercise.asp?lesson_id=601&classnum=1&relate=13
http://www.edu24ol.com/newexam/guestuser/Exercise.asp?lesson_id=601&classnum=1&relate=18
http://www.edu24ol.com/newexam/guestuser/Exercise.asp?lesson_id=601&classnum=1&relate=37
http://www.edu24ol.com/newexam/guestuser/Exercise.asp?lesson_id=601&classnum=1&relate=38
http://www.edu24ol.com/newexam/guestuser/Exercise.asp?lesson_id=601&classnum=1&relate=40
http://www.edu24ol.com/newexam/guestuser/Exercise.asp?lesson_id=601&classnum=1&relate=41
http://www.edu24ol.com/newexam/guestuser/Exercise.asp?lesson_id=601&classnum=1&relate=42
http://www.edu24ol.com/newexam/guestuser/Exercise.asp?lesson_id=601&classnum=1&relate=43
http://www.edu24ol.com/newexam/guestuser/Exercise.asp?lesson_id=601&classnum=1&relate=44