???

????
a. ?? ???????????????????????????
b. ? ????????????????
c. ?????????L????
?????????????????????3-15?????????????
?????
1.?????????????????
2.????1?????????????????????????????M??????????
3.????1??????????????
1???????????????????????????????????????????????????????????...

????????????????//???????
1.?????? 2.?? 3.?? 4.
??X?????
???
????
??? ??
??????
???X???!
???,?????,??,??
????
???
????????
,?X???

???



??

??
???
????????????????

??????????????????

??
?
?
??
?
????

?????
?
???
?
????
?????




?
?

??
???????
??
???
???


????????????????????????????????

?????????3-15????????????????????????????

??:???????x???
???:
1???
??:
a)?????????????????????X????????;
b)????
2????
??:
a)????????X?????????????;
b)???
????
3????
??:
a)?;
b)????
?????

??????,??????????48???????????0.1%??????????????????????????????
????????????????????

???: http:...

??? ???????x??? ???: 1 ??: a) ?????????????????????X????????; b) ???? 2? ??: a) ????????X?????????????; b) ??? ???? 3? ??? a) ?? b) ???? ????? ??? 1?}?????? 2??? 3?????? 4?? 5????? 6?????????? 7?????? 8??? 9?????????????? 10???? 11?????? 12??????????????
??   2010-08-14...