use vba in excel to append data in access

[sakijung]

I rarely study about vba course. But my job is about vba in excel.
I would like a code from VB to append the data from excel2000 file int
access2000. The excel file name is grade.xls and the other i
grade.mdb with password protect is "1234". Please help me AND I a
pleased with every answers. Note: 0.5,1,2.5 are the credit and 0-6 i
grade system.
ID EN101 AR101 MA101
0.5 1 2.5
1 1234 1 1 0
2 1258 2 0 5
3 1266 1 2 1
4 1267 1 1 6

File grade by ACCESS 2000
No ID CODE CREDIT GRADE
1 1234 EN101 0.5 1
2 1234 AR101 1 1
3 1234 MA101 2.5 0
4 1258 EN101 0.5 2
no-autonumber
id-text
code-text
credit-number
grade-number
Thank you