网站制作与维护

1-5   D	 A	C	D	B	

6-10  C	 A	D	D	C	

11-15 B	 D	B	B	C	

16-20 B	 A	C	A	A

21-25 A	 B	C	D	A

26-30 B	 A	C	A	B

31-35 A	 B	D	A	D	

36-40 D	 D	D	A	A	

41-45 C	 B	A	A	BC	

46-50 ABC	AD	AC	D	D

