增殖图形的构图形式有哪几种()
A.重复增殖构形
B.动态连接构形
C.渐变增殖构形
D.静态连接构形
E.叠加增殖构形
参考答案:A, B
维生素A缺乏病中眼部损害的症状包括以下内容,除外()
A.双眼暗适应能力差,出现夜盲症
B.角膜失去光泽,视力下降
C.巩膜出现毕脱斑
D.是最早出现的症状
E.严重时可出现角膜溃疡、穿孔,导致失明
The (72) is a system for linking hypertext documents Originally, each document was a page written in (73) with hyperlinks to other documents.Nowadays,XML is gradually starting to take over from (73) .
A.Web
B.E-mail
C.DNS
D.FTP