为了及时显示实时性很强的内容,在网站开发时应首先考虑()。
A.动态页面生成技术
B.静态页面生成技术
C.链接页面生成技术
D.导航页面生成技术
参考答案:A
常用的抗氧剂不包括
A.亚硫酸氢钠
B.亚硫酸钠
C.硫酸钠
D.焦亚硫酸钠
E.硫代硫酸钠
We were sad to learn that several students were ____ by a car yesterday.
[ ]
A. hit out
B. knocked over
C. run across
D. picked up