css计数器设置标签的多级列表既可以使用counter方法又可以使用counters函数。
查看答案
程序的三要素是事件、属性及其方法。
A. 对
B. 错
补全代码实现多级列表形式，将代码以"姓名+标签多级列表化.html“上传。程序如下：社会主义核心价值观
国家层面
富强
民主
文明
和谐
社会层面
自由
平等
公正
法治
个人层面
爱国
敬业
诚信
友善
Short conversation 1[音频]
A. Ted will drop out of school.
B. Ted is very interested in computer class.
C. Ted will establish hos own computer company.
D. Ted is not capable of setting up his computer company.
Short conversation 2[音频]
A. He is worried about the wastewater recycling.
B. He is worried about the price of the tiny engines.
C. He is worried about people in areas lacking water.
D. He is worried about the pollutants in wastewater.
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