【单选题】在HTML5中,运用( )元素可以为video元素或audio元素提供多个备用文件。
【判断题】在HTML5中,运用source元素可以为video元素或audio元素提供多个备用文件
【单选题】Being able to speak another language fluently is a great ______ when you're looking for a job.
【判断题】搜索人气高,在线商品数少的词是核心主词。
【简答题】图示作文的写作思路包括:描述漫画/图表,引出话题;表明观点,提供论据; 。
【判断题】搜索人气高,在线商品数少的词是核心主词。 ( )
【单选题】Being able to speak another language fluently is a great ________ when your’re looking for a job.
【简答题】Do you want to write better emails in English? I can help you express yourself better. F ollow me now. F irst, send and receive emails. You can send an email to one or more people. It is important to ...
【单选题】Do you want to write better emails in English? I can help you express yourself better. F ollow me now. F irst, send and receive emails. You can send an email to one or more people. It is important to ...