使用getDuration()方法可以获取MediaPlayer中载入音频文件的时长。
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实现补间动画时,只需要定义动画开始和结束的关键帧,其他过渡由系统自动计算补齐。
A. 对
B. 错
Complete the summary with information from the passage. Use no more than one word or number for each blank.As a judge on the Singapore Supreme Court, it is Judith Prakash’s responsibility to make 1.decisions. Much of her job requires 2.to people who disagree with each other. Their 3.argue about the facts of each case, and Judith must decide who is telling the 4..For many years, there were no female judges on the Supreme Court, but now, Judith serves as a role 5.to the women on the lower courts.
1. Whom does the man want to talk to?_______________________________________2. When does the conversation most likely take place?_______________________________________3. What does the receptionist offer to do?_______________________________________
据文献记载,春秋时( )最早修筑长城百里,称“方城”。
A. 秦国
B. 楚国
C. 燕国
D. 魏国