问题
填空题
MPEG压缩标准包括MPEG______、MPEG音频和MPEG系统3个部分。
答案
参考答案:视频
解析: MPEG是ISO/IEC委员会的第11172号标准草案,包括MPEG视频、MPEG音频和MPEG系统3部分。
MPEG压缩标准包括MPEG______、MPEG音频和MPEG系统3个部分。
参考答案:视频
解析: MPEG是ISO/IEC委员会的第11172号标准草案,包括MPEG视频、MPEG音频和MPEG系统3部分。
补全对话 从方框中所给的选项中选择正确的句子补全以下对话。(10分) A: Morning! 小题1:_____________________ B: I’ve got a sore throat and a headache. A: Do you feel tired? B: Yes, my whole body feels weak. 小题2:_______________ A: I’m sorry to hear that, I’ll have to examine you. Open your mouth wide so that I can look at your throat. Yes. It’s very red. It looks sore. I’ll have to give you an injection. B: 小题3:___________________ A: An injection is better than pills. B: Are you sure? 小题4:____________ A: But you’d better have an injection first. It is more helpful. B: OK. 小题5:__________________ A: Probably, if you take a rest today. B: Good, I’ll sleep today so that I’ll be able to go out tomorrow.
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