听力原文:W: What did you say you were going to take up as a career?
M: Architecture.
W: What made you decide on that?
M: Well, I was good at maths and art at school and I think I had a certain feeling for design. My teachers said I had ability for architecture.
Which is not mentioned as factors that lead to the man's decision?
A.An attractive salary.
B.His proficiency in maths.
C.His teacher's opinion.
D.His feeling for design.
第1题
数字视频的数据量非常大,VCD使用MPEG-1对视频信息进行压缩编码后,每秒钟的数码率大约是______。
A.150kbps
B.64kbps
C.10Mbps
D.1.2Mbps
第2题
数字视频的数据量非常大,VCD使用MPEG-1对视频信息进行压缩编码后,每秒钟的数码率大约是()。
A.150kbps
B.64kbps
C.10Mbps
D.1.2Mbps
第4题
A.128Kbit/s
B.512Kbit/s
C.1.2Mbit/s
D.10Mbti/s
第6题
A.150kbps
B.64kbps
C.1.2Mbps
D.10Mbps,
第7题
A.MPEG-1
B.MPEG-2
C.MPEG-4
D.MPEG-7
第8题
A.MPEG-1
B.MPEG-2
C.MPEG-4
D.MPEG-7
第9题
A.MPEG-4
B.MPEG-2
C.MPEG-1
D.MPEG-7
第10题
A.VCD光盘上存储的视频信息采用的是MPEG-1压缩编码标准
B.DVD光盘上存储的视频信息采用的是MPEG-2压缩编码标准
C.JPEG2000是一种最新的数字视频压缩编码标准
D.AVI和MPG都是Windows中视频文件的扩展名
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