选择题:What‘s wrong with your coat?--Just now when I want

题目内容:
What‘s wrong with your coat?--Just now when I wanted to get off the bus, the man next to me ______ on it .(本题1.0分)
A、 sat
B、 had sat
C、 had been sitting
D、 was sitting
参考答案:

副640×480的JPEG数字图像,颜色深度是24位,文件大小是64KB,该数字图像的压缩比是()倍

副640×480的JPEG数字图像,颜色深度是24位,文件大小是64KB,该数字图像的压缩比是()倍。A、15B、14C、10D、20

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