问题
单项选择题
在Windows中，可以直接在创作应用程序中将文件打印到PDFWriter打印机上创建PDF文件。PDF对文件中的高分辩率彩色或灰度图像进行缩减像素采样的默认分辩率是？（）
A.72dpi
B.96dpi
C.144dpi
D.192dpi
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
在Windows中，可以直接在创作应用程序中将文件打印到PDFWriter打印机上创建PDF文件。PDF对文件中的高分辩率彩色或灰度图像进行缩减像素采样的默认分辩率是？（）
A.72dpi
B.96dpi
C.144dpi
D.192dpi
参考答案：B
Our school has a big library. We often go there. Today is Sunday. Lily and I are in the library. In the library there are some signs on the wall. The signs mean (意思是) different (不同的) things. We know them. Don’t shout in the reading room. Don’t drink or eat here. Don’t litter (乱扔东西) in the library. I see a man smoking in the reading room. I go to him and say, “Sir, you can’t smoke here. Look at the sign. It says ‘No smoking’.You can smoke in the smoking room.” The man says sorry. 小题1:Which sign means “Don’t litter”?
A B C D 小题2:What are there on the wall of the library?
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