问题
单项选择题
下列关于印刷图象说法不正确的是（）大
A.印刷图象从远处看是连续的，因此它是一种连续调的图象
B.印刷表现连续调图象的最小单元是网点
C.印刷图象所表现的色彩范围要比电脑显示屏所能显示的色彩范围要小
D.如果印刷压力加大时，会使印刷图象的网点扩大率加
答案
参考答案：A
搜题请搜索小程序“爱下问搜题”
下列关于印刷图象说法不正确的是（）大
A.印刷图象从远处看是连续的，因此它是一种连续调的图象
B.印刷表现连续调图象的最小单元是网点
C.印刷图象所表现的色彩范围要比电脑显示屏所能显示的色彩范围要小
D.如果印刷压力加大时，会使印刷图象的网点扩大率加
参考答案：A
| 根据对话内容，用方框中所给词的适当形式填空。(其中有一词多余) | |
winter holidays? A racing bike? A car? No, it's a special 1 of shoe called Heelys (暴走鞋). Heelys look just like common 2 shoes, but they have a wheel hidden in the heel (鞋跟). So instead of 3 , kids can "fly" around in them. "Wearing Heelys is fun and cool," said Wu Peng, a boy who wore them on his 4 day back at No. 6 Middle School in Beijing. Wu Peng said he loves the shoes so much that he wears them wherever he goes. Sometimes he even 5 his parents' car to the supermarket on his Heelys! Other students think these are very cool, but some haven't been so lucky with their Heelys. It's reported that some 6 have fallen down while using these shoes, and some have been hurt. "Heelys wheels are on the heels of the shoes, so it's easy to fall," said Liu Rui, a doctor at the Hong Kong International Medical Clinic, Beijing. Even 7 , Liu said, "Wearing Heelys for a long time could stop young people from developing their ankles (脚踝) and legs." |