视口相当于一个图形对象，可以复制、移动、改变大小、删除等。
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在图纸空间只能输入文字，不能绘制图形。
A. 对
B. 错
The following is the Spring Festival activities except
A. sweep the dust
B. have jiaozi
C. stay up late on the Eve
D. dragon boat race
Why do people celebrate Spring Festival nowadays?
A. To have delicious food
B. To wear new clothes
C. To welcome coming of spring
D. To stay at home
What color do Chinese people like in Spring Festival?
A. blue
B. green
C. red
D. pink
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