CAD打印主要分为模型空间打印和布局空间打印，布局空间更为灵活，可以进行调整、排版。
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New year is a good opportunity for families and friends to ____together.
In the end, he realized the ____of foreign languages.
Time is ____by hour, minute and second.
The good news got_____from the audience.
A. Cheer
B. Cheers
C. common
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