重复式（）构成是用相同的线材框架进行有秩序的排列。
A、软线立体
B、硬线立体
C、空间立体
D、三维立体
参考答案：B
It took me two weeks ____ reading the novels written by Guo Jingming. [ ]
A. finish
B. to finish
C. finishes
D. finishing
变动制造费用和固定制造费用均以生产预算为基础编制。 ( )
