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问题
填空题
教科书的编排方式主要有两种,通常采用的方式有_____和_____。
答案
参考答案:
直线,螺旋
选择题
The whole city looks like a big construction site. Many new factories ______.
A. have been built
B. are being built
C. are going to be built
D. are building
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问答题 简答题
市场机制能够解决信息不完全和不对称问题吗?
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