皮皮学，免费搜题
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【简答题】
最早的具有比较完整体系的教育学著作是捷克教育家 夸美纽斯 在 1632 年写成的 。
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皮皮学刷刷变学霸
举一反三
【简答题】How do you handle the preprinted invitations?
【单选题】Preprinted leaflets and brochure can be inserted into the newspaper or magazine supple-ments．They are charged per thousand copies against the total quantity distributed．
A.
The inserted leaflets and brochure will be found in the magazine．
B.
Leaflets and brochure are charged on the basis of the quantity．
C.
The inserted leaflets and brochure are charged according to the price of the newspaper．