题目内容
构建人类命运共同体，是一个（）的思想体系。
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口腔黏膜颜色的临床意义与眼结膜相同。
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Suppose that Mexico and Canada form a free-trade area. Mexicans then decrease auto manufacturing and increase imports of autos from Canada, while the Canadians decrease computer production and import more computers from Mexico. This is an example of:
If a customs union includes the low-cost supplier of the world, there would be no adverse trade-diversion effect that would counteract the positive trade-creation effect.
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